Convert line endings to LF

Added .gitattributes file to prevent CRLF from being committed in the
future.

Fixes #145

.gitattributes

@@ -0,0 +1,8 @@
+* text=auto
+
+*.js text
+*.md text
+*.yml text
+*.txt text
+
+*.png binary

user.js

@@ -1,1887 +1,1887 @@
-/******
-* name: ghacks user.js
-* date: 14 June 2017
-* version 54: Pantsthumping
-*   "I get pulled down, but I get up again, you're never gonna keep me down"
-* authors: v52+ github | v51- www.ghacks.net
-* url: https://github.com/ghacksuserjs/ghacks-user.js
-
-* releases: These are end-of-stable-life-cycle legacy archives.
-            *Always* use the master branch user.js for a current up-to-date version.
-       url: https://github.com/ghacksuserjs/ghacks-user.js/releases
-
-* README:
-
-  1. READ the full README
-     * https://github.com/ghacksuserjs/ghacks-user.js/blob/master/README.md
-  2. READ this
-     * https://github.com/ghacksuserjs/ghacks-user.js/wiki/1.3-Implementation
-  3. If you skipped steps 1 and 2 above (shame on you), then here is the absolute minimum
-     * Auto-installing updates for Firefox and extensions/addon-ons are disabled (section 0302's)
-     * Some user data is erased (section 2800), namely history (browsing, form, download)
-     * Site breakage WILL happen
-         - There are often trade-offs and conflicts between Security vs Privacy vs Anti-Fingerprinting
-           and these need to be balanced against Functionality & Convenience & Breakage
-     * You will need to make a few changes to suit your own needs
-         - Search this file for the "[SETUP]" tag to find SOME common items you could check
-           before using to avoid unexpected surprises
-         - Search this file for the "[WARNING]" tag to troubleshoot or prevent SOME common issues
-  4. BACKUP BACKUP BACKUP your profile folder before implementing (and/or test in a new profile)
-  5. Did you do a BACKUP?
-
- ******/
-
-/* START: internal custom pref to test for syntax errors (thanks earthling)
- * Yes, this next pref setting is redundant, but we like it!
- * [1] https://en.wikipedia.org/wiki/Dead_parrot
- * [2] https://en.wikipedia.org/wiki/Warrant_canary ***/
-user_pref("ghacks_user.js.parrot", "Oh yes, the Norwegian Blue... what's wrong with it?");
-
-/* 0001: start Firefox in PB (Private Browsing) mode
- * [SETTING] Options>Privacy>History>Custom Settings>Always use private browsing mode
- * [NOTE] In this mode *all* windows are "private windows" and the PB mode icon is not displayed
- * [NOTE] The P in PB mode is misleading: it means no "persistent" local storage of history,
- * caches, searches or cookies (which you can achieve in normal mode). In fact, it limits or
- * removes the ability to control these, and you need to quit Firefox to clear them. PB is best
- * used as a one off window (File>New Private Window) to provide a temporary self-contained
- * new instance. Closing all Private Windows clears all traces. Repeat as required.
- * [1] https://wiki.mozilla.org/Private_Browsing ***/
-   // user_pref("browser.privatebrowsing.autostart", true);
-
-/*** 0100: STARTUP ***/
-user_pref("ghacks_user.js.parrot", "0100 syntax error: the parrot's dead!");
-/* 0101: disable "slow startup" options
- * warnings, disk history, welcomes, intros, EULA, default browser check ***/
-user_pref("browser.slowStartup.notificationDisabled", true);
-user_pref("browser.slowStartup.maxSamples", 0);
-user_pref("browser.slowStartup.samples", 0);
-user_pref("browser.rights.3.shown", true);
-user_pref("browser.startup.homepage_override.mstone", "ignore");
-user_pref("startup.homepage_welcome_url", "");
-user_pref("startup.homepage_welcome_url.additional", "");
-user_pref("startup.homepage_override_url", ""); // what's new page after updates
-user_pref("browser.laterrun.enabled", false);
-user_pref("browser.shell.checkDefaultBrowser", false);
-/* 0102: set start page (0=blank, 1=home, 2=last visited page, 3=resume previous session)
- * home = browser.startup.homepage preference.
- * [SETTING] Options>General>Startup>When Firefox starts ***/
-   // user_pref("browser.startup.page", 0);
-
-/*** 0200: GEOLOCATION ***/
-user_pref("ghacks_user.js.parrot", "0200 syntax error: the parrot's definitely deceased!");
-/* 0201: disable location-aware browsing, but enforce Mozilla's service over Google's ***/
-user_pref("geo.enabled", false);
-user_pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
-user_pref("geo.wifi.xhr.timeout", 1); // reset this if you use geolocation
-user_pref("geo.wifi.logging.enabled", false); // (hidden pref)
-user_pref("browser.search.geoip.url", "");
-user_pref("browser.search.geoip.timeout", 1);
-/* 0202: disable GeoIP-based search results
- * [NOTE] May not be hidden if Firefox has changed your settings due to your locale
- * [1] https://trac.torproject.org/projects/tor/ticket/16254 ***/
-user_pref("browser.search.countryCode", "US"); // (hidden pref)
-user_pref("browser.search.region", "US"); // (hidden pref)
-/* 0203: disable using OS locale, force APP locale ***/
-user_pref("intl.locale.matchOS", false);
-/* 0204: set APP locale ***/
-user_pref("general.useragent.locale", "en-US");
-/* 0206: disable geographically specific results/search engines eg: "browser.search.*.US"
- * i.e ignore all of Mozilla's various search engines in multiple locales ***/
-user_pref("browser.search.geoSpecificDefaults", false);
-user_pref("browser.search.geoSpecificDefaults.url", "");
-/* 0207: set language to match ***/
-user_pref("intl.accept_languages", "en-US, en");
-/* 0208: enforce US English locale regardless of the system locale
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=867501 ***/
-user_pref("javascript.use_us_english_locale", true); // (hidden pref)
-/* 0209: disable geolocation on non-secure origins (FF55+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1072859
- * [2] https://www.ghacks.net/2017/03/14/firefox-55-geolocation-requires-secure-origin/ ***/
-user_pref("geo.security.allowinsecure", false);
-
-/*** 0300: QUIET FOX
-     We choose to not disable auto-CHECKs (0301's) but to disable auto-INSTALLs (0302's).
-     There are many legitimate reasons to turn off auto-INSTALLS, including hijacked or
-     monetized extensions, time constraints, legacy issues, and fear of breakage/bugs.
-     It is still important to do updates for security reasons, please do so manually. ***/
-user_pref("ghacks_user.js.parrot", "0300 syntax error: the parrot's not pinin' for the fjords!");
-/* 0301a: disable auto-update checks for Firefox
- * [NOTE} Firefox currently checks every 12 hrs and allows 8 day notification dismissal
- * [SETTING] Options>Advanced>Update>Never check for updates ***/
-   // user_pref("app.update.enabled", false);
-/* 0301b: disable auto-update checks for add-ons ***/
-   // user_pref("extensions.update.enabled", false);
-/* 0302a: disable auto update installing for Firefox (after the check in 0301a)
- * [SETTING] Options>Advanced>Update>Check for updates but let you choose whether to install them
- * [NOTE] The UI checkbox also controls the behavior for checking, the pref only controls auto installing ***/
-user_pref("app.update.auto", false);
-/* 0302b: disable auto update installing for add-ons (after the check in 0301b)
- * [SETTING] about:addons>Extensions>Settings[gear-icon]>Update Addons Automatically (toggle) ***/
-user_pref("extensions.update.autoUpdateDefault", false);
-/* 0303: disable background update service [WINDOWS]
- * [SETTING] Options>Advanced>Update>Use a background service to install updates ***/
-user_pref("app.update.service.enabled", false);
-/* 0304: disable background update staging ***/
-user_pref("app.update.staging.enabled", false);
-/* 0305: enforce update information is displayed
- * This is the update available, downloaded, error and success information ***/
-user_pref("app.update.silent", false);
-/* 0306: disable add-on metadata updating
- * sends daily pings to Mozilla about extensions and recent startups ***/
-user_pref("extensions.getAddons.cache.enabled", false);
-/* 0307: disable auto updating of personas (themes) ***/
-user_pref("lightweightThemes.update.enabled", false);
-/* 0308: disable search update
- * [SETTING] Options>Advanced>Update>Automatically update: Search Engines ***/
-user_pref("browser.search.update", false);
-/* 0309: disable sending Flash crash reports ***/
-user_pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false);
-/* 0310: disable sending the URL of the website where a plugin crashed ***/
-user_pref("dom.ipc.plugins.reportCrashURL", false);
-/* 0320: disable extension discovery
- * featured extensions for displaying in Get Add-ons panel ***/
-user_pref("extensions.webservice.discoverURL", "http://127.0.0.1");
-/* 0330: disable telemetry
- * the pref (.unified) affects the behaviour of the pref (.enabled)
- * IF unified=false then .enabled controls the telemetry module
- * IF unified=true then .enabled ONLY controls whether to record extended data
- * so make sure to have both set as false
- * [1] https://gecko.readthedocs.org/en/latest/toolkit/components/telemetry/telemetry/preferences.html ***/
-user_pref("toolkit.telemetry.unified", false);
-user_pref("toolkit.telemetry.enabled", false);
-/* 0331: remove url of server telemetry pings are sent to ***/
-user_pref("toolkit.telemetry.server", "");
-/* 0332: disable archiving pings locally - irrelevant if toolkit.telemetry.unified is false ***/
-user_pref("toolkit.telemetry.archive.enabled", false);
-/* 0333a: disable health report ***/
-user_pref("datareporting.healthreport.uploadEnabled", false);
-/* 0333b: disable about:healthreport page (which connects to Mozilla for locale/css+js+json)
- * If you have disabled health reports, then this about page is useless - disable it
- * If you want to see what health data is present, then this must be set at default ***/
-user_pref("datareporting.healthreport.about.reportUrl", "data:text/plain,");
-/* 0334: disable new data submission, master kill switch (FF41+)
- * If disabled, no policy is shown or upload takes place, ever
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1195552 ***/
-user_pref("datareporting.policy.dataSubmissionEnabled", false);
-/* 0335: remove telemetry clientID ***/
-user_pref("toolkit.telemetry.cachedClientID", "");
-/* 0336: disable "Heartbeat" (Mozilla user rating telemetry)
- * [1] https://trac.torproject.org/projects/tor/ticket/18738 ***/
-user_pref("browser.selfsupport.enabled", false); // (hidden pref)
-user_pref("browser.selfsupport.url", "");
-/* 0340: disable experiments
- * [1] https://wiki.mozilla.org/Telemetry/Experiments ***/
-user_pref("experiments.enabled", false);
-user_pref("experiments.manifest.uri", "");
-user_pref("experiments.supported", false);
-user_pref("experiments.activeExperiment", false);
-/* 0341: disable Mozilla permission to silently opt you into tests ***/
-user_pref("network.allow-experiments", false);
-/* 0350: disable crash reports ***/
-user_pref("breakpad.reportURL", "");
-/* 0351: disable sending of crash reports (FF44+) ***/
-user_pref("browser.tabs.crashReporting.sendReport", false);
-user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // (FF51+)
-user_pref("browser.crashReports.unsubmittedCheck.autoSubmit", false); // (FF51+)
-/* 0360: disable new tab tile ads & preload & marketing junk ***/
-user_pref("browser.newtab.preload", false);
-user_pref("browser.newtabpage.directory.ping", "data:text/plain,");
-user_pref("browser.newtabpage.directory.source", "data:text/plain,");
-user_pref("browser.newtabpage.enabled", false);
-user_pref("browser.newtabpage.enhanced", false);
-user_pref("browser.newtabpage.introShown", true);
-/* 0361: disable Activity Stream (system addon) (FF54+)
- * [1] https://wiki.mozilla.org/Firefox/Activity_Stream ***/
-user_pref("browser.newtabpage.activity-stream.enabled", false);
-/* 0370: disable "Snippets" (Mozilla content shown on about:home screen)
- * MUST use HTTPS - arbitrary content injected into this page via http opens up MiTM attacks
- * [1] https://wiki.mozilla.org/Firefox/Projects/Firefox_Start/Snippet_Service ***/
-user_pref("browser.aboutHomeSnippets.updateUrl", "https://127.0.0.1");
-/* 0373: disable "Pocket" (third party "save for later" service) & remove urls for good measure
- * [NOTE] Important: Remove the pocket icon from your toolbar first
- * [1] https://www.gnu.gl/blog/Posts/multiple-vulnerabilities-in-pocket/ ***/
-user_pref("extensions.pocket.enabled", false);
-user_pref("extensions.pocket.api", "");
-user_pref("extensions.pocket.site", "");
-user_pref("extensions.pocket.oAuthConsumerKey", "");
-/* 0374: disable "social" integration
- * [1] https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Social_API ***/
-user_pref("social.whitelist", "");
-user_pref("social.toast-notifications.enabled", false);
-user_pref("social.shareDirectory", "");
-user_pref("social.remote-install.enabled", false);
-user_pref("social.directories", "");
-user_pref("social.share.activationPanelEnabled", false);
-user_pref("social.enabled", false); // (hidden pref)
-/* 0376: disable FlyWeb, a set of APIs for advertising and discovering local-area web servers
- * [1] https://wiki.mozilla.org/FlyWeb
- * [2] http://www.ghacks.net/2016/07/26/firefox-flyweb/ ***/
-user_pref("dom.flyweb.enabled", false);
-
-/*** 0400: BLOCKLISTS / SAFE BROWSING / TRACKING PROTECTION
-     This section has security & tracking protection implications vs privacy concerns vs effectiveness
-     vs 3rd party 'censorship'. We DO NOT advocate no protection. If you disable Tracking Protection (TP)
-     and/or Safe Browsing (SB), then SECTION 0400 REQUIRES YOU HAVE uBLOCK ORIGIN INSTALLED.
-
-     Safe Browsing is designed to protect users from malicious sites. Tracking Protection is designed to
-     lessen the impact of third parties on websites to reduce tracking and to speed up your browsing. They
-     do rely on 3rd parties: Google for safe browsing and Disconnect for tracking protection. but many steps,
-     continually being improved, have been taken to preserve privacy. Disable at your own risk.
-***/
-user_pref("ghacks_user.js.parrot", "0400 syntax error: the parrot's passed on!");
-/** BLOCKLISTS ***/
-/* 0401: enable Firefox blocklist, but sanitize blocklist url
- * [NOTE] It includes updates for "revoked certificates"
- * [1] https://blog.mozilla.org/security/2015/03/03/revoking-intermediate-certificates-introducing-onecrl
- * [2] https://trac.torproject.org/projects/tor/ticket/16931 ***/
-user_pref("extensions.blocklist.enabled", true);
-user_pref("extensions.blocklist.url", "https://blocklists.settings.services.mozilla.com/v1/blocklist/3/%APP_ID%/%APP_VERSION%/");
-/* 0402: enable Kinto blocklist updates (FF50+)
- * What is Kinto?: https://wiki.mozilla.org/Firefox/Kinto#Specifications
- * As Firefox transitions to Kinto, the blocklists have been broken down into entries for certs to be
- * revoked, add-ons and plugins to be disabled, and gfx environments that cause problems or crashes ***/
-user_pref("services.blocklist.update_enabled", true);
-user_pref("services.blocklist.signing.enforced", true);
-/* 0403: disable individual unwanted/unneeded parts of the Kinto blocklists ***/
-   // user_pref("services.blocklist.onecrl.collection", ""); // revoked certificates
-   // user_pref("services.blocklist.addons.collection", "");
-   // user_pref("services.blocklist.plugins.collection", "");
-   // user_pref("services.blocklist.gfx.collection", "");
-/** SAFE BROWSING (SB)
-    This sub-section has been redesigned to differentiate between "real-time"/"user initiated"
-    data being sent to Google from all other settings such as using local blocklists/whitelists and
-    updating those lists. There are NO privacy issues here. *IF* required, a full url is never sent
-    to Google, only a PART-hash of the prefix, and this is hidden with noise of other real PART-hashes.
-    Google also swear it is anonymized and only used to flag malicious sites/activity. Firefox
-    also takes measures such as striping out identifying parameters and storing safe browsing
-    cookies in a separate jar. (#Turn on browser.safebrowsing.debug to monitor this activity)
-    #Required reading [#] https://feeding.cloud.geek.nz/posts/how-safe-browsing-works-in-firefox/
-    [1] https://wiki.mozilla.org/Security/Safe_Browsing ***/
-/* 0410: disable "Block dangerous and deceptive content" (under Options>Security)
- * This covers deceptive sites such as phishing and social engineering ***/
-   // user_pref("browser.safebrowsing.malware.enabled", false);
-   // user_pref("browser.safebrowsing.phishing.enabled", false); // (FF50+)
-/* 0411: disable "Block dangerous downloads" (under Options>Security)
- * This covers malware and PUPs (potentially unwanted programs) ***/
-   // user_pref("browser.safebrowsing.downloads.enabled", false);
-/* 0412: disable "Warn me about unwanted and uncommon software" (under Options>Security) (FF48+) ***/
-   // user_pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false);
-   // user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false);
-   // user_pref("browser.safebrowsing.downloads.remote.block_dangerous", false); // (FF49+)
-   // user_pref("browser.safebrowsing.downloads.remote.block_dangerous_host", false); // (FF49+)
-/* 0413: disable Google safebrowsing updates ***/
-   // user_pref("browser.safebrowsing.provider.google.updateURL", "");
-   // user_pref("browser.safebrowsing.provider.google.gethashURL", "");
-   // user_pref("browser.safebrowsing.provider.google4.updateURL", ""); // (FF50+)
-   // user_pref("browser.safebrowsing.provider.google4.gethashURL", ""); // (FF50+)
-/* 0414: disable binaries NOT in local lists being checked by Google (real-time checking) ***/
-user_pref("browser.safebrowsing.downloads.remote.enabled", false);
-user_pref("browser.safebrowsing.downloads.remote.url", "");
-/* 0415: disable reporting URLs ***/
-user_pref("browser.safebrowsing.provider.google.reportURL", "");
-user_pref("browser.safebrowsing.reportPhishURL", "");
-user_pref("browser.safebrowsing.provider.google4.reportURL", ""); // (FF50+)
-user_pref("browser.safebrowsing.provider.google.reportMalwareMistakeURL", ""); // (FF54+)
-user_pref("browser.safebrowsing.provider.google.reportPhishMistakeURL", ""); // (FF54+)
-user_pref("browser.safebrowsing.provider.google4.reportMalwareMistakeURL", ""); // (FF54+)
-user_pref("browser.safebrowsing.provider.google4.reportPhishMistakeURL", ""); // (FF54+)
-/* 0416: disable 'ignore this warning' on Safe Browsing warnings which when clicked
- * bypasses the block for that session. This is a means for admins to enforce SB
- * [TEST] see github wiki APPENDIX C: Test Sites: Section 5
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1226490 ***/
-   // user_pref("browser.safebrowsing.allowOverride", false);
-/** TRACKING PROTECTION (TP)
-    There are NO privacy concerns here, but we strongly recommend to use uBlock Origin as well,
-    as it offers more comprehensive and specialized lists. It also allows per domain control. ***/
-/* 0420: enable Tracking Protection in all windows
- * [1] https://wiki.mozilla.org/Security/Tracking_protection
- * [2] https://support.mozilla.org/en-US/kb/tracking-protection-firefox ***/
-user_pref("privacy.trackingprotection.pbmode.enabled", true);
-user_pref("privacy.trackingprotection.enabled", true);
-/* 0421: enable more Tracking Protection choices under Options>Privacy>Use Tracking Protection
- * Displays three choices: "Always", "Only in private windows", "Never" ***/
-user_pref("privacy.trackingprotection.ui.enabled", true);
-/* 0422: enable "basic" or "strict" tracking protecting list - ONLY USE ONE!
- * [SETTING] Options>Privacy>Use Tracking Protection>Change Block List ***/
-   // user_pref("urlclassifier.trackingTable", "test-track-simple,base-track-digest256"); // basic
-   // user_pref("urlclassifier.trackingTable", "test-track-simple,base-track-digest256,content-track-digest256"); // strict
-/* 0423: disable Mozilla's blocklist for known Flash tracking/fingerprinting (FF48+)
- * [1] http://www.ghacks.net/2016/07/18/firefox-48-blocklist-against-plugin-fingerprinting/
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1237198 ***/
-   // user_pref("browser.safebrowsing.blockedURIs.enabled", false);
-/* 0424: disable Mozilla's tracking protection and Flash blocklist updates ***/
-   // user_pref("browser.safebrowsing.provider.mozilla.gethashURL", "");
-   // user_pref("browser.safebrowsing.provider.mozilla.updateURL", "");
-
-/*** 0600: BLOCK IMPLICIT OUTBOUND [not explicitly asked for - eg clicked on] ***/
-user_pref("ghacks_user.js.parrot", "0600 syntax error: the parrot's no more!");
-/* 0601: disable link prefetching
- * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ ***/
-user_pref("network.prefetch-next", false);
-/* 0602: disable DNS prefetching
- * [1] http://www.ghacks.net/2013/04/27/firefox-prefetching-what-you-need-to-know/
- * [2] https://developer.mozilla.org/en-US/docs/Web/HTTP/Controlling_DNS_prefetching ***/
-user_pref("network.dns.disablePrefetch", true);
-user_pref("network.dns.disablePrefetchFromHTTPS", true); // (hidden pref)
-/* 0603a: disable Seer/Necko
- * [1] https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Necko ***/
-user_pref("network.predictor.enabled", false);
-/* 0603b: disable more Necko/Captive Portal
- * [1] https://en.wikipedia.org/wiki/Captive_portal
- * [2] https://wiki.mozilla.org/Necko/CaptivePortal
- * [3] https://trac.torproject.org/projects/tor/ticket/21790 ***/
-user_pref("captivedetect.canonicalURL", "");
-user_pref("network.captive-portal-service.enabled", false); // (FF52+)
-/* 0605: disable link-mouseover opening connection to linked server
- * [1] http://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests
- * [2] http://www.ghacks.net/2015/08/16/block-firefox-from-connecting-to-sites-when-you-hover-over-links ***/
-user_pref("network.http.speculative-parallel-limit", 0);
-/* 0606: disable pings (but enforce same host in case)
- * [1] http://kb.mozillazine.org/Browser.send_pings
- * [2] http://kb.mozillazine.org/Browser.send_pings.require_same_host ***/
-user_pref("browser.send_pings", false);
-user_pref("browser.send_pings.require_same_host", true);
-/* 0607: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS]
- * [1] http://www.ghacks.net/2016/03/25/block-firefox-chrome-windows-store/ ***/
-user_pref("network.protocol-handler.external.ms-windows-store", false);
-/* 0608: disable predictor / prefetching (FF48+) ***/
-user_pref("network.predictor.enable-prefetch", false);
-
-/*** 0800: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS [SETUP]
-     If you are in a private environment (no unwanted eyeballs) and your device is private
-     (restricted access), and the device is secure when unattended (locked, encrypted, forensic
-     hardened), then items 0850 and above can be relaxed in return for more convenience and
-     functionality. Likewise, you may want to check the items cleared on shutdown in section 2800.
-     [NOTE] The urlbar is also commonly referred to as the location bar and address bar
-     #Required reading [#] https://xkcd.com/538/
- ***/
-user_pref("ghacks_user.js.parrot", "0800 syntax error: the parrot's ceased to be!");
-/* 0801: disable location bar using search - PRIVACY
- * don't leak typos to a search engine, give an error message instead ***/
-user_pref("keyword.enabled", false);
-/* 0802: disable location bar domain guessing - PRIVACY/SECURITY
- * domain guessing intercepts DNS "hostname not found errors" and resends a
- * request (eg by adding www or .com). This is inconsistent use (eg FQDNs), does not work
- * via Proxy Servers (different error), is a flawed use of DNS (TLDs: why treat .com
- * as the 411 for DNS errors?), privacy issues (why connect to sites you didn't
- * intend to), can leak sensitive data (eg query strings: eg Princeton attack),
- * and is a security risk (eg common typos & malicious sites set up to exploit this) ***/
-user_pref("browser.fixup.alternate.enabled", false);
-/* 0803: display all parts of the url in the location bar - helps SECURITY ***/
-user_pref("browser.urlbar.trimURLs", false);
-/* 0804: limit history leaks via enumeration (PER TAB: back/forward) - PRIVACY
- * This is a PER TAB session history. You still have a full history stored under all history
- * default=50, minimum=1=currentpage, 2 is the recommended minimum as some pages
- * use it as a means of referral (eg hotlinking), 4 or 6 or 10 may be more practical ***/
-user_pref("browser.sessionhistory.max_entries", 10);
-/* 0805: disable CSS querying page history - CSS history leak - PRIVACY
- * [NOTE] This has NEVER been fully "resolved": in Mozilla/docs it is stated it's
- * only in 'certain circumstances', also see latest comments in [2]
- * [TEST] http://lcamtuf.coredump.cx/yahh/ (see github wiki APPENDIX C on how to use)
- * [1] https://dbaron.org/mozilla/visited-privacy
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=147777
- * [3] https://developer.mozilla.org/en-US/docs/Web/CSS/Privacy_and_the_:visited_selector ***/
-user_pref("layout.css.visited_links_enabled", false);
-/* 0806: disable displaying javascript in history URLs - SECURITY ***/
-user_pref("browser.urlbar.filter.javascript", true);
-/* 0807: disable search bar LIVE search suggestions - PRIVACY
- * [SETTING] Options>Search>Provide search suggestions ***/
-user_pref("browser.search.suggest.enabled", false);
-/* 0808: disable location bar LIVE search suggestions (requires 0807 = true) - PRIVACY
- * Also disable the location bar prompt to enable/disable or learn more about it.
- * [SETTING] Options>Search>Show search suggestions in location bar results ***/
-user_pref("browser.urlbar.suggest.searches", false);
-user_pref("browser.urlbar.userMadeSearchSuggestionsChoice", true); // (FF41+)
-/* 0809: disable location bar suggesting "preloaded" top websites (FF54+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1211726 ***/
-user_pref("browser.urlbar.usepreloadedtopurls.enabled", false);
-/* 0850a: disable location bar autocomplete [controlled by 0850b]
-   // user_pref("browser.urlbar.autocomplete.enabled", false);
-/* 0850b: disable location bar suggestion types [controls 0850a]
- * [SETTING] Options>Privacy>Location Bar>When using the location bar, suggest
- * [NOTE] If any of these are true, 0850a will be FORCED to true
- * and if all three are false, 0850a will be FORCED to false
- * [WARNING] If all three are false, search engine keywords are disabled ***/
-user_pref("browser.urlbar.suggest.history", false);
-user_pref("browser.urlbar.suggest.bookmark", false);
-user_pref("browser.urlbar.suggest.openpage", false);
-/* 0850c: disable location bar dropdown
- * This value controls the total number of entries to appear in the location bar dropdown
- * [NOTE] Items (bookmarks/history/openpages) with a high "frecency"/"bonus" will always
- * be displayed (no we do not know how these are calculated or what the threshold is),
- * and this does not affect the search by search engine suggestion (see 0808)
- * [USAGE] This setting is only useful if you want to enable search engine keywords
- * (i.e at least one of 0850b must be true) but you want to *limit* suggestions shown ***/
-   // user_pref("browser.urlbar.maxRichResults", 0);
-/* 0850d: disable location bar autofill
- * [1] http://kb.mozillazine.org/Inline_autocomplete ***/
-user_pref("browser.urlbar.autoFill", false);
-user_pref("browser.urlbar.autoFill.typed", false);
-/* 0850e: disable location bar one-off searches (FF51+)
- * [1] http://www.ghacks.net/2016/08/09/firefox-one-off-searches-address-bar/ ***/
-user_pref("browser.urlbar.oneOffSearches", false);
-/* 0860: disable search and form history
- * [SETTING] Options>Privacy>History>Custom Settings>Remember search and form history
- * [NOTE] You can clear formdata on exiting Firefox (see 2803) ***/
-   // user_pref("browser.formfill.enable", false);
-/* 0861: disable saving form history on secure websites
- * For convenience & functionality, this is best left at default true,
- * especially as the web moves more and more to encrypted services
- * You can clear form history on exiting Firefox (see 2803) ***/
-   // user_pref("browser.formfill.saveHttpsForms", false);
-/* 0862: disable browsing and download history
- * [SETTING] Options>Privacy>History>Custom Settings>Remember my browsing and download history
- * [NOTE] You can clear history and downloads on exiting Firefox (see 2803) ***/
-   // user_pref("places.history.enabled", false);
-/* 0863: disable Form Autofill (FF54+)
- * [1] https://www.ghacks.net/2017/05/24/firefoxs-new-form-autofill-is-awesome/
- * [2] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/
-user_pref("browser.formautofill.enabled", false);
-/* 0870: disable Windows jumplist [WINDOWS] ***/
-user_pref("browser.taskbar.lists.enabled", false);
-user_pref("browser.taskbar.lists.frequent.enabled", false);
-user_pref("browser.taskbar.lists.recent.enabled", false);
-user_pref("browser.taskbar.lists.tasks.enabled", false);
-/* 0871: disable Windows taskbar preview [WINDOWS] ***/
-user_pref("browser.taskbar.previews.enable", false);
-
-/*** 0900: PASSWORDS ***/
-user_pref("ghacks_user.js.parrot", "0900 syntax error: the parrot's expired!");
-/* 0901: disable saving passwords
- * [SETTING] Options>Security>Logins>Remember logins for sites
- * [NOTE] This does not clear any passwords already saved ***/
-   // user_pref("signon.rememberSignons", false);
-/* 0902: use a master password (recommended if you save passwords)
- * There are no preferences for this. It is all handled internally.
- * [SETTING] Options>Security>Logins>Use a master password
- * [1] https://support.mozilla.org/en-US/kb/use-master-password-protect-stored-logins ***/
-/* 0903: set how often Firefox should ask for the master password
- * 0=the first time (default), 1=every time it's needed, 2=every n minutes (as per the next pref) ***/
-user_pref("security.ask_for_password", 2);
-/* 0904: set how often in minutes Firefox should ask for the master password (see pref above)
- * in minutes, default is 30 ***/
-user_pref("security.password_lifetime", 5);
-/* 0905: disable auto-filling username & password form fields - SECURITY
- * can leak in cross-site forms AND be spoofed
- * [NOTE] Password will still be auto-filled after a user name is manually entered
- * [1] http://kb.mozillazine.org/Signon.autofillForms ***/
-user_pref("signon.autofillForms", false);
-/* 0906: disable websites' autocomplete="off" (FF30+)
- * Don't let sites dictate use of saved logins and passwords. Increase security through
- * stronger password use. The trade-off is the convenience. Some sites should never be
- * saved (such as banking sites). Set at true, informed users can make their own choice. ***/
-user_pref("signon.storeWhenAutocompleteOff", true);
-/* 0907: display warnings for logins on non-secure (non HTTPS) pages
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1217156 ***/
-user_pref("security.insecure_password.ui.enabled", true);
-/* 0908: remove user & password info when attempting to fix an entered URL (i.e 0802 is true)
- * e.g //user:password@foo -> //user@(prefix)foo(suffix) NOT //user:password@(prefix)foo(suffix) ***/
-user_pref("browser.fixup.hide_user_pass", true);
-/* 0909: disable formless login capture for Password Manager (FF51+) ***/
-user_pref("signon.formlessCapture.enabled", false);
-/* 0910: disable autofilling saved passwords on HTTP pages and show warning (FF52+)
- * [1] https://www.fxsitecompat.com/en-CA/docs/2017/insecure-login-forms-now-disable-autofill-show-warning-beneath-input-control/
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1217152
- * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=1319119 ***/
-user_pref("signon.autofillForms.http", false);
-user_pref("security.insecure_field_warning.contextual.enabled", true);
-
-/*** 1000: CACHE [SETUP] ***/
-user_pref("ghacks_user.js.parrot", "1000 syntax error: the parrot's gone to meet 'is maker!");
-/** CACHE ***/
-/* 1001: disable disk cache ***/
-user_pref("browser.cache.disk.enable", false);
-user_pref("browser.cache.disk.capacity", 0);
-user_pref("browser.cache.disk.smart_size.enabled", false);
-user_pref("browser.cache.disk.smart_size.first_run", false);
-/* 1002: disable disk cache for SSL pages
- * [1] http://kb.mozillazine.org/Browser.cache.disk_cache_ssl ***/
-user_pref("browser.cache.disk_cache_ssl", false);
-/* 1003: disable memory cache
- * [NOTE] Not recommended due to performance issues ***/
-   // user_pref("browser.cache.memory.enable", false);
-/* 1004: disable offline cache ***/
-user_pref("browser.cache.offline.enable", false);
-/* 1005: disable fastback cache
- * To improve performance when pressing back/forward Firefox stores visited pages
- * so they don't have to be re-parsed. This is not the same as memory cache.
- * 0=none, -1=auto (that's minus 1), or for other values see [1]
- * [NOTE] Not recommended unless you know what you're doing
- * [1] http://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers ***/
-   // user_pref("browser.sessionhistory.max_total_viewers", 0);
-/* 1006: disable permissions manager from writing to disk (requires restart)
- * [NOTE] This means any permission changes are session only
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=967812 ***/
-   // user_pref("permissions.memory_only", true); // (hidden pref)
-/* 1007: disable randomized FF HTTP cache decay experiments
- * [1] https://trac.torproject.org/projects/tor/ticket/13575 ***/
-user_pref("browser.cache.frecency_experiment", -1);
-/* 1008: set DNS cache and expiration time (default 400 and 60, same as TBB) ***/
-   // user_pref("network.dnsCacheEntries", 400);
-   // user_pref("network.dnsCacheExpiration", 60);
-/** SESSIONS & SESSION RESTORE ***/
-/* 1020: disable the Session Restore service completely
- * [WARNING] [SETUP] This also disables the "Recently Closed Tabs" feature
- * It does not affect "Recently Closed Windows" or any history. ***/
-user_pref("browser.sessionstore.max_tabs_undo", 0);
-user_pref("browser.sessionstore.max_windows_undo", 0);
-/* 1021: disable storing extra session data
- * extra session data contains contents of forms, scrollbar positions, cookies and POST data
- * define on which sites to save extra session data:
- * 0=everywhere, 1=unencrypted sites, 2=nowhere ***/
-user_pref("browser.sessionstore.privacy_level", 2);
-/* 1022: disable resuming session from crash [SETUP] ***/
-user_pref("browser.sessionstore.resume_from_crash", false);
-/* 1023: set the minimum interval between session save operations - increasing it
- * can help on older machines and some websites, as well as reducing writes, see [1]
- * Default is 15000 (15 secs). Try 30000 (30sec), 60000 (1min) etc
- * [WARNING] This can also affect entries in the "Recently Closed Tabs" feature:
- * i.e the longer the interval the more chance a quick tab open/close won't be captured.
- * This longer interval *may* affect history but we cannot replicate any history not recorded
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1304389 ***/
-user_pref("browser.sessionstore.interval", 30000);
-/** FAVICONS ***/
-/* 1030: disable favicons in shortcuts
- * URL shortcuts use a cached randomly named .ico file which is stored in your
- * profile/shortcutCache directory. The .ico remains after the shortcut is deleted.
- * If set to false then the shortcuts use a generic Firefox icon ***/
-user_pref("browser.shell.shortcutFavicons", false);
-/* 1031: disable favicons in tabs and new bookmarks
- * bookmark favicons are stored as data blobs in places.sqlite>moz_favicons ***/
-   // user_pref("browser.chrome.site_icons", false);
-   // user_pref("browser.chrome.favicons", false);
-/* 1032: disable favicons in web notifications ***/
-user_pref("alerts.showFavicons", false);
-
-/*** 1100: MULTI-PROCESS (e10s)
-     We recommend you let Firefox handle this. Until e10s is enforced, if
-     - all your add-ons have the 'multiprocessCompatible' flag as true, then FF = e10s
-     - any add-ons have 'multiprocessCompatible' flag as false, then FF != e10s
-     - any add-ons are missing the 'multiprocessCompatible' flag, then they *might* be disabled (FF53+)
-     [1] https://blog.mozilla.org/addons/2017/02/16/the-road-to-firefox-57-compatibility-milestones/
-***/
-/* 1101: start the browser in e10s mode (FF48+)
- * about:support>Application Basics>Multiprocess Windows ***/
-   // user_pref("browser.tabs.remote.autostart", true);
-   // user_pref("browser.tabs.remote.autostart.2", true); // (FF49+) (hidden pref)
-   // user_pref("browser.tabs.remote.force-enable", true); // (hidden pref)
-   // user_pref("extensions.e10sBlocksEnabling", false);
-/* 1102: control number of content rendering processes
- * [1] http://www.ghacks.net/2016/02/15/change-how-many-processes-multi-process-firefox-uses/
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1207306 ***/
-   // user_pref("dom.ipc.processCount", 4);
-/* 1103: enable WebExtension add-on code to run in a separate process (webext-oop) (FF53+)
- * [1] https://wiki.mozilla.org/WebExtensions/Implementing_APIs_out-of-process ***/
-   // user_pref("extensions.webextensions.remote", true);
-/* 1104: enforce separate content process for file://URLs (FF53+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1147911
- * [2] http://www.ghacks.net/2016/11/27/firefox-53-exclusive-content-process-for-local-files/ ***/
-   // user_pref("browser.tabs.remote.separateFileUriProcess", true);
-/* 1105: enable console shim warnings for add-ons with the 'multiprocessCompatible' flag as false ***/
-user_pref("dom.ipc.shims.enabledWarnings", true);
-/* 1106: control number of WebExtension processes ***/
-   // user_pref("dom.ipc.processCount.extension", 1);
-/* 1110: set sandbox level. DO NOT MEDDLE WITH THESE. They are included to inform you NOT to play
- * with them. The values are integers, but the code below deliberately contains a data mismatch
- * [1] https://wiki.mozilla.org/Sandbox
- * [2] http://www.ghacks.net/2017/01/23/how-to-change-firefoxs-sandbox-security-level/#comment-4105173 ***/
-   // user_pref("security.sandbox.content.level", "donotuse");
-   // user_pref("dom.ipc.plugins.sandbox-level.default", "donotuse");
-   // user_pref("dom.ipc.plugins.sandbox-level.flash", "donotuse");
-/* 1111: enable sandbox logging ***/
-   // user_pref("security.sandbox.logging.enabled", true);
-
-/*** 1200: HTTPS ( SSL/TLS / OCSP / CERTS / HSTS / HPKP / CIPHERS )
-   Note that your cipher and other settings can be used server side as a fingerprint attack
-   vector, see [1] (It's quite technical but the first part is easy to understand
-   and you can stop reading when you reach the second section titled "Enter Bro")
-
-   Option 1: Use our settings to tighten up encryption options. It *is* a fingerprinting attack
-             vector, and we certainly do want to reduce any attack surface, but this is not how
-             you *DEFEAT* fingerprinting - to do that you need large numbers to buy into the same
-             enforced browser-wide settings (such as TBB), and/or you use OpSec.
-   Option 2: Use Firefox defaults for the 1260's items (item 1260 default for SHA-1, is local only
-             anyway). There is nothing *weak* about Firefox's defaults, but Mozilla (and other
-             browsers) will always lag for fear of breakage and upset end-users
-
-   [1] https://www.securityartwork.es/2017/02/02/tls-client-fingerprinting-with-bro/
- ***/
-user_pref("ghacks_user.js.parrot", "1200 syntax error: the parrot's a stiff!");
-/** SSL (Secure Sockets Layer) / TLS (Transport Layer Security) ***/
-/* 1201: disable old SSL/TLS - vulnerable to a MiTM attack
- * [WARNING] Tested Feb 2017 - still breaks too many sites
- * [1] https://wiki.mozilla.org/Security:Renegotiation ***/
-   // user_pref("security.ssl.require_safe_negotiation", true);
-/* 1202: control TLS versions with min and max
- * 1=min version of TLS 1.0, 2=min version of TLS 1.1, 3=min version of TLS 1.2 etc
- * [WARNING] Firefox and Chrome currently allow TLS 1.0 by default, so this is your call.
- * [1] http://kb.mozillazine.org/Security.tls.version.*
- * [2] https://www.ssl.com/how-to/turn-off-ssl-3-0-and-tls-1-0-in-your-browser/ ***/
-   // user_pref("security.tls.version.min", 2);
-user_pref("security.tls.version.fallback-limit", 3);
-user_pref("security.tls.version.max", 4); // 4 = allow up to and including TLS 1.3
-/* 1203: disable SSL session tracking (FF36+)
- * SSL Session IDs speed up HTTPS connections (no need to renegotiate) and last for 48hrs.
- * Since the ID is unique, web servers can (and do) use it for tracking. If set to true,
- * this disables sending SSL Session IDs and TLS Session Tickets to prevent session tracking
- * [1] https://tools.ietf.org/html/rfc5077
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=967977 ***/
-user_pref("security.ssl.disable_session_identifiers", true); // (hidden pref)
-/* 1204: disable SSL Error Reporting
- * [1] https://gecko.readthedocs.org/en/latest/browser/base/sslerrorreport/preferences.html ***/
-user_pref("security.ssl.errorReporting.automatic", false);
-user_pref("security.ssl.errorReporting.enabled", false);
-user_pref("security.ssl.errorReporting.url", "");
-/** OCSP (Online Certificate Status Protocol) ***/
-/* 1210: enable OCSP Stapling
- * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ ***/
-user_pref("security.ssl.enable_ocsp_stapling", true);
-/* 1211: control use of OCSP responder servers to confirm current validity of certificates
- * 0=disable, 1=validate only certificates that specify an OCSP service URL (default)
- * 2=enable and use values in security.OCSP.URL and security.OCSP.signing.
- * OCSP (non-stapled) leaks information about the sites you visit to the CA (cert authority)
- * It's a trade-off between security (checking) and privacy (leaking info to the CA)
- * [1] https://en.wikipedia.org/wiki/Ocsp ***/
-user_pref("security.OCSP.enabled", 1);
-/* 1212: enable OCSP revocation. When a CA cannot be reached to validate a cert, Firefox currently
- * continues the connection. With OCSP revocation, Firefox terminates the connection instead.
- * [WARNING] Since FF44 the default is false. If set to true, this may/will cause some
- * site breakage. Some users have previously mentioned issues with youtube, microsoft etc
- * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ ***/
-   // user_pref("security.OCSP.require", true);
-/** CERTS / HSTS (HTTP Strict Transport Security) / HPKP (HTTP Public Key Pinning) ***/
-/* 1220: disable Windows 8.1's Microsoft Family Safety cert [WINDOWS] (FF50+)
- * 0=disable detecting Family Safety mode and importing the root
- * 1=only attempt to detect Family Safety mode (don't import the root)
- * 2=detect Family Safety mode and import the root
- * [1] https://trac.torproject.org/projects/tor/ticket/21686 ***/
-user_pref("security.family_safety.mode", 0);
-/* 1221: disable intermediate certificate caching (fingerprinting attack vector)
- * [NOTE] This may be better handled under FPI (ticket 1323644, part of Tor Uplift)
- * [WARNING] This affects login/cert/key dbs. The effect is all credentials are session-only.
- * Saved logins and passwords are not available. Reset the pref and restart to return them.
- * [TEST] https://fiprinca.0x90.eu/poc/
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334485 - related bug
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1216882 - related bug (see comment 9) ***/
-   // user_pref("security.nocertdb", true); // (hidden pref)
-/* 1222: enforce strict pinning
- * PKP (Public Key Pinning) 0=disabled 1=allow user MiTM (such as your antivirus), 2=strict
- * [WARNING] If you rely on an AV (antivirus) to protect your web browsing
- * by inspecting ALL your web traffic, then leave at current default=1
- * [1] https://trac.torproject.org/projects/tor/ticket/16206 ***/
-user_pref("security.cert_pinning.enforcement_level", 2);
-/* 1223: enforce HSTS preload list (default is true)
- * The list is compiled into Firefox and used to always load those domains over HTTPS
- * [1] https://blog.mozilla.org/security/2012/11/01/preloading-hsts/
- * [2] https://wiki.mozilla.org/Privacy/Features/HSTS_Preload_List ***/
-user_pref("network.stricttransportsecurity.preloadlist", true);
-/** MIXED CONTENT ***/
-/* 1240: disable insecure active content on https pages - mixed content
- * [1] https://trac.torproject.org/projects/tor/ticket/21323 ***/
-user_pref("security.mixed_content.block_active_content", true);
-/* 1241: disable insecure passive content (such as images) on https pages - mixed context
- * [WARNING] When set to true, this will visually break many sites (March 2017) ***/
-   // user_pref("security.mixed_content.block_display_content", true);
-/* 1242: enable Mixed-Content-Blocker to use the HSTS cache but disable the HSTS Priming requests (FF51+)
- * Allow resources from domains with an existing HSTS cache record or in the HSTS preload list
- * to be upgraded to HTTPS internally but disable sending out HSTS Priming requests, because
- * those may cause noticeable delays eg requests time out or are not handled well by servers
- * [NOTE] If you want to use the priming requests make sure 'use_hsts' is also true
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1246540#c145 ***/
-user_pref("security.mixed_content.use_hsts", true);
-user_pref("security.mixed_content.send_hsts_priming", false);
-/** CIPHERS [see the section 1200 intro] ***/
-/* 1260: disable or limit SHA-1
- * 0=all SHA1 certs are allowed
- * 1=all SHA1 certs are blocked (including perfectly valid ones from 2015 and earlier)
- * 2=deprecated option that now maps to 1
- * 3=only allowed for locally-added roots (e.g. anti-virus)
- * 4=only allowed for locally-added roots or for certs in 2015 and earlier
- * [WARNING] When disabled, some man-in-the-middle devices (eg security scanners and
- * antivirus products, may fail to connect to HTTPS sites. SHA-1 is *almost* obsolete.
- * [1] https://blog.mozilla.org/security/2016/10/18/phasing-out-sha-1-on-the-public-web/ ***/
-user_pref("security.pki.sha1_enforcement_level", 1);
-/* 1261: disable 3DES (effective key size < 128)
- * [1] https://en.wikipedia.org/wiki/3des#Security
- * [2] http://en.citizendium.org/wiki/Meet-in-the-middle_attack
- * [3] http://www-archive.mozilla.org/projects/security/pki/nss/ssl/fips-ssl-ciphersuites.html ***/
-user_pref("security.ssl3.rsa_des_ede3_sha", false);
-/* 1262: disable 128 bits ***/
-user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
-user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
-/* 1263: disable DHE (Diffie-Hellman Key Exchange)
- * [WARNING] May break obscure sites, but not major sites, which should support ECDH over DHE
- * [1] https://www.eff.org/deeplinks/2015/10/how-to-protect-yourself-from-nsa-attacks-1024-bit-DH ***/
-user_pref("security.ssl3.dhe_rsa_aes_128_sha", false);
-user_pref("security.ssl3.dhe_rsa_aes_256_sha", false);
-/* 1264: disable the remaining non-modern cipher suites as of FF52
- * [NOTE] Commented out because it still breaks too many sites ***/
-   // user_pref("security.ssl3.rsa_aes_128_sha", false);
-   // user_pref("security.ssl3.rsa_aes_256_sha", false);
-/** UI (User Interface) ***/
-/* 1270: display warning (red padlock) for "broken security"
- * [1] https://wiki.mozilla.org/Security:Renegotiation ***/
-user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
-/* 1271: control "Add Security Exception" dialog on SSL warnings
- * 0=do neither 1=pre-populate url 2+pre-populate url + pre-fetch cert (default)
- * [1] https://github.com/pyllyukko/user.js/issues/210 ***/
-user_pref("browser.ssl_override_behavior", 1);
-/* 1272: display advanced information on Insecure Connection warning pages
- * only works when it's possible to add an exception
- * i.e doesn't work for HSTS discrepancies (https://subdomain.preloaded-hsts.badssl.com/)
- * [TEST] https://expired.badssl.com/ ***/
-user_pref("browser.xul.error_pages.expert_bad_cert", true);
-
-/*** 1400: FONTS ***/
-user_pref("ghacks_user.js.parrot", "1400 syntax error: the parrot's bereft of life!");
-/* 1401: disable websites choosing fonts (0=block, 1=allow)
- * If you disallow fonts, this drastically limits/reduces font
- * enumeration (by JS) which is a high entropy fingerprinting vector.
- * [SETTING] Options>Content>Font & Colors>Advanced>Allow pages to choose...
- * [SETUP] Disabling fonts can uglify the web a fair bit. ***/
-user_pref("browser.display.use_document_fonts", 0);
-/* 1402: enable icon fonts (glyphs) (FF41+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=789788 ***/
-user_pref("gfx.downloadable_fonts.enabled", true);
-/* 1403: disable rendering of SVG OpenType fonts
- * [1] https://wiki.mozilla.org/SVGOpenTypeFonts - iSECPartnersReport recommends to disable this ***/
-user_pref("gfx.font_rendering.opentype_svg.enabled", false);
-/* 1404: set more legible default fonts
- * [SETTING] Options>Fonts & Colors>Advanced>Serif|Sans-serif|Monospace
- * [SETUP] These are optional, comment out if you do not require them
- * [NOTE] Been using this for 18 months, it really grows on you ***/
-user_pref("font.name.serif.x-unicode", "Georgia");
-user_pref("font.name.serif.x-western", "Georgia"); // default Times New Roman
-user_pref("font.name.sans-serif.x-unicode", "Arial");
-user_pref("font.name.sans-serif.x-western", "Arial"); // default Arial
-user_pref("font.name.monospace.x-unicode", "Lucida Console");
-user_pref("font.name.monospace.x-western", "Lucida Console"); // default Courier New
-/* 1405: disable WOFF2 (Web Open Font Format) ***/
-user_pref("gfx.downloadable_fonts.woff2.enabled", false);
-/* 1406: disable CSS Font Loading API
- * [SETUP] Disabling fonts can uglify the web a fair bit. ***/
-user_pref("layout.css.font-loading-api.enabled", false);
-/* 1407: disable special underline handling for a few fonts which you will probably never use.
- * Any of these fonts on your system can be enumerated for fingerprinting. Requires restart.
- * [1] http://kb.mozillazine.org/Font.blacklist.underline_offset ***/
-user_pref("font.blacklist.underline_offset", "");
-/* 1408: disable graphite which FF49 turned back on by default
- * In the past it had security issues - need citation ***/
-user_pref("gfx.font_rendering.graphite.enabled", false);
-/* 1409: limit system font exposure to a whitelist (FF52+) [SETUP]
- * If the whitelist is empty, then whitelisting is considered disabled and all fonts are allowed.
- * [NOTE] Creating your own probably highly-unique whitelist will raise your entropy. If
- * you block sites choosing fonts in 1401, this preference is irrelevant. In future,
- * privacy.resistFingerprinting (see 2699) may cover this, and 1401 can be relaxed.
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1121643 ***/
-   // user_pref("font.system.whitelist", ""); // (hidden pref)
-
-/*** 1600: HEADERS / REFERERS [SETUP]
-     Except for DNT (Do Not Track), referers are best controlled by an extension.
-     It is important to realize that it is *cross domain* referers that need
-     controlling, and this is best handled by EITHER 1603 or 1604, not both.
-
-     Option 1: Recommended: Use an extension to block all referers, and then whitelist
-               sites on a granular, per domain level.
-     Option 2: As per the original settings below: Set XOriginPolicy (1603) to 1 (less breakage)
-               or 2 (more breakage) and leave XOriginTrimmingPolicy (1604) at default 0
-     Option 3: Set XOriginPolicy (1603) to default 0 and set XOriginTrimmingPolicy (1604) to 2
-
-                    full URI: https://example.com:8888/foo/bar.html?id=1234
-       scheme+host+path+port: https://example.com:8888/foo/bar.html
-            scheme+host+port: https://example.com:8888
-
-     #Required reading [#] https://feeding.cloud.geek.nz/posts/tweaking-referrer-for-privacy-in-firefox/
- ***/
-user_pref("ghacks_user.js.parrot", "1600 syntax error: the parrot rests in peace!");
-/* 1601: ALL: control when images/links send a referer
- * 0=never, 1=send only when links are clicked, 2=for links and images (default)
- * [NOTE] Recommended left at default. Focus on XSS and granular cross origin referer control ***/
-user_pref("network.http.sendRefererHeader", 2);
-/* 1602: ALL: control the amount of information to send
- * 0=send full URI (default), 1=scheme+host+path+port, 2=scheme+host+port
- * [NOTE] Cross origin requests can be fine tuned in 1603 + 1604. Limiting same origin requests
- * is rather pointless. Recommended left at default for zero same origin breakage ***/
-user_pref("network.http.referer.trimmingPolicy", 0);
-/* 1603: CROSS ORIGIN: control when to send a referer [SETUP]
- * 0=always (default), 1=only if base domains match, 2=only if hosts match
- * [NOTE] 1=less breakage, possible leakage 2=less leakage, more breakage ***/
-user_pref("network.http.referer.XOriginPolicy", 1);
-/* 1604: CROSS ORIGIN: control the amount of information to send (FF52+)
- * 0=send full URI (default) 1=scheme+host+path+port 2=scheme+host+port ***/
-user_pref("network.http.referer.XOriginTrimmingPolicy", 0);
-/* 1605: ALL: disable spoofing a referer
- * Spoofing increases your exposure to cross-site request forgeries ***/
-user_pref("network.http.referer.spoofSource", false);
-/* 1606: ALL: set the default Referrer Policy (FF53+)
- * 0=no-referer 1=same-origin 2=strict-origin-when-cross-origin
- * 3=no-referrer-when-downgrade (default)
- * [NOTE] This is only a default, it can be overridden by a site-controlled Referrer Policy
- * [1] https://www.w3.org/TR/referrer-policy/
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1304623 ***/
-user_pref("network.http.referer.userControlPolicy", 3);
-/* 1607: TOR: hide (not spoof) referrer when leaving a .onion domain (FF54+)
- * [NOTE] Firefox cannot access .onion sites by default. We recommend you use
- * TBB (Tor Browser Bundle) which is specifically designed for the dark web
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1305144 ***/
-user_pref("network.http.referer.hideOnionSource", true);
-/* 1610: ALL: disable the DNT HTTP header (this is essentially USELESS and raises entropy)
- * [SETTING] Options>Privacy>Tracking>Request that sites not track you
- * [NOTE] If you use NoScript MAKE SURE to set the pref noscript.doNotTrack.enabled to match ***/
-user_pref("privacy.donottrackheader.enabled", false);
-
-/*** 1700: CONTAINERS [SETUP]
-     [1] https://support.mozilla.org/kb/containers-experiment
-     [2] https://wiki.mozilla.org/Security/Contextual_Identity_Project/Containers
-     [3] https://github.com/mozilla/testpilot-containers
-***/
-user_pref("ghacks_user.js.parrot", "1700 syntax error: the parrot rests in peace!");
-/* 1701: enable [SETTING] Options>Privacy>Container Tabs (FF50+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1279029 ***/
-   // user_pref("privacy.userContext.ui.enabled", true);
-/* 1702: enable Container Tabs (FF50+)
- * [SETTING] Options>Privacy>Container Tabs>Enable Container Tabs ***/
-   // user_pref("privacy.userContext.enabled", true);
-/* 1703: enable a private container for thumbnail loads (FF51+) ***/
-   // user_pref("privacy.usercontext.about_newtab_segregation.enabled", true);
-/* 1704: set long press behaviour on "+ Tab" button to display container menu (FF53+)
- * 0=disables long press, 1=when clicked, the menu is shown
- * 2=the menu is shown after X milliseconds
- * [NOTE] The menu does not contain a non-container tab option
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1328756 ***/
-   // user_pref("privacy.userContext.longPressBehavior", 2);
-
-/*** 1800: PLUGINS ***/
-user_pref("ghacks_user.js.parrot", "1800 syntax error: the parrot's pushing up daisies!");
-/* 1801: set default plugin state (i.e new plugins on discovery) to never activate
- * 0=disabled, 1=ask to activate, 2=active - you can override individual plugins ***/
-user_pref("plugin.default.state", 0);
-user_pref("plugin.defaultXpi.state", 0);
-/* 1802: enable click to play and set to 0 minutes ***/
-user_pref("plugins.click_to_play", true);
-user_pref("plugin.sessionPermissionNow.intervalInMinutes", 0);
-/* 1803: set a plugin state: 0=deactivated 1=ask 2=enabled (Flash example)
- * you can set all these plugin.state's via Add-ons>Plugins or search for plugin.state in about:config
- * [NOTE] You can still over-ride individual sites eg youtube via site permissions
- * [1] http://www.ghacks.net/2013/07/09/how-to-make-sure-that-a-firefox-plugin-never-activates-again/ ***/
-   // user_pref("plugin.state.flash", 0);
-/* 1804: disable plugins using external/untrusted scripts with XPCOM or XPConnect ***/
-user_pref("security.xpconnect.plugin.unrestricted", false);
-/* 1805: disable scanning for plugins [WINDOWS]
- * [1] http://kb.mozillazine.org/Plugin_scanning
- * plid.all = whether to scan the directories specified in the Windows registry for PLIDs.
- * Used to detect RealPlayer, Java, Antivirus etc, but since FF52 only covers Flash ***/
-user_pref("plugin.scan.plid.all", false);
-/* 1820: disable all GMP (Gecko Media Plugins) [SETUP]
- * [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/
-user_pref("media.gmp-provider.enabled", false);
-user_pref("media.gmp.trial-create.enabled", false);
-/* 1825: disable widevine CDM (Content Decryption Module) [SETUP] ***/
-user_pref("media.gmp-widevinecdm.visible", false);
-user_pref("media.gmp-widevinecdm.enabled", false);
-user_pref("media.gmp-widevinecdm.autoupdate", false);
-/* 1830: disable all DRM content (EME: Encryption Media Extension) [SETUP] ***/
-user_pref("media.eme.enabled", false); // Options>Content>Play DRM Content
-user_pref("browser.eme.ui.enabled", false); // hides "Play DRM Content" checkbox, restart required
-/* 1840: disable the OpenH264 Video Codec by Cisco to "Never Activate"
- * and disable pings to the external update/download server
- * This is the bundled codec used for video chat in WebRTC ***/
-user_pref("media.gmp-gmpopenh264.enabled", false); // (hidden pref)
-user_pref("media.gmp-gmpopenh264.autoupdate", false);
-user_pref("media.gmp-manager.url", "data:text/plain,");
-
-/*** 2000: MEDIA / CAMERA / MIC ***/
-user_pref("ghacks_user.js.parrot", "2000 syntax error: the parrot's snuffed it!");
-/* 2001: disable WebRTC (Web Real-Time Communication)
- * [1] https://www.privacytools.io/#webrtc ***/
-user_pref("media.peerconnection.enabled", false);
-user_pref("media.peerconnection.use_document_iceservers", false);
-user_pref("media.peerconnection.video.enabled", false);
-user_pref("media.peerconnection.identity.enabled", false);
-user_pref("media.peerconnection.identity.timeout", 1);
-user_pref("media.peerconnection.turn.disable", true);
-user_pref("media.peerconnection.ice.tcp", false);
-user_pref("media.navigator.video.enabled", false); // video capability for WebRTC
-/* 2002: limit WebRTC IP leaks if using WebRTC
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1189041
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1297416
- * [3] https://wiki.mozilla.org/Media/WebRTC/Privacy ***/
-user_pref("media.peerconnection.ice.default_address_only", true); // (FF42-FF50)
-user_pref("media.peerconnection.ice.no_host", true); // (FF51+)
-/* 2010: disable WebGL (Web Graphics Library), force bare minimum feature set if used & disable WebGL extensions
- * [1] http://www.contextis.com/resources/blog/webgl-new-dimension-browser-exploitation/
- * [2] https://security.stackexchange.com/questions/13799/is-webgl-a-security-concern ***/
-user_pref("webgl.disabled", true);
-user_pref("pdfjs.enableWebGL", false);
-user_pref("webgl.min_capability_mode", true);
-user_pref("webgl.disable-extensions", true);
-user_pref("webgl.disable-fail-if-major-performance-caveat", true);
-/* 2011: disable WebGL debug info being available to websites
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1171228
- * [2] https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_debug_renderer_info ***/
-user_pref("webgl.enable-debug-renderer-info", false);
-/* 2012: disable two more webgl preferences (FF51+) ***/
-user_pref("webgl.dxgl.enabled", false); // [WINDOWS]
-user_pref("webgl.enable-webgl2", false);
-/* 2021: disable speech recognition
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecognition
- * [2] https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesis
- * [3] https://wiki.mozilla.org/HTML5_Speech_API ***/
-user_pref("media.webspeech.recognition.enable", false);
-user_pref("media.webspeech.synth.enabled", false);
-/* 2022: disable screensharing ***/
-user_pref("media.getusermedia.screensharing.enabled", false);
-user_pref("media.getusermedia.screensharing.allowed_domains", "");
-user_pref("media.getusermedia.browser.enabled", false);
-user_pref("media.getusermedia.audiocapture.enabled", false);
-/* 2023: disable camera stuff ***/
-user_pref("camera.control.face_detection.enabled", false);
-/* 2024: enable/disable MSE (Media Source Extensions)
- * [1] http://www.ghacks.net/2014/05/10/enable-media-source-extensions-firefox/ ***/
-user_pref("media.mediasource.enabled", true);
-user_pref("media.mediasource.mp4.enabled", true);
-user_pref("media.mediasource.webm.audio.enabled", true);
-user_pref("media.mediasource.webm.enabled", true);
-/* 2026: disable canvas capture stream
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/captureStream ***/
-user_pref("canvas.capturestream.enabled", false);
-/* 2027: disable camera image capture
- * [1] https://trac.torproject.org/projects/tor/ticket/16339 ***/
-user_pref("dom.imagecapture.enabled", false);
-/* 2028: disable offscreen canvas
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas ***/
-user_pref("gfx.offscreencanvas.enabled", false);
-/* 2030: disable auto-play of HTML5 media
- * [WARNING] This may break video playback on various sites ***/
-user_pref("media.autoplay.enabled", false);
-/* 2031: disable audio auto-play in non-active tabs (FF51+)
- * [1] http://www.ghacks.net/2016/11/14/firefox-51-blocks-automatic-audio-playback-in-non-active-tabs/ ***/
-user_pref("media.block-autoplay-until-in-foreground", true);
-
-/*** 2200: UI MEDDLING
-   see http://kb.mozillazine.org/Prevent_websites_from_disabling_new_window_features ***/
-user_pref("ghacks_user.js.parrot", "2200 syntax error: the parrot's 'istory!");
-/* 2201: disable website control over browser right-click context menu
- * [NOTE] Shift-Right-Click will always bring up the browser right-click context menu ***/
-   // user_pref("dom.event.contextmenu.enabled", false);
-/* 2202: disable [new window] scripts hiding or disabling the following ***/
-user_pref("dom.disable_window_open_feature.location", true);
-user_pref("dom.disable_window_open_feature.menubar", true);
-user_pref("dom.disable_window_open_feature.resizable", true);
-user_pref("dom.disable_window_open_feature.status", true);
-user_pref("dom.disable_window_open_feature.toolbar", true);
-/* 2203: disable [popup window] scripts hiding or disabling the following ***/
-user_pref("dom.disable_window_flip", true); // window z-order
-user_pref("dom.disable_window_move_resize", true);
-user_pref("dom.disable_window_open_feature.close", true);
-user_pref("dom.disable_window_open_feature.minimizable", true);
-user_pref("dom.disable_window_open_feature.personalbar", true); //bookmarks toolbar
-user_pref("dom.disable_window_open_feature.titlebar", true);
-user_pref("dom.disable_window_status_change", true);
-user_pref("dom.allow_scripts_to_close_windows", false);
-/* 2204: disable links opening in a new window
- * This is to stop malicious window sizes and screen res leaks etc in conjunction
- * with 2203 dom.disable_window_move_resize=true | 2418 full-screen-api.enabled=false
- * [NOTE] You can still right click a link and select open in a new window
- * [TEST] https://people.torproject.org/~gk/misc/entire_desktop.html
- * [1] https://trac.torproject.org/projects/tor/ticket/9881 ***/
-user_pref("browser.link.open_newwindow.restriction", 0);
-/* 2205: disable "Confirm you want to leave" dialog on page close
- * Does not prevent JS leaks of the page close event.
- * [1] https://developer.mozilla.org/en-US/docs/Web/Events/beforeunload
- * [2] https://support.mozilla.org/en-US/questions/1043508 ***/
-user_pref("dom.disable_beforeunload", true);
-
-/*** 2300: WEB WORKERS [SETUP]
-     A worker is a JS "background task" running in a global context, i.e it is different from
-     the current window. Workers can spawn new workers (must be the same origin & scheme),
-     including service and shared workers. Shared workers can be utilized by multiple scripts
-     and communicate between browsing contexts (windows/tabs/iframes) and can even control your
-     cache. Push and web notifications require service workers, which in turn require workers.
-
-     [WARNING] Disabling workers *will* break sites (eg Google Street View, Twitter).
-     It is recommended that you use a separate profile for these sorts of sites.
-
-     [1]    Web Workers: https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API
-     [2]         Worker: https://developer.mozilla.org/en-US/docs/Web/API/Worker
-     [3] Service Worker: https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker_API
-     [4]   SharedWorker: https://developer.mozilla.org/en-US/docs/Web/API/SharedWorker
-     [5]   ChromeWorker: https://developer.mozilla.org/en-US/docs/Web/API/ChromeWorker
- ***/
-user_pref("ghacks_user.js.parrot", "2300 syntax error: the parrot's off the twig!");
-/* 2301: disable workers
- * [NOTE] CVE-2016-5259, CVE-2016-2812, CVE-2016-1949, CVE-2016-5287 (fixed) ***/
-user_pref("dom.workers.enabled", false);
-/* 2302: disable service workers
- * Service workers essentially act as proxy servers that sit between web apps, and the browser
- * and network, are event driven, and can control the web page/site it is associated with,
- * intercepting and modifying navigation and resource requests, and caching resources.
- * [NOTE] Service worker APIs are hidden (in Firefox) and cannot be used when in PB mode.
- * [NOTE] Service workers only run over HTTPS. Service Workers have no DOM access. ***/
-user_pref("dom.serviceWorkers.enabled", false);
-/* 2303: disable service workers' cache and cache storage ***/
-user_pref("dom.caches.enabled", false);
-/* 2304: disable web notifications
- * [NOTE] You can still override individual domains under site permissions (FF44+)
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/Notifications_API ***/
-user_pref("dom.webnotifications.enabled", false);
-user_pref("dom.webnotifications.serviceworker.enabled", false);
-/* 2305: disable push notifications (FF44+)
- * web apps can receive messages pushed to them from a server, whether or
- * not the web app is in the foreground, or even currently loaded
- * [1] https://developer.mozilla.org/en/docs/Web/API/Push_API ***/
-user_pref("dom.push.enabled", false);
-user_pref("dom.push.connection.enabled", false);
-user_pref("dom.push.serverURL", "");
-user_pref("dom.push.userAgentID", "");
-
-/*** 2400: DOM & JAVASCRIPT ***/
-user_pref("ghacks_user.js.parrot", "2400 syntax error: the parrot's kicked the bucket!");
-/* 2402: disable website access to clipboard events/content
- * [WARNING] This will break some sites functionality such as pasting into facebook, wordpress
- * this applies to onCut, onCopy, onPaste events - i.e you have to interact with
- * the website for it to look at the clipboard
- * [1] http://www.ghacks.net/2014/01/08/block-websites-reading-modifying-clipboard-contents-firefox/ ***/
-user_pref("dom.event.clipboardevents.enabled", false);
-/* 2403: disable clipboard commands (cut/copy) from "non-privileged" content (FF41+)
- * this disables document.execCommand("cut"/"copy") to protect your clipboard
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1170911 ***/
-user_pref("dom.allow_cut_copy", false); // (hidden pref)
-/* 2404: disable JS storing data permanently
- * This setting WAS under about:permissions>All Sites>Maintain Offline Storage
- * [NOTE] about:permissions is no longer available since FF46 but you can still override
- * individual domains: use info icon in urlbar etc or right click on a web page>view page info
- * [WARNING] [SETUP] If set as false (disabled), this WILL break some [old] add-ons and DOES
- * break a lot of sites' functionality. Applies to websites, add-ons and session data.
- * [1] https://addons.mozilla.org/en-US/firefox/addon/disable-indexeddb/ ***/
-user_pref("dom.indexedDB.enabled", false);
-/* 2410: disable User Timing API
- * [1] https://trac.torproject.org/projects/tor/ticket/16336 ***/
-user_pref("dom.enable_user_timing", false);
-/* 2411: disable resource/navigation timing ***/
-user_pref("dom.enable_resource_timing", false);
-/* 2412: disable timing attacks - javascript performance fingerprinting
- * [1] https://wiki.mozilla.org/Security/Reviews/Firefox/NavigationTimingAPI ***/
-user_pref("dom.enable_performance", false);
-/* 2414: disable shaking the screen ***/
-user_pref("dom.vibrator.enabled", false);
-/* 2415: set max popups from a single non-click event - default is 20! ***/
-user_pref("dom.popup_maximum", 3);
-/* 2415b: limit events that can cause a popup
- * default is "change click dblclick mouseup notificationclick reset submit touchend"
- * [1] http://kb.mozillazine.org/Dom.popup_allowed_events ***/
-user_pref("dom.popup_allowed_events", "click dblclick");
-/* 2416: disable idle observation ***/
-user_pref("dom.idle-observers-api.enabled", false);
-/* 2418: disable full-screen API
- * This setting WAS under about:permissions>All Sites>Fullscreen
- * [NOTE] about:permissions is no longer available since FF46 but you can still override
- * individual domains: use info icon in urlbar etc or right click on a web page>view page info
- * set to false=block, set to true=ask ***/
-user_pref("full-screen-api.enabled", false);
-/* 2420: disable support for asm.js ( http://asmjs.org/ )
- * [1] https://www.mozilla.org/en-US/security/advisories/mfsa2015-29/
- * [2] https://www.mozilla.org/en-US/security/advisories/mfsa2015-50/
- * [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2712 ***/
-user_pref("javascript.options.asmjs", false);
-/* 2421: disable Ion and baseline JIT to help harden JS against exploits such as CVE-2015-0817
- * [WARNING] Causes the odd site issue and there is also a performance loss
- * [1] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817 ***/
-   // user_pref("javascript.options.ion", false);
-   // user_pref("javascript.options.baselinejit", false);
-/* 2422: disable WebAssembly for now (FF52+)
- * [1] https://developer.mozilla.org/en-US/docs/WebAssembly ***/
-user_pref("javascript.options.wasm", false);
-/* 2426: disable Intersection Observer API (FF53+)
- * Almost a year to complete, three versions late to stable (as default false),
- * number #1 cause of crashes in nightly numerous times, and is (primarily) an
- * ad network API for "ad viewability checks" down to a pixel level
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API
- * [2] https://wicg.github.io/IntersectionObserver/
- * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=1243846 ***/
-user_pref("dom.IntersectionObserver.enabled", false);
-/* 2450a: enforce websites to ask to store data for offline use
- * [1] https://support.mozilla.org/en-US/questions/1098540
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=959985 ***/
-user_pref("offline-apps.allow_by_default", false);
-/* 2450b: display a notification when websites ask to store data for offline use
- * [SETTING] Options>Advanced>Network>Tell me when a website asks to store data for offline use ***/
-user_pref("browser.offline-apps.notify", true);
-/* 2450c: set size of warning quota for offline cache (default 51200)
- * Offline cache is only used in rare cases to store data locally. FF will store small amounts
- * (default <50MB) of data in the offline (application) cache without asking for permission. ***/
-   // user_pref("offline-apps.quota.warn", 51200);
-
-/*** 2500: HARDWARE FINGERPRINTING ***/
-user_pref("ghacks_user.js.parrot", "2500 syntax error: the parrot's shuffled off 'is mortal coil!");
-/* 2501: disable gamepad API - USB device ID enumeration
- * [1] https://trac.torproject.org/projects/tor/ticket/13023 ***/
-user_pref("dom.gamepad.enabled", false);
-/* 2503: disable giving away network info
- * eg bluetooth, cellular, ethernet, wifi, wimax, other, mixed, unknown, none
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API
- * [2] https://wicg.github.io/netinfo/
- * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=960426 ***/
-user_pref("dom.netinfo.enabled", false);
-/* 2504: disable virtual reality devices
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/WebVR_API ***/
-user_pref("dom.vr.enabled", false);
-user_pref("dom.vr.oculus.enabled", false);
-user_pref("dom.vr.osvr.enabled", false); // (FF49+)
-user_pref("dom.vr.openvr.enabled", false); // (FF51+)
-/* 2505: disable media device enumeration (FF29+)
- * [NOTE] media.peerconnection.enabled should also be set to false (see 2001)
- * [1] https://wiki.mozilla.org/Media/getUserMedia
- * [2] https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/enumerateDevices ***/
-user_pref("media.navigator.enabled", false);
-/* 2506: disable video statistics - JS performance fingerprinting
- * [1] https://trac.torproject.org/projects/tor/ticket/15757 ***/
-user_pref("media.video_stats.enabled", false);
-/* 2507: disable keyboard fingerprinting (FF38+) (physical keyboards)
- * The Keyboard API allows tracking the "read parameter" of pressed keys in forms on
- * web pages. These parameters vary between types of keyboard layouts such as QWERTY,
- * AZERTY, Dvorak, and between various languages, eg German vs English.
- * [WARNING] Don't use if Android + physical keyboard
- * [UPDATE] This MAY be incorporated better under privacy.resistFingerprinting (see 2699)
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code
- * [2] https://www.privacy-handbuch.de/handbuch_21v.htm ***/
-user_pref("dom.keyboardevent.code.enabled", false);
-user_pref("dom.keyboardevent.dispatch_during_composition", false);
-/* 2508: disable hardware acceleration to reduce graphics fingerprinting
- * [SETTING] Options>Advanced>General>Use hardware acceleration when available
- * [NOTE] Changing this option changes BOTH these preferences
- * [WARNING] [SETUP] Affects text rendering (fonts will look different) and impacts video performance
- * [1] https://wiki.mozilla.org/Platform/GFX/HardwareAcceleration ***/
-user_pref("gfx.direct2d.disabled", true); // [WINDOWS]
-user_pref("layers.acceleration.disabled", true);
-/* 2509: disable touch events [SETUP]
- * fingerprinting attack vector - leaks screen res & actual screen coordinates
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/Touch_events
- * [2] https://trac.torproject.org/projects/tor/ticket/10286 ***/
-user_pref("dom.w3c_touch_events.enabled", 0);
-/* 2510: disable Web Audio API (FF51+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1288359 ***/
-user_pref("dom.webaudio.enabled", false);
-/* 2511: disable MediaDevices change detection (FF51+) (enabled by default starting FF52+)
- * [1] https://developer.mozilla.org/en-US/docs/Web/Events/devicechange
- * [2] https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/ondevicechange ***/
-user_pref("media.ondevicechange.enabled", false);
-/* 2512: disable device sensor API
- * [1] https://trac.torproject.org/projects/tor/ticket/15758
- * [2] https://blog.lukaszolejnik.com/stealing-sensitive-browser-data-with-the-w3c-ambient-light-sensor-api/
- * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=1357733
- * [4] https://bugzilla.mozilla.org/show_bug.cgi?id=1292751 ***/
-user_pref("device.sensors.enabled", false);
-/* 2513: disable Presentation API
- * [1] https://wiki.mozilla.org/WebAPI/PresentationAPI
- * [2] https://www.w3.org/TR/presentation-api/ ***/
-user_pref("dom.presentation.enabled", false);
-user_pref("dom.presentation.controller.enabled", false);
-user_pref("dom.presentation.discoverable", false);
-user_pref("dom.presentation.discovery.enabled", false);
-user_pref("dom.presentation.receiver.enabled", false);
-user_pref("dom.presentation.session_transport.data_channel.enable", false);
-/* 2514: spoof (or limit?) number of CPU cores (also see 2699f) (FF48+)
- * [WARNING] *may* affect core chrome/Firefox performance, will affect content.
- * Highly recommended to leave this (dom) and use 2699f (navigator)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1008453
- * [2] https://trac.torproject.org/projects/tor/ticket/21675
- * [3] https://trac.torproject.org/projects/tor/ticket/22127
- * [4] https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency ***/
-   // user_pref("dom.maxHardwareConcurrency", 2);
-/* 2515: disable site specific zoom
- * Zoom levels affect screen res and are highly fingerprintable. This does not stop you using
- * zoom, it will just not use/remember any site specific settings. Zoom levels on new tabs
- * and new windows are reset to default and only the current tab retains the current zoom ***/
-user_pref("browser.zoom.siteSpecific", false);
-
-/*** 2600: MISC - LEAKS / FINGERPRINTING / PRIVACY / SECURITY ***/
-user_pref("ghacks_user.js.parrot", "2600 syntax error: the parrot's run down the curtain!");
-/* 2601: disable sending additional analytics to web servers
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/navigator.sendBeacon ***/
-user_pref("beacon.enabled", false);
-/* 2602: discourage downloading to desktop (0=desktop 1=downloads 2=last used)
- * [NOTE] To set your default "downloads": Options>General>Downloads>Save files to ***/
-user_pref("browser.download.folderList", 2);
-/* 2603: enforce user interaction for security by always asking the user where to download ***/
-user_pref("browser.download.useDownloadDir", false);
-/* 2604: remove temp files opened with an external application
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=302433 ***/
-user_pref("browser.helperApps.deleteTempFileOnExit", true);
-/* 2605: disable adding downloads to the system's "recent documents" list ***/
-user_pref("browser.download.manager.addToRecentDocs", false);
-/* 2606: disable hiding mime types (Options>Applications) not associated with a plugin ***/
-user_pref("browser.download.hide_plugins_without_extensions", false);
-/* 2607: disable page thumbnail collection
- * look in profile/thumbnails directory - you may want to clean that out ***/
-user_pref("browser.pagethumbnails.capturing_disabled", true); // (hidden pref)
-/* 2608: disable JAR from opening Unsafe File Types ***/
-user_pref("network.jar.open-unsafe-types", false);
-/* 2609: disable exposure of system colors to CSS or canvas (FF44+)
- * [NOTE] see [2] bug may cause black on black for elements with undefined colors
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=232227
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1330876 ***/
-user_pref("ui.use_standins_for_native_colors", true); // (hidden pref)
-/* 2611: disable WebIDE to prevent remote debugging and add-on downloads
- * [1] https://trac.torproject.org/projects/tor/ticket/16222 ***/
-user_pref("devtools.webide.autoinstallADBHelper", false);
-user_pref("devtools.webide.autoinstallFxdtAdapters", false);
-user_pref("devtools.debugger.remote-enabled", false);
-user_pref("devtools.webide.enabled", false);
-/* 2612: disable SimpleServiceDiscovery - which can bypass proxy settings - eg Roku
- * [1] https://trac.torproject.org/projects/tor/ticket/16222 ***/
-user_pref("browser.casting.enabled", false);
-user_pref("gfx.layerscope.enabled", false);
-/* 2614: disable HTTP2 (which was based on SPDY which is now deprecated)
- * HTTP2 raises concerns with "multiplexing" and "server push", does nothing to enhance
- * privacy, and in fact opens up a number of server-side fingerprinting opportunities
- * [1] https://http2.github.io/faq/
- * [2] http://blog.scottlogic.com/2014/11/07/http-2-a-quick-look.html
- * [3] https://queue.acm.org/detail.cfm?id=2716278
- * [4] https://github.com/ghacksuserjs/ghacks-user.js/issues/107 ***/
-user_pref("network.http.spdy.enabled", false);
-user_pref("network.http.spdy.enabled.deps", false);
-user_pref("network.http.spdy.enabled.http2", false);
-/* 2617: enable Firefox's built-in PDF reader [SETUP]
- * [SETTING] Options>Applications>Portable Document Format (PDF)
- * This setting controls if the option "Display in Firefox" in the above setting is available
- * and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With")
- *   [WHY USE false=default=view PDFs in Firefox]
- * pdfjs is lightweight, open source and as secure as any pdf reader out there, certainly better and more
- * vetted than most. Exploits are rare (1 serious case in 3 years), treated seriously and patched quickly.
- * It doesn't break "state separation" of browser content (by not sharing with OS, independent apps). It
- * maintains disk avoidance and application data isolation. It's convenient. You can still save to disk.
- *   [WHY USE true=open with or save to disk]
- * If you think a particular external app is more secure...
- *   [NOTE]
- * 1. See 2662 2: JS can still force a pdf to open in-browser by bundling it's own code (rare) ***/
-user_pref("pdfjs.disabled", false);
-/* 2618: enforce the proxy server to do any DNS lookups when using SOCKS
- * eg in TOR, this stops your local DNS server from knowing your Tor destination
- * as a remote Tor node will handle the DNS request
- * [1] http://kb.mozillazine.org/Network.proxy.socks_remote_dns
- * [2] https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WebBrowsers ***/
-user_pref("network.proxy.socks_remote_dns", true);
-/* 2619: limit HTTP redirects (this does not control redirects with HTML meta tags or JS)
- * [WARNING] A low setting of 5 or under will probably break some sites (eg gmail logins)
- * To control HTML Meta tag and JS redirects, use an add-on (eg NoRedirect). Default is 20 ***/
-user_pref("network.http.redirection-limit", 10);
-/* 2620: disable middle mouse click opening links from clipboard
- * [1] https://trac.torproject.org/projects/tor/ticket/10089
- * [2] http://kb.mozillazine.org/Middlemouse.contentLoadURL ***/
-user_pref("middlemouse.contentLoadURL", false);
-/* 2621: disable IPv6 (included for knowledge ONLY [WARNING] do not do this)
- * This is all about covert channels such as MAC addresses being included/abused in the
- * IPv6 protocol for tracking. If you want to mask your IP address, this is not the way
- * to do it. It's 2016, IPv6 is here. Here are some old links
- * 2010: https://www.christopher-parsons.com/ipv6-and-the-future-of-privacy/
- * 2011: https://iapp.org/news/a/2011-09-09-facing-the-privacy-implications-of-ipv6
- * 2012: http://www.zdnet.com/article/security-versus-privacy-with-ipv6-deployment/
- * [NOTE] It is a myth that disabling IPv6 will speed up your internet connection
- * [1] http://www.howtogeek.com/195062/no-disabling-ipv6-probably-wont-speed-up-your-internet-connection ***/
-   // user_pref("network.dns.disableIPv6", true);
-   // user_pref("network.http.fast-fallback-to-IPv4", true);
-/* 2622: enforce a security delay when installing add-ons (milliseconds)
- * default=1000, This also covers the delay in "Save" on downloading files.
- * [1] http://kb.mozillazine.org/Disable_extension_install_delay_-_Firefox
- * [2] http://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/ ***/
-user_pref("security.dialog_enable_delay", 700);
-/* 2623: enable Strict File Origin Policy on local files
- * [1] http://kb.mozillazine.org/Security.fileuri.strict_origin_policy ***/
-user_pref("security.fileuri.strict_origin_policy", true);
-/* 2624: enable Subresource Integrity (SRI) (FF43+)
- * [1] https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity
- * [2] https://wiki.mozilla.org/Security/Subresource_Integrity ***/
-user_pref("security.sri.enable", true);
-/* 2625: disable DNS requests for hostnames with a .onion TLD (FF45+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1228457 ***/
-user_pref("network.dns.blockDotOnion", true);
-/* 2626: disable optional user agent token, default is false, included for completeness
- * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Gecko_user_agent_string_reference ***/
-user_pref("general.useragent.compatMode.firefox", false);
-/* 2628: disable UITour backend so there is no chance that a remote page can use it ***/
-user_pref("browser.uitour.enabled", false);
-user_pref("browser.uitour.url", "");
-/* 2629: disable remote JAR files being opened, regardless of content type
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1215235 ***/
-user_pref("network.jar.block-remote-files", true);
-/* 2662: disable "open with" in download dialog (FF50+)
- * This is very useful to enable when the browser is sandboxed (e.g. via AppArmor)
- * in such a way that it is forbidden to run external applications.
- * [SETUP] This may interfere with some users' workflow or methods
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281959 ***/
-user_pref("browser.download.forbid_open_with", true);
-/* 2663: disable MathML (Mathematical Markup Language) (FF51+)
- * [TEST] http://browserspy.dk/mathml.php
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1173199 ***/
-user_pref("mathml.disabled", true);
-/* 2664: disable DeviceStorage API
- * [1] https://wiki.mozilla.org/WebAPI/DeviceStorageAPI ***/
-user_pref("device.storage.enabled", false);
-/* 2665: remove webchannel whitelist ***/
-user_pref("webchannel.allowObject.urlWhitelist", "");
-/* 2666: disable HTTP Alternative Services
- * [1] http://www.ghacks.net/2015/08/18/a-comprehensive-list-of-firefox-privacy-and-security-settings/#comment-3970881 ***/
-user_pref("network.http.altsvc.enabled", false);
-user_pref("network.http.altsvc.oe", false);
-/* 2667: disable various developer tools in browser context
- * [SETTING] Devtools>Advanced Settings>Enable browser chrome and add-on debugging toolboxes
- * [1] http://github.com/pyllyukko/user.js/issues/179#issuecomment-246468676 ***/
-user_pref("devtools.chrome.enabled", false);
-/* 2668: lock down allowed extension directories
- * [WARNING] This will break add-ons that do not use the default XPI directories
- * [1] https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/
- * [2] archived: http://archive.is/DYjAM ***/
-user_pref("extensions.enabledScopes", 1); // (hidden pref)
-user_pref("extensions.autoDisableScopes", 15);
-/* 2669: remove paths when sending URLs to PAC scripts (FF51+)
- * CVE-2017-5384: Information disclosure via Proxy Auto-Config (PAC)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1255474 ***/
-user_pref("network.proxy.autoconfig_url.include_path", false);
-/* 2670: disable "image/" mime types bypassing CSP (FF51+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1288361 ***/
-user_pref("security.block_script_with_wrong_mime", true);
-/* 2671: disable in-content SVG (Scalable Vector Graphics) (FF53+)
- * [WARNING] SVG is fairly common (~15% of the top 10K sites), so will cause some breakage
- * including youtube player controls. Best left for "hardened" or specific profiles.
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1216893 ***/
-   // user_pref("svg.disabled", true);
-/* 2672: enforce Punycode for Internationalized Domain Names to eliminate possible spoofing security risk
- * Firefox has *some* protections to mitigate the risk, but it is better to be safe
- * than sorry. The downside: it will also display legitimate IDN's punycoded, which
- * might be undesirable for users from countries with non-latin alphabets
- * [TEST] https://www.xn--80ak6aa92e.com/ (www.apple.com)
- * [1] http://kb.mozillazine.org/Network.IDN_show_punycode
- * [2] https://wiki.mozilla.org/IDN_Display_Algorithm
- * [3] https://en.wikipedia.org/wiki/IDN_homograph_attack
- * [4] CVE-2017-5383: https://www.mozilla.org/en-US/security/advisories/mfsa2017-02/
- * [5] https://www.xudongz.com/blog/2017/idn-phishing/ ***/
-user_pref("network.IDN_show_punycode", true);
-/* 2673: enable CSP (Content Security Policy) (default is true)
- * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP ***/
-user_pref("security.csp.enable", true);
-/* 2674: enable CSP 1.1 experimental hash-source directive (FF29+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=855326
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=883975 ***/
-user_pref("security.csp.experimentalEnabled", true);
-
-/*** 2697: USER AGENT (UA) SPOOFING
-     Spoofing your UA to *LOWER* entropy *does* *not* *work*. It may even cause site breakage
-     depending on your values. Even if you spoof, like TBB (Tor Browser Bundle) does, as the
-     latest ESR, it still *does* *not* *work*. There are two main reasons for this.
-       1. Many of the components that make up your UA can be derived by other means. And when
-          those values differ, you provide more bits and raise entropy. Examples of leaks include
-          navigator objects, resource://URIs, <isindex> locale, feature detection and more.
-       2. You are not in a controlled set of significant numbers, where the values are enforced
-          by default. It works for TBB because for TBB, the spoofed values ARE their default.
-     * We do not recommend UA spoofing yourself, leave it to privacy.resistFingerprinting (see 2699)
-     * Values below are for example only based on the current ESR/TBB at the time of writing
-***/
-/* 2697a: navigator.userAgent leaks in JS
- * [NOTE] Setting this will break any UA spoofing add-on whitelisting ***/
-   // user_pref("general.useragent.override", "Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101 Firefox/45.0"); // (hidden pref)
-/* 2697b: navigator.buildID (see gecko.buildID in about:config) reveals build time
- * down to the second which defeats user agent spoofing and can compromise OS etc
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=583181 ***/
-   // user_pref("general.buildID.override", "20100101"); // (hidden pref)
-/* 2697c: navigator.appName ***/
-   //user_pref("general.appname.override", "Netscape"); // (hidden pref)
-/* 2697d: navigator.appVersion ***/
-   // user_pref("general.appversion.override", "5.0 (Windows)"); // (hidden pref)
-/* 2697e: navigator.platform leaks in JS ***/
-   // user_pref("general.platform.override", "Win32"); // (hidden pref)
-/* 2697f: navigator.oscpu leaks in JS ***/
-   // user_pref("general.oscpu.override", "Windows NT 6.1"); // (hidden pref)
-/* 2697g: general.useragent.locale (related, see 0204) ***/
-
-/*** 2698: FIRST PARTY ISOLATION (FPI) ***/
-/* 2698a: enable first party isolation pref and OriginAttribute (FF51+)
- * [WARNING] Breaks lots of cross-domain logins and site functionality until perfected
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1260931 ***/
-/* 2698b: isolate favicons (FF52+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1277803 ***/
-/* 2698c: isolate OCSP cache (FF52+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1264562 ***/
-/* 2698d: isolate Shared Workers (FF52+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1268726 ***/
-/* 2698e: isolate SSL session cache (FF52+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1316283 ***/
-/* 2698f: isolate media cache (FF53+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1317927 ***/
-/* 2698g: isolate HSTS and HPKP (FF54+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1323644 ***/
-/* 2698h: isolate HTTP Alternative Services (FF54+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334690 ***/
-/* 2698i: isolate SPDY/HTTP2 (FF55+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334693 ***/
-/* 2698j: isolate DNS cache (FF55+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1337893 ***/
-/* 2698k: isolate blob: URI (FF55+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1344170 ***/
-   // user_pref("privacy.firstparty.isolate", true);
-   // user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // (FF54+)
-
-/*** 2699: TOR UPLIFT: privacy.resistFingerprinting
-     This preference will be used as a generic switch for a wide range of items.
-     This section will attempt to list all the ramifications and Mozilla tickets ***/
-/* 2699a: limit window.screen & CSS media queries providing large amounts of identifiable info.
- * POC: http://ip-check.info/?lang=en (screen, usable screen, and browser window will match)
- * [NOTE] Does not cover everything yet - https://bugzilla.mozilla.org/show_bug.cgi?id=1216800
- * [NOTE] This will probably make your values pretty unique until you resize or snap the
- * inner window width + height into standard/common resolutions (mine is at 1366x768)
- * To set a size, open a XUL (chrome) page (such as about:config) which is at 100% zoom, hit
- * Shift+F4 to open the scratchpad, type window.resizeTo(1366,768), hit Ctrl+R to run. Test
- * your window size, do some math, resize to allow for all the non inner window elements
- * [TEST] http://browserspy.dk/screen.php
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=418986 ***/
-/* 2699b: spoof screen orientation
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281949 ***/
-/* 2699c: hide the contents of navigator.plugins and navigator.mimeTypes (FF50+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281963 ***/
-/* 2699d: set new window sizes to round to hundreds (FF55+) [SETUP]
- * [NOTE] If override values are too big, the code determines it for you
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1330882
- * [2] https://metrics.mozilla.com/firefox-hardware-report/ ***/
-   // user_pref("privacy.window.maxInnerWidth", 1366);
-   // user_pref("privacy.window.maxInnerHeight", 768);
-/* 2699e: spoof timezone as UTC 0 (FF55+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1330890 ***/
-/* 2699f: spoof navigator.hardwareConcurrency as 2 (also see 2514) (FF55+)
- * This spoof *shouldn't* affect core chrome/Firefox performance
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1360039 ***/
-/* 2699g: reduce precision of time exposed by javascript (FF55+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1217238 ***/
-user_pref("privacy.resistFingerprinting", true); // (hidden pref)
-
-/*** 2700: COOKIES & DOM STORAGE ***/
-user_pref("ghacks_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin' choir invisible!");
-/* 2701: disable cookies on all sites [SETUP]
- * You can set exceptions under site permissions or use an extension (eg Cookie Controller)
- * 0=allow all 1=allow same host 2=disallow all 3=allow 3rd party if it already set a cookie
- * [SETTING] Options>Privacy>History>Custom Settings>Accept cookies from sites ***/
-user_pref("network.cookie.cookieBehavior", 2);
-/* 2702: set third-party cookies (if enabled, see above pref) to session-only
- * [1] https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/
- * [2] http://kb.mozillazine.org/Network.cookie.thirdparty.sessionOnly ***/
-user_pref("network.cookie.thirdparty.sessionOnly", true);
-/* 2703: set cookie lifetime policy
- * 0=until they expire (default), 2=until you close Firefox, 3=for n days (see next pref)
- * [SETTING] Options>Privacy>History>Custom Settings>Accept cookies from sites>Keep until ***/
-   // user_pref("network.cookie.lifetimePolicy", 0);
-/* 2704: set cookie lifetime in days (see above pref) - default is 90 days ***/
-   // user_pref("network.cookie.lifetime.days", 90);
-/* 2705: disable dom storage
- * [WARNING] This will break a LOT of sites' functionality.
- * You are better off using an extension for more granular control ***/
-   // user_pref("dom.storage.enabled", false);
-/* 2706: disable Storage API
- * The API gives sites the ability to find out how much space they can use, how much
- * they are already using, and even control whether or not they need to be alerted
- * before the user agent disposes of site data in order to make room for other things.
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/StorageManager
- * [2] https://developer.mozilla.org/en-US/docs/Web/API/Storage_API
- * [3] https://blog.mozilla.org/l10n/2017/03/07/firefox-l10n-report-aurora-54/ ***/
-user_pref("dom.storageManager.enabled", false); // (FF51+)
-user_pref("browser.storageManager.enabled", false); // (FF53+)
-/* 2707: clear localStorage and UUID when a WebExtension is uninstalled
- * [NOTE] Both preferences must be the same
- * [1] https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/storage/local
- * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1213990 ***/
-user_pref("extensions.webextensions.keepStorageOnUninstall", false);
-user_pref("extensions.webextensions.keepUuidOnUninstall", false);
-/* 2708: disable HTTP sites setting cookies with the "secure" directive (default: true) (FF52+)
- * [1] https://developer.mozilla.org/en-US/Firefox/Releases/52#HTTP ***/
-user_pref("network.cookie.leave-secure-alone", true);
-
-/*** 2800: SHUTDOWN [SETUP]
-     You should set the values to what suits you best. Be aware that the settings below clear
-     browsing, download and form history, but not cookies (we expect you to use an extension).
-     [NOTE] In both 2803 + 2804, the 'download' and 'history' prefs are combined in the
-     firefox interface as "Browsing & Download History" and their values will be synced
- ***/
-user_pref("ghacks_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!");
-/* 2802: enable Firefox to clear history items on shutdown
- * [SETTING] Options>Privacy>Clear history when Firefox closes ***/
-user_pref("privacy.sanitize.sanitizeOnShutdown", true);
-/* 2803: set what history items to clear on shutdown
- * [SETTING] Options>Privacy>Clear history when Firefox closes>Settings
- * [NOTE] If 'history' is true, downloads will also be cleared regardless of the value
- * but if 'history' is false, downloads can still be cleared independently
- * However, this may not always be the case. The interface combines and syncs these
- * prefs when set from there, and the sanitize code may change at any time ***/
-user_pref("privacy.clearOnShutdown.cache", true);
-user_pref("privacy.clearOnShutdown.cookies", false);
-user_pref("privacy.clearOnShutdown.downloads", true); // see note above
-user_pref("privacy.clearOnShutdown.formdata", true); // Form & Search History
-user_pref("privacy.clearOnShutdown.history", true); // Browsing & Download History
-user_pref("privacy.clearOnShutdown.offlineApps", true); // Offline Website Data
-user_pref("privacy.clearOnShutdown.sessions", true); // Active Logins
-user_pref("privacy.clearOnShutdown.siteSettings", false); // Site Preferences
-/* 2804: set what history items to clear with Ctrl-Shift-Del (to match above)
- * This dialog can also be accessed from the menu History>Clear Recent History
- * [NOTE] Regardless of what you set privacy.cpd.downloads to, as soon as the dialog
- * for "Clear Recent History" is opened, it is synced to the same as 'history' ***/
-user_pref("privacy.cpd.cache", true);
-user_pref("privacy.cpd.cookies", false);
-   // user_pref("privacy.cpd.downloads", true); // not used, see note above
-user_pref("privacy.cpd.formdata", true); // Form & Search History
-user_pref("privacy.cpd.history", true); // Browsing & Download History
-user_pref("privacy.cpd.offlineApps", true); // Offline Website Data
-user_pref("privacy.cpd.passwords", false); // this is not listed
-user_pref("privacy.cpd.sessions", true); // Active Logins
-user_pref("privacy.cpd.siteSettings", false); // Site Preferences
-/* 2805: privacy.*.openWindows (clear session restore data) (FF34+)
- * [NOTE] There is a years-old bug that these cause two windows when Firefox restarts.
- * You do not need these anyway if session restore is disabled (see 1020) ***/
-   // user_pref("privacy.clearOnShutdown.openWindows", true);
-   // user_pref("privacy.cpd.openWindows", true);
-/* 2806: reset default 'Time range to clear' for 'Clear Recent History' (see 2804)
- * Firefox remembers your last choice. This will reset the value when you start Firefox.
- * 0=everything, 1=last hour, 2=last two hours, 3=last four hours
- * 4=today, 5=last five minutes, 6=last twenty-four hours
- * [NOTE] The values 5 + 6 are not listed in the dropdown, which will display a
- * blank value if they are used, but they do work as advertised ***/
-user_pref("privacy.sanitize.timeSpan", 0);
-
-/*** 3000: PERSONAL SETTINGS [SETUP]
-     Settings that are handy to migrate and/or are not in the Options interface. Users
-     can put their own non-security/privacy/fingerprinting/tracking stuff here ***/
-user_pref("ghacks_user.js.parrot", "3000 syntax error: this is an ex-parrot!");
-/* 3001: disable annoying warnings ***/
-user_pref("general.warnOnAboutConfig", false);
-user_pref("browser.tabs.warnOnClose", false);
-user_pref("browser.tabs.warnOnCloseOtherTabs", false);
-user_pref("browser.tabs.warnOnOpen", false);
-/* 3001a: disable warning when a domain requests full screen
- * [1] https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode ***/
-   // user_pref("full-screen-api.warning.delay", 0);
-   // user_pref("full-screen-api.warning.timeout", 0);
-/* 3002: disable closing browser with last tab ***/
-user_pref("browser.tabs.closeWindowWithLastTab", false);
-/* 3004: disable backspace (0=previous page, 1=scroll up, 2=do nothing) ***/
-user_pref("browser.backspace_action", 2);
-/* 3005: disable autocopy default (linux) ***/
-   // user_pref("clipboard.autocopy", false);
-/* 3006: disable enforced add-on signing (FF43+)
- * [NOTE] Only applicable to Nightly and ESR (FF48+)
- * [1] https://wiki.mozilla.org/Add-ons/Extension_Signing#Documentation ***/
-   // user_pref("xpinstall.signatures.required", false);
-/* 3007: open new windows in a new tab instead
- * 1=current window, 2=new window, 3=most recent window
- * [SETTING] Options>General>Tabs>Open new windows in a new tab instead ***/
-user_pref("browser.link.open_newwindow", 3);
-/* 3009: enable APZ (Async Pan/Zoom) - requires e10s
- * [1] http://www.ghacks.net/2015/07/28/scrolling-in-firefox-to-get-a-lot-better-thanks-to-apz/ ***/
-   // user_pref("layers.async-pan-zoom.enabled", true);
-/* 3010: enable ctrl-tab previews ***/
-user_pref("browser.ctrlTab.previews", true);
-/* 3011: don't open "page/selection source" in a tab. The window used instead is cleaner
- * and easier to use and move around (eg developers/multi-screen). ***/
-user_pref("view_source.tab", false);
-/* 3012: control spellchecking: 0=none, 1-multi-line controls, 2=multi-line & single-line controls ***/
-user_pref("layout.spellcheckDefault", 1);
-/* 3013: disable automatic "Work Offline" status
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=620472
- * [2] https://developer.mozilla.org/en-US/docs/Online_and_offline_events ***/
-user_pref("network.manage-offline-status", false);
-/* 3015: disable tab animation, speed things up a little ***/
-user_pref("browser.tabs.animate", false);
-/* 3016: disable fullscreeen animation. Test using F11.
- * Animation is smother but is annoyingly slow, while no animation can be startling ***/
-user_pref("browser.fullscreen.animate", false);
-/* 3017: set submenu delay in milliseconds. 0=instant while a small number allows
- * a mouse pass over menu items without any submenus alarmingly shooting out ***/
-user_pref("ui.submenuDelay", 150); // (hidden pref)
-/* 3018: set maximum number of daily bookmark backups to keep (default is 15) ***/
-user_pref("browser.bookmarks.max_backups", 2);
-/* 3020: control urlbar click behaviour (with defaults) ***/
-user_pref("browser.urlbar.clickSelectsAll", true);
-user_pref("browser.urlbar.doubleClickSelectsAll", false);
-/* 3021a: control tab behaviours (with defaults)
- * open links in a new tab immediately to the right of parent tab, not far right ***/
-user_pref("browser.tabs.insertRelatedAfterCurrent", true);
-/* 3021b: switch to the parent tab (if it has one) on close, rather than
- * to the adjacent right tab if it exists or to the adjacent left tab if it doesn't.
- * [NOTE] Requires browser.link.open_newwindow set to 3 (see pref 3007) ***/
-user_pref("browser.tabs.selectOwnerOnClose", true);
-/* 3021c: stay on the parent tab when opening links in a new tab
- * [SETTING] Options>General>Tabs>When I open a link in a new tab, switch to it immediately ***/
-user_pref("browser.tabs.loadInBackground", true);
-/* 3021d: set behavior of pages normally meant to open in a new window (such as target="_blank"
- * or from an external program), but that have instead been loaded in a new tab.
- * true: load the new tab in the background, leaving focus on the current tab
- * false: load the new tab in the foreground, taking the focus from the current tab. ***/
-user_pref("browser.tabs.loadDivertedInBackground", false);
-/* 3022: hide recently bookmarked items (you still have the original bookmarks) (FF49+) ***/
-user_pref("browser.bookmarks.showRecentlyBookmarked", false);
-/* 3024: enable "Find As You Type"
- * [1] http://kb.mozillazine.org/Accessibility.typeaheadfind ***/
-   // user_pref("accessibility.typeaheadfind", true);
-/* 3025: enable/disable various media types ***/
-   // user_pref("media.mp4.enabled", false);
-   // user_pref("media.flac.enabled", false); // (FF51+)
-   // user_pref("media.ogg.enabled", false);
-   // user_pref("media.ogg.flac.enabled", false); // (FF51+)
-   // user_pref("media.opus.enabled", false);
-   // user_pref("media.raw.enabled", false);
-   // user_pref("media.wave.enabled", false);
-   // user_pref("media.webm.enabled", false);
-   // user_pref("media.wmf.enabled", false); // https://www.youtube.com/html5 - for the two H.264 entries
-/* 3026: disable "Reader View" ***/
-   // user_pref("reader.parse-on-load.enabled", false);
-/* 3027: decode URLs on copy from the urlbar (FF53+)
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1320061 ***/
-user_pref("browser.urlbar.decodeURLsOnCopy", true);
-/* 3028: disable middle-click enabling auto-scrolling [WINDOWS] [MAC] ***/
-   // user_pref("general.autoScroll", false);
-/* 3029: disable Firefox Screenshots (FF54+)
- * [1] https://www.ghacks.net/2017/05/28/firefox-screenshots-integrated-in-firefox-nightly/
- * [2] https://github.com/mozilla-services/screenshots ***/
-   // user_pref("extensions.screenshots.system-disabled", true);
-
-/* END: internal custom pref to test for syntax errors ***/
-user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Remarkable bird, the Norwegian Blue");
-
-/*** 9999: DEPRECATED / REMOVED / LEGACY / RENAMED
-     Documentation denoted as [-]. Numbers may be re-used. See [1] for a link-clickable,
-     viewer-friendly version of the deprecated bugzilla tickets. To enable a section
-     change /* FFxx to // FFxx. The original state of each pref has been preserved,
-     or changed to match the current setup, but you are advised to review them.
-     [1] https://github.com/ghacksuserjs/ghacks-user.js/issues/123
-***/
-/* FF42 and older
-// 2607: (25+) disable page thumbnails - replaced by browser.pagethumbnails.capturing_disabled
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=897811
-user_pref("pageThumbs.enabled", false);
-// 2503: (31+) disable network API - replaced by dom.netinfo.enabled
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=960426
-user_pref("dom.network.enabled", false);
-// 2620: (35+) disable WebSockets
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1091016
-user_pref("network.websocket.enabled", false);
-// 1610: (36+) set DNT "value" to "not be tracked" (FF21+)
-   // [1] http://kb.mozillazine.org/Privacy.donottrackheader.value
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1042135#c101
-   // user_pref("privacy.donottrackheader.value", 1);
-// 2023: (37+) disable camera autofocus callback
-   // The API will be superceded by the WebRTC Capture and Stream API
-   // [1] https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS/API/CameraControl/
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1107683
-user_pref("camera.control.autofocus_moving_callback.enabled", false);
-// 0415: (41+) disable reporting URLs (safe browsing) - removed or replaced by various
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1109475
-user_pref("browser.safebrowsing.reportErrorURL", ""); // browser.safebrowsing.reportPhishMistakeURL
-user_pref("browser.safebrowsing.reportGenericURL", ""); // removed
-user_pref("browser.safebrowsing.reportMalwareErrorURL", ""); // browser.safebrowsing.reportMalwareMistakeURL
-user_pref("browser.safebrowsing.reportMalwareURL", ""); // removed
-user_pref("browser.safebrowsing.reportURL", ""); // removed
-// 1804: (41+) disable plugin enumeration
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1169945
-user_pref("plugins.enumerable_names", "");
-// 2614: (41+) disable HTTP2 (draft)
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1132357
-user_pref("network.http.spdy.enabled.http2draft", false);
-// 2803: (42+) clear passwords on shutdown
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1102184
-   // user_pref("privacy.clearOnShutdown.passwords", false);
-// 3001a: (42+) disable warning when a domain requests full screen
-   // replaced by setting full-screen-api.warning.timeout to zero
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1160017
-   // user_pref("full-screen-api.approval-required", false);
-// ***/
-/* FF43
-// 0410's: disable safebrowsing urls & updates - replaced by various
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1107372
-   // user_pref("browser.safebrowsing.gethashURL", ""); // browser.safebrowsing.provider.google.gethashURL
-   // user_pref("browser.safebrowsing.updateURL", ""); // browser.safebrowsing.provider.google.updateURL
-user_pref("browser.safebrowsing.malware.reportURL", ""); // browser.safebrowsing.provider.google.reportURL
-// 0420's: disable tracking protection - replaced by various
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1107372
-   // user_pref("browser.trackingprotection.gethashURL", ""); // browser.safebrowsing.provider.mozilla.gethashURL
-   // user_pref("browser.trackingprotection.updateURL", ""); // browser.safebrowsing.provider.mozilla.updateURL
-// 1803: remove plugin finder service
-   // [1] http://kb.mozillazine.org/Pfs.datasource.url
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1202193
-user_pref("pfs.datasource.url", "");
-// 3003: disable new search panel UI
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1119250
-   // user_pref("browser.search.showOneOffButtons", false);
-// ***/
-/* FF44
-// 0414: disable safebrowsing's real-time binary checking (google) (FF43+)
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1237103
-user_pref("browser.safebrowsing.provider.google.appRepURL", ""); // browser.safebrowsing.appRepURL
-// 1200's: block rc4 whitelist
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1215796
-user_pref("security.tls.insecure_fallback_hosts.use_static_list", false);
-// 2301: disable SharedWorkers
-   // [1] https://bugs.torproject.org/15562
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1207635
-user_pref("dom.workers.sharedWorkers.enabled", false);
-// 2403: disable scripts changing images
-   // [TEST] http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_img_src2
-   // [WARNING] Will break some sites such as Google Maps and a lot of web apps
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=773429
-   // user_pref("dom.disable_image_src_set", true);
-// ***/
-/* FF45
-// 1021b: disable deferred level of storing extra session data 0=all 1=http-only 2=none
-   // extra session data contains contents of forms, scrollbar positions, cookies and POST data
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1235379
-user_pref("browser.sessionstore.privacy_level_deferred", 2);
-// ***/
-/* FF46
-// 0333a: disable health report
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1234526
-user_pref("datareporting.healthreport.service.enabled", false); // (hidden pref)
-user_pref("datareporting.healthreport.documentServerURI", ""); // (hidden pref)
-// 0334b: disable FHR (Firefox Health Report) v2 data being sent to Mozilla servers
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1234522
-user_pref("datareporting.policy.dataSubmissionEnabled.v2", false);
-// 0373: disable "Pocket" - replaced by extensions.pocket.*
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1215694
-user_pref("browser.pocket.enabled", false);
-user_pref("browser.pocket.api", "");
-user_pref("browser.pocket.site", "");
-user_pref("browser.pocket.oAuthConsumerKey", "");
-// 0414: disable safebrowsing pref - replaced by browser.safebrowsing.downloads.remote.url
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1239587
-user_pref("browser.safebrowsing.appRepURL", ""); // Google application reputation check
-// 0420: disable polaris (part of Tracking Protection, never used in stable)
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1235565
-   // user_pref("browser.polaris.enabled", false);
-// ***/
-/* FF47
-// 0330b: set unifiedIsOptIn to make sure telemetry respects OptIn choice and that telemetry
-   // is enabled ONLY for people that opted into it, even if unified Telemetry is enabled
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1236580
-user_pref("toolkit.telemetry.unifiedIsOptIn", true); // (hidden pref)
-// 0333b: disable about:healthreport page UNIFIED
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1236580
-user_pref("datareporting.healthreport.about.reportUrlUnified", "data:text/plain,");
-// 0807: disable history manipulation
-   // [1] https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Manipulating_the_browser_history
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1249542
-user_pref("browser.history.allowPopState", false);
-user_pref("browser.history.allowPushState", false);
-user_pref("browser.history.allowReplaceState", false);
-// ***/
-/* FF48
-// 0806: disable 'unified complete': 'Search with [default search engine]'
-   // [-] http://techdows.com/2016/05/firefox-unified-complete-aboutconfig-preference-removed.html
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1181078
-user_pref("browser.urlbar.unifiedcomplete", false);
-// ***/
-/* FF49
-// 0372: disable "Hello"
-   // [1] https://www.mozilla.org/en-US/privacy/firefox-hello/
-   // [2] https://security.stackexchange.com/questions/94284/how-secure-is-firefox-hello
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1287827
-user_pref("loop.enabled", false);
-user_pref("loop.server", "");
-user_pref("loop.feedback.formURL", "");
-user_pref("loop.feedback.manualFormURL", "");
-user_pref("loop.facebook.appId", "");
-user_pref("loop.facebook.enabled", false);
-user_pref("loop.facebook.fallbackUrl", "");
-user_pref("loop.facebook.shareUrl", "");
-user_pref("loop.logDomains", false);
-// 2202: disable new window scrollbars being hidden
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1257887
-user_pref("dom.disable_window_open_feature.scrollbars", true);
-// 2303: disable push notification (UDP wake-up)
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1265914
-user_pref("dom.push.udp.wakeupEnabled", false);
-// ***/
-/* FF50
-// 0101: disable Windows10 intro on startup [WINDOWS]
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1274633
-user_pref("browser.usedOnWindows10.introURL", "");
-// 0308: disable plugin update notifications
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1277905
-user_pref("plugins.update.notifyUser", false);
-// 0410: disable "Block dangerous and deceptive content" - replaced by browser.safebrowsing.phishing.enabled
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1025965
-   // user_pref("browser.safebrowsing.enabled", false);
-// 1266: disable rc4 ciphers
-   // [1] https://trac.torproject.org/projects/tor/ticket/17369
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1268728
-   // [-] https://www.fxsitecompat.com/en-CA/docs/2016/rc4-support-has-been-completely-removed/
-user_pref("security.ssl3.ecdhe_ecdsa_rc4_128_sha", false);
-user_pref("security.ssl3.ecdhe_rsa_rc4_128_sha", false);
-user_pref("security.ssl3.rsa_rc4_128_md5", false);
-user_pref("security.ssl3.rsa_rc4_128_sha", false);
-// 1809: remove Mozilla's plugin update URL
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1277905
-user_pref("plugins.update.url", "");
-// ***/
-/* FF51
-// 1851: delay play of videos until they're visible
-   // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1180563
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1262053
-user_pref("media.block-play-until-visible", true);
-// 2504: disable virtual reality devices
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1250244
-user_pref("dom.vr.oculus050.enabled", false);
-// 2614: disable SPDY
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1248197
-user_pref("network.http.spdy.enabled.v3-1", false);
-// ***/
-/* FF52
-// 1601: disable referer from an SSL Website
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1308725
-user_pref("network.http.sendSecureXSiteReferrer", false);
-// 1850: disable Adobe EME "Primetime CDM" (Content Decryption Module)
-   // [1] https://trac.torproject.org/projects/tor/ticket/16285
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1329538 // FF52
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1337121 // FF52
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1329543 // FF53
-user_pref("media.gmp-eme-adobe.enabled", false);
-user_pref("media.gmp-eme-adobe.visible", false);
-user_pref("media.gmp-eme-adobe.autoupdate", false);
-// 2405: disable WebTelephony API
-   // [1] https://wiki.mozilla.org/WebAPI/Security/WebTelephony
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1309719
-user_pref("dom.telephony.enabled", false);
-// 2502: disable Battery Status API. Initially a Linux issue (high precision readout) that
-   // was fixed. However, it is still another metric for fingerprinting, used to raise entropy.
-   // eg: do you have a battery or not, current charging status, charge level, times remaining etc
-   // [1] http://techcrunch.com/2015/08/04/battery-attributes-can-be-used-to-track-web-users/
-   // [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1124127
-   // [3] https://www.w3.org/TR/battery-status/
-   // [4] https://www.theguardian.com/technology/2016/aug/02/battery-status-indicators-tracking-online
-   // [NOTE] From FF52+ Battery Status API is only available in chrome/privileged code.
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1313580
-user_pref("dom.battery.enabled", false);
-// ***/
-/* FF53
-// 1265: block rc4 fallback
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1130670
-user_pref("security.tls.unrestricted_rc4_fallback", false);
-// 1806: disable Acrobat, Quicktime, WMP (the string = min version number allowed)
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1317109
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1317110
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1317108
-user_pref("plugin.scan.Acrobat", "99999");
-user_pref("plugin.scan.Quicktime", "99999");
-user_pref("plugin.scan.WindowsMediaPlayer", "99999");
-// 2022: disable screensharing
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1329562
-user_pref("media.getusermedia.screensharing.allow_on_old_platforms", false);
-// 2507: disable keyboard fingerprinting
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1322736
-user_pref("dom.beforeAfterKeyboardEvent.enabled", false);
-// ***/
-/* FF54
-// 0415: disable reporting URLs (safe browsing)
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1288633
-user_pref("browser.safebrowsing.reportMalwareMistakeURL", "");
-user_pref("browser.safebrowsing.reportPhishMistakeURL", "");
-// 1830: block websites detecting DRM is disabled
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1242321
-user_pref("media.eme.apiVisible", false);
-// 2425: disable Archive Reader API
-   // i.e reading archive contents directly in the browser, through DOM file objects
-   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1342361
-user_pref("dom.archivereader.enabled", false);
-// ***/
+/******
+* name: ghacks user.js
+* date: 14 June 2017
+* version 54: Pantsthumping
+*   "I get pulled down, but I get up again, you're never gonna keep me down"
+* authors: v52+ github | v51- www.ghacks.net
+* url: https://github.com/ghacksuserjs/ghacks-user.js
+
+* releases: These are end-of-stable-life-cycle legacy archives.
+            *Always* use the master branch user.js for a current up-to-date version.
+       url: https://github.com/ghacksuserjs/ghacks-user.js/releases
+
+* README:
+
+  1. READ the full README
+     * https://github.com/ghacksuserjs/ghacks-user.js/blob/master/README.md
+  2. READ this
+     * https://github.com/ghacksuserjs/ghacks-user.js/wiki/1.3-Implementation
+  3. If you skipped steps 1 and 2 above (shame on you), then here is the absolute minimum
+     * Auto-installing updates for Firefox and extensions/addon-ons are disabled (section 0302's)
+     * Some user data is erased (section 2800), namely history (browsing, form, download)
+     * Site breakage WILL happen
+         - There are often trade-offs and conflicts between Security vs Privacy vs Anti-Fingerprinting
+           and these need to be balanced against Functionality & Convenience & Breakage
+     * You will need to make a few changes to suit your own needs
+         - Search this file for the "[SETUP]" tag to find SOME common items you could check
+           before using to avoid unexpected surprises
+         - Search this file for the "[WARNING]" tag to troubleshoot or prevent SOME common issues
+  4. BACKUP BACKUP BACKUP your profile folder before implementing (and/or test in a new profile)
+  5. Did you do a BACKUP?
+
+ ******/
+
+/* START: internal custom pref to test for syntax errors (thanks earthling)
+ * Yes, this next pref setting is redundant, but we like it!
+ * [1] https://en.wikipedia.org/wiki/Dead_parrot
+ * [2] https://en.wikipedia.org/wiki/Warrant_canary ***/
+user_pref("ghacks_user.js.parrot", "Oh yes, the Norwegian Blue... what's wrong with it?");
+
+/* 0001: start Firefox in PB (Private Browsing) mode
+ * [SETTING] Options>Privacy>History>Custom Settings>Always use private browsing mode
+ * [NOTE] In this mode *all* windows are "private windows" and the PB mode icon is not displayed
+ * [NOTE] The P in PB mode is misleading: it means no "persistent" local storage of history,
+ * caches, searches or cookies (which you can achieve in normal mode). In fact, it limits or
+ * removes the ability to control these, and you need to quit Firefox to clear them. PB is best
+ * used as a one off window (File>New Private Window) to provide a temporary self-contained
+ * new instance. Closing all Private Windows clears all traces. Repeat as required.
+ * [1] https://wiki.mozilla.org/Private_Browsing ***/
+   // user_pref("browser.privatebrowsing.autostart", true);
+
+/*** 0100: STARTUP ***/
+user_pref("ghacks_user.js.parrot", "0100 syntax error: the parrot's dead!");
+/* 0101: disable "slow startup" options
+ * warnings, disk history, welcomes, intros, EULA, default browser check ***/
+user_pref("browser.slowStartup.notificationDisabled", true);
+user_pref("browser.slowStartup.maxSamples", 0);
+user_pref("browser.slowStartup.samples", 0);
+user_pref("browser.rights.3.shown", true);
+user_pref("browser.startup.homepage_override.mstone", "ignore");
+user_pref("startup.homepage_welcome_url", "");
+user_pref("startup.homepage_welcome_url.additional", "");
+user_pref("startup.homepage_override_url", ""); // what's new page after updates
+user_pref("browser.laterrun.enabled", false);
+user_pref("browser.shell.checkDefaultBrowser", false);
+/* 0102: set start page (0=blank, 1=home, 2=last visited page, 3=resume previous session)
+ * home = browser.startup.homepage preference.
+ * [SETTING] Options>General>Startup>When Firefox starts ***/
+   // user_pref("browser.startup.page", 0);
+
+/*** 0200: GEOLOCATION ***/
+user_pref("ghacks_user.js.parrot", "0200 syntax error: the parrot's definitely deceased!");
+/* 0201: disable location-aware browsing, but enforce Mozilla's service over Google's ***/
+user_pref("geo.enabled", false);
+user_pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
+user_pref("geo.wifi.xhr.timeout", 1); // reset this if you use geolocation
+user_pref("geo.wifi.logging.enabled", false); // (hidden pref)
+user_pref("browser.search.geoip.url", "");
+user_pref("browser.search.geoip.timeout", 1);
+/* 0202: disable GeoIP-based search results
+ * [NOTE] May not be hidden if Firefox has changed your settings due to your locale
+ * [1] https://trac.torproject.org/projects/tor/ticket/16254 ***/
+user_pref("browser.search.countryCode", "US"); // (hidden pref)
+user_pref("browser.search.region", "US"); // (hidden pref)
+/* 0203: disable using OS locale, force APP locale ***/
+user_pref("intl.locale.matchOS", false);
+/* 0204: set APP locale ***/
+user_pref("general.useragent.locale", "en-US");
+/* 0206: disable geographically specific results/search engines eg: "browser.search.*.US"
+ * i.e ignore all of Mozilla's various search engines in multiple locales ***/
+user_pref("browser.search.geoSpecificDefaults", false);
+user_pref("browser.search.geoSpecificDefaults.url", "");
+/* 0207: set language to match ***/
+user_pref("intl.accept_languages", "en-US, en");
+/* 0208: enforce US English locale regardless of the system locale
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=867501 ***/
+user_pref("javascript.use_us_english_locale", true); // (hidden pref)
+/* 0209: disable geolocation on non-secure origins (FF55+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1072859
+ * [2] https://www.ghacks.net/2017/03/14/firefox-55-geolocation-requires-secure-origin/ ***/
+user_pref("geo.security.allowinsecure", false);
+
+/*** 0300: QUIET FOX
+     We choose to not disable auto-CHECKs (0301's) but to disable auto-INSTALLs (0302's).
+     There are many legitimate reasons to turn off auto-INSTALLS, including hijacked or
+     monetized extensions, time constraints, legacy issues, and fear of breakage/bugs.
+     It is still important to do updates for security reasons, please do so manually. ***/
+user_pref("ghacks_user.js.parrot", "0300 syntax error: the parrot's not pinin' for the fjords!");
+/* 0301a: disable auto-update checks for Firefox
+ * [NOTE} Firefox currently checks every 12 hrs and allows 8 day notification dismissal
+ * [SETTING] Options>Advanced>Update>Never check for updates ***/
+   // user_pref("app.update.enabled", false);
+/* 0301b: disable auto-update checks for add-ons ***/
+   // user_pref("extensions.update.enabled", false);
+/* 0302a: disable auto update installing for Firefox (after the check in 0301a)
+ * [SETTING] Options>Advanced>Update>Check for updates but let you choose whether to install them
+ * [NOTE] The UI checkbox also controls the behavior for checking, the pref only controls auto installing ***/
+user_pref("app.update.auto", false);
+/* 0302b: disable auto update installing for add-ons (after the check in 0301b)
+ * [SETTING] about:addons>Extensions>Settings[gear-icon]>Update Addons Automatically (toggle) ***/
+user_pref("extensions.update.autoUpdateDefault", false);
+/* 0303: disable background update service [WINDOWS]
+ * [SETTING] Options>Advanced>Update>Use a background service to install updates ***/
+user_pref("app.update.service.enabled", false);
+/* 0304: disable background update staging ***/
+user_pref("app.update.staging.enabled", false);
+/* 0305: enforce update information is displayed
+ * This is the update available, downloaded, error and success information ***/
+user_pref("app.update.silent", false);
+/* 0306: disable add-on metadata updating
+ * sends daily pings to Mozilla about extensions and recent startups ***/
+user_pref("extensions.getAddons.cache.enabled", false);
+/* 0307: disable auto updating of personas (themes) ***/
+user_pref("lightweightThemes.update.enabled", false);
+/* 0308: disable search update
+ * [SETTING] Options>Advanced>Update>Automatically update: Search Engines ***/
+user_pref("browser.search.update", false);
+/* 0309: disable sending Flash crash reports ***/
+user_pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false);
+/* 0310: disable sending the URL of the website where a plugin crashed ***/
+user_pref("dom.ipc.plugins.reportCrashURL", false);
+/* 0320: disable extension discovery
+ * featured extensions for displaying in Get Add-ons panel ***/
+user_pref("extensions.webservice.discoverURL", "http://127.0.0.1");
+/* 0330: disable telemetry
+ * the pref (.unified) affects the behaviour of the pref (.enabled)
+ * IF unified=false then .enabled controls the telemetry module
+ * IF unified=true then .enabled ONLY controls whether to record extended data
+ * so make sure to have both set as false
+ * [1] https://gecko.readthedocs.org/en/latest/toolkit/components/telemetry/telemetry/preferences.html ***/
+user_pref("toolkit.telemetry.unified", false);
+user_pref("toolkit.telemetry.enabled", false);
+/* 0331: remove url of server telemetry pings are sent to ***/
+user_pref("toolkit.telemetry.server", "");
+/* 0332: disable archiving pings locally - irrelevant if toolkit.telemetry.unified is false ***/
+user_pref("toolkit.telemetry.archive.enabled", false);
+/* 0333a: disable health report ***/
+user_pref("datareporting.healthreport.uploadEnabled", false);
+/* 0333b: disable about:healthreport page (which connects to Mozilla for locale/css+js+json)
+ * If you have disabled health reports, then this about page is useless - disable it
+ * If you want to see what health data is present, then this must be set at default ***/
+user_pref("datareporting.healthreport.about.reportUrl", "data:text/plain,");
+/* 0334: disable new data submission, master kill switch (FF41+)
+ * If disabled, no policy is shown or upload takes place, ever
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1195552 ***/
+user_pref("datareporting.policy.dataSubmissionEnabled", false);
+/* 0335: remove telemetry clientID ***/
+user_pref("toolkit.telemetry.cachedClientID", "");
+/* 0336: disable "Heartbeat" (Mozilla user rating telemetry)
+ * [1] https://trac.torproject.org/projects/tor/ticket/18738 ***/
+user_pref("browser.selfsupport.enabled", false); // (hidden pref)
+user_pref("browser.selfsupport.url", "");
+/* 0340: disable experiments
+ * [1] https://wiki.mozilla.org/Telemetry/Experiments ***/
+user_pref("experiments.enabled", false);
+user_pref("experiments.manifest.uri", "");
+user_pref("experiments.supported", false);
+user_pref("experiments.activeExperiment", false);
+/* 0341: disable Mozilla permission to silently opt you into tests ***/
+user_pref("network.allow-experiments", false);
+/* 0350: disable crash reports ***/
+user_pref("breakpad.reportURL", "");
+/* 0351: disable sending of crash reports (FF44+) ***/
+user_pref("browser.tabs.crashReporting.sendReport", false);
+user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // (FF51+)
+user_pref("browser.crashReports.unsubmittedCheck.autoSubmit", false); // (FF51+)
+/* 0360: disable new tab tile ads & preload & marketing junk ***/
+user_pref("browser.newtab.preload", false);
+user_pref("browser.newtabpage.directory.ping", "data:text/plain,");
+user_pref("browser.newtabpage.directory.source", "data:text/plain,");
+user_pref("browser.newtabpage.enabled", false);
+user_pref("browser.newtabpage.enhanced", false);
+user_pref("browser.newtabpage.introShown", true);
+/* 0361: disable Activity Stream (system addon) (FF54+)
+ * [1] https://wiki.mozilla.org/Firefox/Activity_Stream ***/
+user_pref("browser.newtabpage.activity-stream.enabled", false);
+/* 0370: disable "Snippets" (Mozilla content shown on about:home screen)
+ * MUST use HTTPS - arbitrary content injected into this page via http opens up MiTM attacks
+ * [1] https://wiki.mozilla.org/Firefox/Projects/Firefox_Start/Snippet_Service ***/
+user_pref("browser.aboutHomeSnippets.updateUrl", "https://127.0.0.1");
+/* 0373: disable "Pocket" (third party "save for later" service) & remove urls for good measure
+ * [NOTE] Important: Remove the pocket icon from your toolbar first
+ * [1] https://www.gnu.gl/blog/Posts/multiple-vulnerabilities-in-pocket/ ***/
+user_pref("extensions.pocket.enabled", false);
+user_pref("extensions.pocket.api", "");
+user_pref("extensions.pocket.site", "");
+user_pref("extensions.pocket.oAuthConsumerKey", "");
+/* 0374: disable "social" integration
+ * [1] https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Social_API ***/
+user_pref("social.whitelist", "");
+user_pref("social.toast-notifications.enabled", false);
+user_pref("social.shareDirectory", "");
+user_pref("social.remote-install.enabled", false);
+user_pref("social.directories", "");
+user_pref("social.share.activationPanelEnabled", false);
+user_pref("social.enabled", false); // (hidden pref)
+/* 0376: disable FlyWeb, a set of APIs for advertising and discovering local-area web servers
+ * [1] https://wiki.mozilla.org/FlyWeb
+ * [2] http://www.ghacks.net/2016/07/26/firefox-flyweb/ ***/
+user_pref("dom.flyweb.enabled", false);
+
+/*** 0400: BLOCKLISTS / SAFE BROWSING / TRACKING PROTECTION
+     This section has security & tracking protection implications vs privacy concerns vs effectiveness
+     vs 3rd party 'censorship'. We DO NOT advocate no protection. If you disable Tracking Protection (TP)
+     and/or Safe Browsing (SB), then SECTION 0400 REQUIRES YOU HAVE uBLOCK ORIGIN INSTALLED.
+
+     Safe Browsing is designed to protect users from malicious sites. Tracking Protection is designed to
+     lessen the impact of third parties on websites to reduce tracking and to speed up your browsing. They
+     do rely on 3rd parties: Google for safe browsing and Disconnect for tracking protection. but many steps,
+     continually being improved, have been taken to preserve privacy. Disable at your own risk.
+***/
+user_pref("ghacks_user.js.parrot", "0400 syntax error: the parrot's passed on!");
+/** BLOCKLISTS ***/
+/* 0401: enable Firefox blocklist, but sanitize blocklist url
+ * [NOTE] It includes updates for "revoked certificates"
+ * [1] https://blog.mozilla.org/security/2015/03/03/revoking-intermediate-certificates-introducing-onecrl
+ * [2] https://trac.torproject.org/projects/tor/ticket/16931 ***/
+user_pref("extensions.blocklist.enabled", true);
+user_pref("extensions.blocklist.url", "https://blocklists.settings.services.mozilla.com/v1/blocklist/3/%APP_ID%/%APP_VERSION%/");
+/* 0402: enable Kinto blocklist updates (FF50+)
+ * What is Kinto?: https://wiki.mozilla.org/Firefox/Kinto#Specifications
+ * As Firefox transitions to Kinto, the blocklists have been broken down into entries for certs to be
+ * revoked, add-ons and plugins to be disabled, and gfx environments that cause problems or crashes ***/
+user_pref("services.blocklist.update_enabled", true);
+user_pref("services.blocklist.signing.enforced", true);
+/* 0403: disable individual unwanted/unneeded parts of the Kinto blocklists ***/
+   // user_pref("services.blocklist.onecrl.collection", ""); // revoked certificates
+   // user_pref("services.blocklist.addons.collection", "");
+   // user_pref("services.blocklist.plugins.collection", "");
+   // user_pref("services.blocklist.gfx.collection", "");
+/** SAFE BROWSING (SB)
+    This sub-section has been redesigned to differentiate between "real-time"/"user initiated"
+    data being sent to Google from all other settings such as using local blocklists/whitelists and
+    updating those lists. There are NO privacy issues here. *IF* required, a full url is never sent
+    to Google, only a PART-hash of the prefix, and this is hidden with noise of other real PART-hashes.
+    Google also swear it is anonymized and only used to flag malicious sites/activity. Firefox
+    also takes measures such as striping out identifying parameters and storing safe browsing
+    cookies in a separate jar. (#Turn on browser.safebrowsing.debug to monitor this activity)
+    #Required reading [#] https://feeding.cloud.geek.nz/posts/how-safe-browsing-works-in-firefox/
+    [1] https://wiki.mozilla.org/Security/Safe_Browsing ***/
+/* 0410: disable "Block dangerous and deceptive content" (under Options>Security)
+ * This covers deceptive sites such as phishing and social engineering ***/
+   // user_pref("browser.safebrowsing.malware.enabled", false);
+   // user_pref("browser.safebrowsing.phishing.enabled", false); // (FF50+)
+/* 0411: disable "Block dangerous downloads" (under Options>Security)
+ * This covers malware and PUPs (potentially unwanted programs) ***/
+   // user_pref("browser.safebrowsing.downloads.enabled", false);
+/* 0412: disable "Warn me about unwanted and uncommon software" (under Options>Security) (FF48+) ***/
+   // user_pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false);
+   // user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false);
+   // user_pref("browser.safebrowsing.downloads.remote.block_dangerous", false); // (FF49+)
+   // user_pref("browser.safebrowsing.downloads.remote.block_dangerous_host", false); // (FF49+)
+/* 0413: disable Google safebrowsing updates ***/
+   // user_pref("browser.safebrowsing.provider.google.updateURL", "");
+   // user_pref("browser.safebrowsing.provider.google.gethashURL", "");
+   // user_pref("browser.safebrowsing.provider.google4.updateURL", ""); // (FF50+)
+   // user_pref("browser.safebrowsing.provider.google4.gethashURL", ""); // (FF50+)
+/* 0414: disable binaries NOT in local lists being checked by Google (real-time checking) ***/
+user_pref("browser.safebrowsing.downloads.remote.enabled", false);
+user_pref("browser.safebrowsing.downloads.remote.url", "");
+/* 0415: disable reporting URLs ***/
+user_pref("browser.safebrowsing.provider.google.reportURL", "");
+user_pref("browser.safebrowsing.reportPhishURL", "");
+user_pref("browser.safebrowsing.provider.google4.reportURL", ""); // (FF50+)
+user_pref("browser.safebrowsing.provider.google.reportMalwareMistakeURL", ""); // (FF54+)
+user_pref("browser.safebrowsing.provider.google.reportPhishMistakeURL", ""); // (FF54+)
+user_pref("browser.safebrowsing.provider.google4.reportMalwareMistakeURL", ""); // (FF54+)
+user_pref("browser.safebrowsing.provider.google4.reportPhishMistakeURL", ""); // (FF54+)
+/* 0416: disable 'ignore this warning' on Safe Browsing warnings which when clicked
+ * bypasses the block for that session. This is a means for admins to enforce SB
+ * [TEST] see github wiki APPENDIX C: Test Sites: Section 5
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1226490 ***/
+   // user_pref("browser.safebrowsing.allowOverride", false);
+/** TRACKING PROTECTION (TP)
+    There are NO privacy concerns here, but we strongly recommend to use uBlock Origin as well,
+    as it offers more comprehensive and specialized lists. It also allows per domain control. ***/
+/* 0420: enable Tracking Protection in all windows
+ * [1] https://wiki.mozilla.org/Security/Tracking_protection
+ * [2] https://support.mozilla.org/en-US/kb/tracking-protection-firefox ***/
+user_pref("privacy.trackingprotection.pbmode.enabled", true);
+user_pref("privacy.trackingprotection.enabled", true);
+/* 0421: enable more Tracking Protection choices under Options>Privacy>Use Tracking Protection
+ * Displays three choices: "Always", "Only in private windows", "Never" ***/
+user_pref("privacy.trackingprotection.ui.enabled", true);
+/* 0422: enable "basic" or "strict" tracking protecting list - ONLY USE ONE!
+ * [SETTING] Options>Privacy>Use Tracking Protection>Change Block List ***/
+   // user_pref("urlclassifier.trackingTable", "test-track-simple,base-track-digest256"); // basic
+   // user_pref("urlclassifier.trackingTable", "test-track-simple,base-track-digest256,content-track-digest256"); // strict
+/* 0423: disable Mozilla's blocklist for known Flash tracking/fingerprinting (FF48+)
+ * [1] http://www.ghacks.net/2016/07/18/firefox-48-blocklist-against-plugin-fingerprinting/
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1237198 ***/
+   // user_pref("browser.safebrowsing.blockedURIs.enabled", false);
+/* 0424: disable Mozilla's tracking protection and Flash blocklist updates ***/
+   // user_pref("browser.safebrowsing.provider.mozilla.gethashURL", "");
+   // user_pref("browser.safebrowsing.provider.mozilla.updateURL", "");
+
+/*** 0600: BLOCK IMPLICIT OUTBOUND [not explicitly asked for - eg clicked on] ***/
+user_pref("ghacks_user.js.parrot", "0600 syntax error: the parrot's no more!");
+/* 0601: disable link prefetching
+ * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ ***/
+user_pref("network.prefetch-next", false);
+/* 0602: disable DNS prefetching
+ * [1] http://www.ghacks.net/2013/04/27/firefox-prefetching-what-you-need-to-know/
+ * [2] https://developer.mozilla.org/en-US/docs/Web/HTTP/Controlling_DNS_prefetching ***/
+user_pref("network.dns.disablePrefetch", true);
+user_pref("network.dns.disablePrefetchFromHTTPS", true); // (hidden pref)
+/* 0603a: disable Seer/Necko
+ * [1] https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Necko ***/
+user_pref("network.predictor.enabled", false);
+/* 0603b: disable more Necko/Captive Portal
+ * [1] https://en.wikipedia.org/wiki/Captive_portal
+ * [2] https://wiki.mozilla.org/Necko/CaptivePortal
+ * [3] https://trac.torproject.org/projects/tor/ticket/21790 ***/
+user_pref("captivedetect.canonicalURL", "");
+user_pref("network.captive-portal-service.enabled", false); // (FF52+)
+/* 0605: disable link-mouseover opening connection to linked server
+ * [1] http://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests
+ * [2] http://www.ghacks.net/2015/08/16/block-firefox-from-connecting-to-sites-when-you-hover-over-links ***/
+user_pref("network.http.speculative-parallel-limit", 0);
+/* 0606: disable pings (but enforce same host in case)
+ * [1] http://kb.mozillazine.org/Browser.send_pings
+ * [2] http://kb.mozillazine.org/Browser.send_pings.require_same_host ***/
+user_pref("browser.send_pings", false);
+user_pref("browser.send_pings.require_same_host", true);
+/* 0607: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS]
+ * [1] http://www.ghacks.net/2016/03/25/block-firefox-chrome-windows-store/ ***/
+user_pref("network.protocol-handler.external.ms-windows-store", false);
+/* 0608: disable predictor / prefetching (FF48+) ***/
+user_pref("network.predictor.enable-prefetch", false);
+
+/*** 0800: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS [SETUP]
+     If you are in a private environment (no unwanted eyeballs) and your device is private
+     (restricted access), and the device is secure when unattended (locked, encrypted, forensic
+     hardened), then items 0850 and above can be relaxed in return for more convenience and
+     functionality. Likewise, you may want to check the items cleared on shutdown in section 2800.
+     [NOTE] The urlbar is also commonly referred to as the location bar and address bar
+     #Required reading [#] https://xkcd.com/538/
+ ***/
+user_pref("ghacks_user.js.parrot", "0800 syntax error: the parrot's ceased to be!");
+/* 0801: disable location bar using search - PRIVACY
+ * don't leak typos to a search engine, give an error message instead ***/
+user_pref("keyword.enabled", false);
+/* 0802: disable location bar domain guessing - PRIVACY/SECURITY
+ * domain guessing intercepts DNS "hostname not found errors" and resends a
+ * request (eg by adding www or .com). This is inconsistent use (eg FQDNs), does not work
+ * via Proxy Servers (different error), is a flawed use of DNS (TLDs: why treat .com
+ * as the 411 for DNS errors?), privacy issues (why connect to sites you didn't
+ * intend to), can leak sensitive data (eg query strings: eg Princeton attack),
+ * and is a security risk (eg common typos & malicious sites set up to exploit this) ***/
+user_pref("browser.fixup.alternate.enabled", false);
+/* 0803: display all parts of the url in the location bar - helps SECURITY ***/
+user_pref("browser.urlbar.trimURLs", false);
+/* 0804: limit history leaks via enumeration (PER TAB: back/forward) - PRIVACY
+ * This is a PER TAB session history. You still have a full history stored under all history
+ * default=50, minimum=1=currentpage, 2 is the recommended minimum as some pages
+ * use it as a means of referral (eg hotlinking), 4 or 6 or 10 may be more practical ***/
+user_pref("browser.sessionhistory.max_entries", 10);
+/* 0805: disable CSS querying page history - CSS history leak - PRIVACY
+ * [NOTE] This has NEVER been fully "resolved": in Mozilla/docs it is stated it's
+ * only in 'certain circumstances', also see latest comments in [2]
+ * [TEST] http://lcamtuf.coredump.cx/yahh/ (see github wiki APPENDIX C on how to use)
+ * [1] https://dbaron.org/mozilla/visited-privacy
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=147777
+ * [3] https://developer.mozilla.org/en-US/docs/Web/CSS/Privacy_and_the_:visited_selector ***/
+user_pref("layout.css.visited_links_enabled", false);
+/* 0806: disable displaying javascript in history URLs - SECURITY ***/
+user_pref("browser.urlbar.filter.javascript", true);
+/* 0807: disable search bar LIVE search suggestions - PRIVACY
+ * [SETTING] Options>Search>Provide search suggestions ***/
+user_pref("browser.search.suggest.enabled", false);
+/* 0808: disable location bar LIVE search suggestions (requires 0807 = true) - PRIVACY
+ * Also disable the location bar prompt to enable/disable or learn more about it.
+ * [SETTING] Options>Search>Show search suggestions in location bar results ***/
+user_pref("browser.urlbar.suggest.searches", false);
+user_pref("browser.urlbar.userMadeSearchSuggestionsChoice", true); // (FF41+)
+/* 0809: disable location bar suggesting "preloaded" top websites (FF54+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1211726 ***/
+user_pref("browser.urlbar.usepreloadedtopurls.enabled", false);
+/* 0850a: disable location bar autocomplete [controlled by 0850b]
+   // user_pref("browser.urlbar.autocomplete.enabled", false);
+/* 0850b: disable location bar suggestion types [controls 0850a]
+ * [SETTING] Options>Privacy>Location Bar>When using the location bar, suggest
+ * [NOTE] If any of these are true, 0850a will be FORCED to true
+ * and if all three are false, 0850a will be FORCED to false
+ * [WARNING] If all three are false, search engine keywords are disabled ***/
+user_pref("browser.urlbar.suggest.history", false);
+user_pref("browser.urlbar.suggest.bookmark", false);
+user_pref("browser.urlbar.suggest.openpage", false);
+/* 0850c: disable location bar dropdown
+ * This value controls the total number of entries to appear in the location bar dropdown
+ * [NOTE] Items (bookmarks/history/openpages) with a high "frecency"/"bonus" will always
+ * be displayed (no we do not know how these are calculated or what the threshold is),
+ * and this does not affect the search by search engine suggestion (see 0808)
+ * [USAGE] This setting is only useful if you want to enable search engine keywords
+ * (i.e at least one of 0850b must be true) but you want to *limit* suggestions shown ***/
+   // user_pref("browser.urlbar.maxRichResults", 0);
+/* 0850d: disable location bar autofill
+ * [1] http://kb.mozillazine.org/Inline_autocomplete ***/
+user_pref("browser.urlbar.autoFill", false);
+user_pref("browser.urlbar.autoFill.typed", false);
+/* 0850e: disable location bar one-off searches (FF51+)
+ * [1] http://www.ghacks.net/2016/08/09/firefox-one-off-searches-address-bar/ ***/
+user_pref("browser.urlbar.oneOffSearches", false);
+/* 0860: disable search and form history
+ * [SETTING] Options>Privacy>History>Custom Settings>Remember search and form history
+ * [NOTE] You can clear formdata on exiting Firefox (see 2803) ***/
+   // user_pref("browser.formfill.enable", false);
+/* 0861: disable saving form history on secure websites
+ * For convenience & functionality, this is best left at default true,
+ * especially as the web moves more and more to encrypted services
+ * You can clear form history on exiting Firefox (see 2803) ***/
+   // user_pref("browser.formfill.saveHttpsForms", false);
+/* 0862: disable browsing and download history
+ * [SETTING] Options>Privacy>History>Custom Settings>Remember my browsing and download history
+ * [NOTE] You can clear history and downloads on exiting Firefox (see 2803) ***/
+   // user_pref("places.history.enabled", false);
+/* 0863: disable Form Autofill (FF54+)
+ * [1] https://www.ghacks.net/2017/05/24/firefoxs-new-form-autofill-is-awesome/
+ * [2] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/
+user_pref("browser.formautofill.enabled", false);
+/* 0870: disable Windows jumplist [WINDOWS] ***/
+user_pref("browser.taskbar.lists.enabled", false);
+user_pref("browser.taskbar.lists.frequent.enabled", false);
+user_pref("browser.taskbar.lists.recent.enabled", false);
+user_pref("browser.taskbar.lists.tasks.enabled", false);
+/* 0871: disable Windows taskbar preview [WINDOWS] ***/
+user_pref("browser.taskbar.previews.enable", false);
+
+/*** 0900: PASSWORDS ***/
+user_pref("ghacks_user.js.parrot", "0900 syntax error: the parrot's expired!");
+/* 0901: disable saving passwords
+ * [SETTING] Options>Security>Logins>Remember logins for sites
+ * [NOTE] This does not clear any passwords already saved ***/
+   // user_pref("signon.rememberSignons", false);
+/* 0902: use a master password (recommended if you save passwords)
+ * There are no preferences for this. It is all handled internally.
+ * [SETTING] Options>Security>Logins>Use a master password
+ * [1] https://support.mozilla.org/en-US/kb/use-master-password-protect-stored-logins ***/
+/* 0903: set how often Firefox should ask for the master password
+ * 0=the first time (default), 1=every time it's needed, 2=every n minutes (as per the next pref) ***/
+user_pref("security.ask_for_password", 2);
+/* 0904: set how often in minutes Firefox should ask for the master password (see pref above)
+ * in minutes, default is 30 ***/
+user_pref("security.password_lifetime", 5);
+/* 0905: disable auto-filling username & password form fields - SECURITY
+ * can leak in cross-site forms AND be spoofed
+ * [NOTE] Password will still be auto-filled after a user name is manually entered
+ * [1] http://kb.mozillazine.org/Signon.autofillForms ***/
+user_pref("signon.autofillForms", false);
+/* 0906: disable websites' autocomplete="off" (FF30+)
+ * Don't let sites dictate use of saved logins and passwords. Increase security through
+ * stronger password use. The trade-off is the convenience. Some sites should never be
+ * saved (such as banking sites). Set at true, informed users can make their own choice. ***/
+user_pref("signon.storeWhenAutocompleteOff", true);
+/* 0907: display warnings for logins on non-secure (non HTTPS) pages
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1217156 ***/
+user_pref("security.insecure_password.ui.enabled", true);
+/* 0908: remove user & password info when attempting to fix an entered URL (i.e 0802 is true)
+ * e.g //user:password@foo -> //user@(prefix)foo(suffix) NOT //user:password@(prefix)foo(suffix) ***/
+user_pref("browser.fixup.hide_user_pass", true);
+/* 0909: disable formless login capture for Password Manager (FF51+) ***/
+user_pref("signon.formlessCapture.enabled", false);
+/* 0910: disable autofilling saved passwords on HTTP pages and show warning (FF52+)
+ * [1] https://www.fxsitecompat.com/en-CA/docs/2017/insecure-login-forms-now-disable-autofill-show-warning-beneath-input-control/
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1217152
+ * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=1319119 ***/
+user_pref("signon.autofillForms.http", false);
+user_pref("security.insecure_field_warning.contextual.enabled", true);
+
+/*** 1000: CACHE [SETUP] ***/
+user_pref("ghacks_user.js.parrot", "1000 syntax error: the parrot's gone to meet 'is maker!");
+/** CACHE ***/
+/* 1001: disable disk cache ***/
+user_pref("browser.cache.disk.enable", false);
+user_pref("browser.cache.disk.capacity", 0);
+user_pref("browser.cache.disk.smart_size.enabled", false);
+user_pref("browser.cache.disk.smart_size.first_run", false);
+/* 1002: disable disk cache for SSL pages
+ * [1] http://kb.mozillazine.org/Browser.cache.disk_cache_ssl ***/
+user_pref("browser.cache.disk_cache_ssl", false);
+/* 1003: disable memory cache
+ * [NOTE] Not recommended due to performance issues ***/
+   // user_pref("browser.cache.memory.enable", false);
+/* 1004: disable offline cache ***/
+user_pref("browser.cache.offline.enable", false);
+/* 1005: disable fastback cache
+ * To improve performance when pressing back/forward Firefox stores visited pages
+ * so they don't have to be re-parsed. This is not the same as memory cache.
+ * 0=none, -1=auto (that's minus 1), or for other values see [1]
+ * [NOTE] Not recommended unless you know what you're doing
+ * [1] http://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers ***/
+   // user_pref("browser.sessionhistory.max_total_viewers", 0);
+/* 1006: disable permissions manager from writing to disk (requires restart)
+ * [NOTE] This means any permission changes are session only
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=967812 ***/
+   // user_pref("permissions.memory_only", true); // (hidden pref)
+/* 1007: disable randomized FF HTTP cache decay experiments
+ * [1] https://trac.torproject.org/projects/tor/ticket/13575 ***/
+user_pref("browser.cache.frecency_experiment", -1);
+/* 1008: set DNS cache and expiration time (default 400 and 60, same as TBB) ***/
+   // user_pref("network.dnsCacheEntries", 400);
+   // user_pref("network.dnsCacheExpiration", 60);
+/** SESSIONS & SESSION RESTORE ***/
+/* 1020: disable the Session Restore service completely
+ * [WARNING] [SETUP] This also disables the "Recently Closed Tabs" feature
+ * It does not affect "Recently Closed Windows" or any history. ***/
+user_pref("browser.sessionstore.max_tabs_undo", 0);
+user_pref("browser.sessionstore.max_windows_undo", 0);
+/* 1021: disable storing extra session data
+ * extra session data contains contents of forms, scrollbar positions, cookies and POST data
+ * define on which sites to save extra session data:
+ * 0=everywhere, 1=unencrypted sites, 2=nowhere ***/
+user_pref("browser.sessionstore.privacy_level", 2);
+/* 1022: disable resuming session from crash [SETUP] ***/
+user_pref("browser.sessionstore.resume_from_crash", false);
+/* 1023: set the minimum interval between session save operations - increasing it
+ * can help on older machines and some websites, as well as reducing writes, see [1]
+ * Default is 15000 (15 secs). Try 30000 (30sec), 60000 (1min) etc
+ * [WARNING] This can also affect entries in the "Recently Closed Tabs" feature:
+ * i.e the longer the interval the more chance a quick tab open/close won't be captured.
+ * This longer interval *may* affect history but we cannot replicate any history not recorded
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1304389 ***/
+user_pref("browser.sessionstore.interval", 30000);
+/** FAVICONS ***/
+/* 1030: disable favicons in shortcuts
+ * URL shortcuts use a cached randomly named .ico file which is stored in your
+ * profile/shortcutCache directory. The .ico remains after the shortcut is deleted.
+ * If set to false then the shortcuts use a generic Firefox icon ***/
+user_pref("browser.shell.shortcutFavicons", false);
+/* 1031: disable favicons in tabs and new bookmarks
+ * bookmark favicons are stored as data blobs in places.sqlite>moz_favicons ***/
+   // user_pref("browser.chrome.site_icons", false);
+   // user_pref("browser.chrome.favicons", false);
+/* 1032: disable favicons in web notifications ***/
+user_pref("alerts.showFavicons", false);
+
+/*** 1100: MULTI-PROCESS (e10s)
+     We recommend you let Firefox handle this. Until e10s is enforced, if
+     - all your add-ons have the 'multiprocessCompatible' flag as true, then FF = e10s
+     - any add-ons have 'multiprocessCompatible' flag as false, then FF != e10s
+     - any add-ons are missing the 'multiprocessCompatible' flag, then they *might* be disabled (FF53+)
+     [1] https://blog.mozilla.org/addons/2017/02/16/the-road-to-firefox-57-compatibility-milestones/
+***/
+/* 1101: start the browser in e10s mode (FF48+)
+ * about:support>Application Basics>Multiprocess Windows ***/
+   // user_pref("browser.tabs.remote.autostart", true);
+   // user_pref("browser.tabs.remote.autostart.2", true); // (FF49+) (hidden pref)
+   // user_pref("browser.tabs.remote.force-enable", true); // (hidden pref)
+   // user_pref("extensions.e10sBlocksEnabling", false);
+/* 1102: control number of content rendering processes
+ * [1] http://www.ghacks.net/2016/02/15/change-how-many-processes-multi-process-firefox-uses/
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1207306 ***/
+   // user_pref("dom.ipc.processCount", 4);
+/* 1103: enable WebExtension add-on code to run in a separate process (webext-oop) (FF53+)
+ * [1] https://wiki.mozilla.org/WebExtensions/Implementing_APIs_out-of-process ***/
+   // user_pref("extensions.webextensions.remote", true);
+/* 1104: enforce separate content process for file://URLs (FF53+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1147911
+ * [2] http://www.ghacks.net/2016/11/27/firefox-53-exclusive-content-process-for-local-files/ ***/
+   // user_pref("browser.tabs.remote.separateFileUriProcess", true);
+/* 1105: enable console shim warnings for add-ons with the 'multiprocessCompatible' flag as false ***/
+user_pref("dom.ipc.shims.enabledWarnings", true);
+/* 1106: control number of WebExtension processes ***/
+   // user_pref("dom.ipc.processCount.extension", 1);
+/* 1110: set sandbox level. DO NOT MEDDLE WITH THESE. They are included to inform you NOT to play
+ * with them. The values are integers, but the code below deliberately contains a data mismatch
+ * [1] https://wiki.mozilla.org/Sandbox
+ * [2] http://www.ghacks.net/2017/01/23/how-to-change-firefoxs-sandbox-security-level/#comment-4105173 ***/
+   // user_pref("security.sandbox.content.level", "donotuse");
+   // user_pref("dom.ipc.plugins.sandbox-level.default", "donotuse");
+   // user_pref("dom.ipc.plugins.sandbox-level.flash", "donotuse");
+/* 1111: enable sandbox logging ***/
+   // user_pref("security.sandbox.logging.enabled", true);
+
+/*** 1200: HTTPS ( SSL/TLS / OCSP / CERTS / HSTS / HPKP / CIPHERS )
+   Note that your cipher and other settings can be used server side as a fingerprint attack
+   vector, see [1] (It's quite technical but the first part is easy to understand
+   and you can stop reading when you reach the second section titled "Enter Bro")
+
+   Option 1: Use our settings to tighten up encryption options. It *is* a fingerprinting attack
+             vector, and we certainly do want to reduce any attack surface, but this is not how
+             you *DEFEAT* fingerprinting - to do that you need large numbers to buy into the same
+             enforced browser-wide settings (such as TBB), and/or you use OpSec.
+   Option 2: Use Firefox defaults for the 1260's items (item 1260 default for SHA-1, is local only
+             anyway). There is nothing *weak* about Firefox's defaults, but Mozilla (and other
+             browsers) will always lag for fear of breakage and upset end-users
+
+   [1] https://www.securityartwork.es/2017/02/02/tls-client-fingerprinting-with-bro/
+ ***/
+user_pref("ghacks_user.js.parrot", "1200 syntax error: the parrot's a stiff!");
+/** SSL (Secure Sockets Layer) / TLS (Transport Layer Security) ***/
+/* 1201: disable old SSL/TLS - vulnerable to a MiTM attack
+ * [WARNING] Tested Feb 2017 - still breaks too many sites
+ * [1] https://wiki.mozilla.org/Security:Renegotiation ***/
+   // user_pref("security.ssl.require_safe_negotiation", true);
+/* 1202: control TLS versions with min and max
+ * 1=min version of TLS 1.0, 2=min version of TLS 1.1, 3=min version of TLS 1.2 etc
+ * [WARNING] Firefox and Chrome currently allow TLS 1.0 by default, so this is your call.
+ * [1] http://kb.mozillazine.org/Security.tls.version.*
+ * [2] https://www.ssl.com/how-to/turn-off-ssl-3-0-and-tls-1-0-in-your-browser/ ***/
+   // user_pref("security.tls.version.min", 2);
+user_pref("security.tls.version.fallback-limit", 3);
+user_pref("security.tls.version.max", 4); // 4 = allow up to and including TLS 1.3
+/* 1203: disable SSL session tracking (FF36+)
+ * SSL Session IDs speed up HTTPS connections (no need to renegotiate) and last for 48hrs.
+ * Since the ID is unique, web servers can (and do) use it for tracking. If set to true,
+ * this disables sending SSL Session IDs and TLS Session Tickets to prevent session tracking
+ * [1] https://tools.ietf.org/html/rfc5077
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=967977 ***/
+user_pref("security.ssl.disable_session_identifiers", true); // (hidden pref)
+/* 1204: disable SSL Error Reporting
+ * [1] https://gecko.readthedocs.org/en/latest/browser/base/sslerrorreport/preferences.html ***/
+user_pref("security.ssl.errorReporting.automatic", false);
+user_pref("security.ssl.errorReporting.enabled", false);
+user_pref("security.ssl.errorReporting.url", "");
+/** OCSP (Online Certificate Status Protocol) ***/
+/* 1210: enable OCSP Stapling
+ * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ ***/
+user_pref("security.ssl.enable_ocsp_stapling", true);
+/* 1211: control use of OCSP responder servers to confirm current validity of certificates
+ * 0=disable, 1=validate only certificates that specify an OCSP service URL (default)
+ * 2=enable and use values in security.OCSP.URL and security.OCSP.signing.
+ * OCSP (non-stapled) leaks information about the sites you visit to the CA (cert authority)
+ * It's a trade-off between security (checking) and privacy (leaking info to the CA)
+ * [1] https://en.wikipedia.org/wiki/Ocsp ***/
+user_pref("security.OCSP.enabled", 1);
+/* 1212: enable OCSP revocation. When a CA cannot be reached to validate a cert, Firefox currently
+ * continues the connection. With OCSP revocation, Firefox terminates the connection instead.
+ * [WARNING] Since FF44 the default is false. If set to true, this may/will cause some
+ * site breakage. Some users have previously mentioned issues with youtube, microsoft etc
+ * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ ***/
+   // user_pref("security.OCSP.require", true);
+/** CERTS / HSTS (HTTP Strict Transport Security) / HPKP (HTTP Public Key Pinning) ***/
+/* 1220: disable Windows 8.1's Microsoft Family Safety cert [WINDOWS] (FF50+)
+ * 0=disable detecting Family Safety mode and importing the root
+ * 1=only attempt to detect Family Safety mode (don't import the root)
+ * 2=detect Family Safety mode and import the root
+ * [1] https://trac.torproject.org/projects/tor/ticket/21686 ***/
+user_pref("security.family_safety.mode", 0);
+/* 1221: disable intermediate certificate caching (fingerprinting attack vector)
+ * [NOTE] This may be better handled under FPI (ticket 1323644, part of Tor Uplift)
+ * [WARNING] This affects login/cert/key dbs. The effect is all credentials are session-only.
+ * Saved logins and passwords are not available. Reset the pref and restart to return them.
+ * [TEST] https://fiprinca.0x90.eu/poc/
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334485 - related bug
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1216882 - related bug (see comment 9) ***/
+   // user_pref("security.nocertdb", true); // (hidden pref)
+/* 1222: enforce strict pinning
+ * PKP (Public Key Pinning) 0=disabled 1=allow user MiTM (such as your antivirus), 2=strict
+ * [WARNING] If you rely on an AV (antivirus) to protect your web browsing
+ * by inspecting ALL your web traffic, then leave at current default=1
+ * [1] https://trac.torproject.org/projects/tor/ticket/16206 ***/
+user_pref("security.cert_pinning.enforcement_level", 2);
+/* 1223: enforce HSTS preload list (default is true)
+ * The list is compiled into Firefox and used to always load those domains over HTTPS
+ * [1] https://blog.mozilla.org/security/2012/11/01/preloading-hsts/
+ * [2] https://wiki.mozilla.org/Privacy/Features/HSTS_Preload_List ***/
+user_pref("network.stricttransportsecurity.preloadlist", true);
+/** MIXED CONTENT ***/
+/* 1240: disable insecure active content on https pages - mixed content
+ * [1] https://trac.torproject.org/projects/tor/ticket/21323 ***/
+user_pref("security.mixed_content.block_active_content", true);
+/* 1241: disable insecure passive content (such as images) on https pages - mixed context
+ * [WARNING] When set to true, this will visually break many sites (March 2017) ***/
+   // user_pref("security.mixed_content.block_display_content", true);
+/* 1242: enable Mixed-Content-Blocker to use the HSTS cache but disable the HSTS Priming requests (FF51+)
+ * Allow resources from domains with an existing HSTS cache record or in the HSTS preload list
+ * to be upgraded to HTTPS internally but disable sending out HSTS Priming requests, because
+ * those may cause noticeable delays eg requests time out or are not handled well by servers
+ * [NOTE] If you want to use the priming requests make sure 'use_hsts' is also true
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1246540#c145 ***/
+user_pref("security.mixed_content.use_hsts", true);
+user_pref("security.mixed_content.send_hsts_priming", false);
+/** CIPHERS [see the section 1200 intro] ***/
+/* 1260: disable or limit SHA-1
+ * 0=all SHA1 certs are allowed
+ * 1=all SHA1 certs are blocked (including perfectly valid ones from 2015 and earlier)
+ * 2=deprecated option that now maps to 1
+ * 3=only allowed for locally-added roots (e.g. anti-virus)
+ * 4=only allowed for locally-added roots or for certs in 2015 and earlier
+ * [WARNING] When disabled, some man-in-the-middle devices (eg security scanners and
+ * antivirus products, may fail to connect to HTTPS sites. SHA-1 is *almost* obsolete.
+ * [1] https://blog.mozilla.org/security/2016/10/18/phasing-out-sha-1-on-the-public-web/ ***/
+user_pref("security.pki.sha1_enforcement_level", 1);
+/* 1261: disable 3DES (effective key size < 128)
+ * [1] https://en.wikipedia.org/wiki/3des#Security
+ * [2] http://en.citizendium.org/wiki/Meet-in-the-middle_attack
+ * [3] http://www-archive.mozilla.org/projects/security/pki/nss/ssl/fips-ssl-ciphersuites.html ***/
+user_pref("security.ssl3.rsa_des_ede3_sha", false);
+/* 1262: disable 128 bits ***/
+user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
+user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
+/* 1263: disable DHE (Diffie-Hellman Key Exchange)
+ * [WARNING] May break obscure sites, but not major sites, which should support ECDH over DHE
+ * [1] https://www.eff.org/deeplinks/2015/10/how-to-protect-yourself-from-nsa-attacks-1024-bit-DH ***/
+user_pref("security.ssl3.dhe_rsa_aes_128_sha", false);
+user_pref("security.ssl3.dhe_rsa_aes_256_sha", false);
+/* 1264: disable the remaining non-modern cipher suites as of FF52
+ * [NOTE] Commented out because it still breaks too many sites ***/
+   // user_pref("security.ssl3.rsa_aes_128_sha", false);
+   // user_pref("security.ssl3.rsa_aes_256_sha", false);
+/** UI (User Interface) ***/
+/* 1270: display warning (red padlock) for "broken security"
+ * [1] https://wiki.mozilla.org/Security:Renegotiation ***/
+user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
+/* 1271: control "Add Security Exception" dialog on SSL warnings
+ * 0=do neither 1=pre-populate url 2+pre-populate url + pre-fetch cert (default)
+ * [1] https://github.com/pyllyukko/user.js/issues/210 ***/
+user_pref("browser.ssl_override_behavior", 1);
+/* 1272: display advanced information on Insecure Connection warning pages
+ * only works when it's possible to add an exception
+ * i.e doesn't work for HSTS discrepancies (https://subdomain.preloaded-hsts.badssl.com/)
+ * [TEST] https://expired.badssl.com/ ***/
+user_pref("browser.xul.error_pages.expert_bad_cert", true);
+
+/*** 1400: FONTS ***/
+user_pref("ghacks_user.js.parrot", "1400 syntax error: the parrot's bereft of life!");
+/* 1401: disable websites choosing fonts (0=block, 1=allow)
+ * If you disallow fonts, this drastically limits/reduces font
+ * enumeration (by JS) which is a high entropy fingerprinting vector.
+ * [SETTING] Options>Content>Font & Colors>Advanced>Allow pages to choose...
+ * [SETUP] Disabling fonts can uglify the web a fair bit. ***/
+user_pref("browser.display.use_document_fonts", 0);
+/* 1402: enable icon fonts (glyphs) (FF41+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=789788 ***/
+user_pref("gfx.downloadable_fonts.enabled", true);
+/* 1403: disable rendering of SVG OpenType fonts
+ * [1] https://wiki.mozilla.org/SVGOpenTypeFonts - iSECPartnersReport recommends to disable this ***/
+user_pref("gfx.font_rendering.opentype_svg.enabled", false);
+/* 1404: set more legible default fonts
+ * [SETTING] Options>Fonts & Colors>Advanced>Serif|Sans-serif|Monospace
+ * [SETUP] These are optional, comment out if you do not require them
+ * [NOTE] Been using this for 18 months, it really grows on you ***/
+user_pref("font.name.serif.x-unicode", "Georgia");
+user_pref("font.name.serif.x-western", "Georgia"); // default Times New Roman
+user_pref("font.name.sans-serif.x-unicode", "Arial");
+user_pref("font.name.sans-serif.x-western", "Arial"); // default Arial
+user_pref("font.name.monospace.x-unicode", "Lucida Console");
+user_pref("font.name.monospace.x-western", "Lucida Console"); // default Courier New
+/* 1405: disable WOFF2 (Web Open Font Format) ***/
+user_pref("gfx.downloadable_fonts.woff2.enabled", false);
+/* 1406: disable CSS Font Loading API
+ * [SETUP] Disabling fonts can uglify the web a fair bit. ***/
+user_pref("layout.css.font-loading-api.enabled", false);
+/* 1407: disable special underline handling for a few fonts which you will probably never use.
+ * Any of these fonts on your system can be enumerated for fingerprinting. Requires restart.
+ * [1] http://kb.mozillazine.org/Font.blacklist.underline_offset ***/
+user_pref("font.blacklist.underline_offset", "");
+/* 1408: disable graphite which FF49 turned back on by default
+ * In the past it had security issues - need citation ***/
+user_pref("gfx.font_rendering.graphite.enabled", false);
+/* 1409: limit system font exposure to a whitelist (FF52+) [SETUP]
+ * If the whitelist is empty, then whitelisting is considered disabled and all fonts are allowed.
+ * [NOTE] Creating your own probably highly-unique whitelist will raise your entropy. If
+ * you block sites choosing fonts in 1401, this preference is irrelevant. In future,
+ * privacy.resistFingerprinting (see 2699) may cover this, and 1401 can be relaxed.
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1121643 ***/
+   // user_pref("font.system.whitelist", ""); // (hidden pref)
+
+/*** 1600: HEADERS / REFERERS [SETUP]
+     Except for DNT (Do Not Track), referers are best controlled by an extension.
+     It is important to realize that it is *cross domain* referers that need
+     controlling, and this is best handled by EITHER 1603 or 1604, not both.
+
+     Option 1: Recommended: Use an extension to block all referers, and then whitelist
+               sites on a granular, per domain level.
+     Option 2: As per the original settings below: Set XOriginPolicy (1603) to 1 (less breakage)
+               or 2 (more breakage) and leave XOriginTrimmingPolicy (1604) at default 0
+     Option 3: Set XOriginPolicy (1603) to default 0 and set XOriginTrimmingPolicy (1604) to 2
+
+                    full URI: https://example.com:8888/foo/bar.html?id=1234
+       scheme+host+path+port: https://example.com:8888/foo/bar.html
+            scheme+host+port: https://example.com:8888
+
+     #Required reading [#] https://feeding.cloud.geek.nz/posts/tweaking-referrer-for-privacy-in-firefox/
+ ***/
+user_pref("ghacks_user.js.parrot", "1600 syntax error: the parrot rests in peace!");
+/* 1601: ALL: control when images/links send a referer
+ * 0=never, 1=send only when links are clicked, 2=for links and images (default)
+ * [NOTE] Recommended left at default. Focus on XSS and granular cross origin referer control ***/
+user_pref("network.http.sendRefererHeader", 2);
+/* 1602: ALL: control the amount of information to send
+ * 0=send full URI (default), 1=scheme+host+path+port, 2=scheme+host+port
+ * [NOTE] Cross origin requests can be fine tuned in 1603 + 1604. Limiting same origin requests
+ * is rather pointless. Recommended left at default for zero same origin breakage ***/
+user_pref("network.http.referer.trimmingPolicy", 0);
+/* 1603: CROSS ORIGIN: control when to send a referer [SETUP]
+ * 0=always (default), 1=only if base domains match, 2=only if hosts match
+ * [NOTE] 1=less breakage, possible leakage 2=less leakage, more breakage ***/
+user_pref("network.http.referer.XOriginPolicy", 1);
+/* 1604: CROSS ORIGIN: control the amount of information to send (FF52+)
+ * 0=send full URI (default) 1=scheme+host+path+port 2=scheme+host+port ***/
+user_pref("network.http.referer.XOriginTrimmingPolicy", 0);
+/* 1605: ALL: disable spoofing a referer
+ * Spoofing increases your exposure to cross-site request forgeries ***/
+user_pref("network.http.referer.spoofSource", false);
+/* 1606: ALL: set the default Referrer Policy (FF53+)
+ * 0=no-referer 1=same-origin 2=strict-origin-when-cross-origin
+ * 3=no-referrer-when-downgrade (default)
+ * [NOTE] This is only a default, it can be overridden by a site-controlled Referrer Policy
+ * [1] https://www.w3.org/TR/referrer-policy/
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1304623 ***/
+user_pref("network.http.referer.userControlPolicy", 3);
+/* 1607: TOR: hide (not spoof) referrer when leaving a .onion domain (FF54+)
+ * [NOTE] Firefox cannot access .onion sites by default. We recommend you use
+ * TBB (Tor Browser Bundle) which is specifically designed for the dark web
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1305144 ***/
+user_pref("network.http.referer.hideOnionSource", true);
+/* 1610: ALL: disable the DNT HTTP header (this is essentially USELESS and raises entropy)
+ * [SETTING] Options>Privacy>Tracking>Request that sites not track you
+ * [NOTE] If you use NoScript MAKE SURE to set the pref noscript.doNotTrack.enabled to match ***/
+user_pref("privacy.donottrackheader.enabled", false);
+
+/*** 1700: CONTAINERS [SETUP]
+     [1] https://support.mozilla.org/kb/containers-experiment
+     [2] https://wiki.mozilla.org/Security/Contextual_Identity_Project/Containers
+     [3] https://github.com/mozilla/testpilot-containers
+***/
+user_pref("ghacks_user.js.parrot", "1700 syntax error: the parrot rests in peace!");
+/* 1701: enable [SETTING] Options>Privacy>Container Tabs (FF50+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1279029 ***/
+   // user_pref("privacy.userContext.ui.enabled", true);
+/* 1702: enable Container Tabs (FF50+)
+ * [SETTING] Options>Privacy>Container Tabs>Enable Container Tabs ***/
+   // user_pref("privacy.userContext.enabled", true);
+/* 1703: enable a private container for thumbnail loads (FF51+) ***/
+   // user_pref("privacy.usercontext.about_newtab_segregation.enabled", true);
+/* 1704: set long press behaviour on "+ Tab" button to display container menu (FF53+)
+ * 0=disables long press, 1=when clicked, the menu is shown
+ * 2=the menu is shown after X milliseconds
+ * [NOTE] The menu does not contain a non-container tab option
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1328756 ***/
+   // user_pref("privacy.userContext.longPressBehavior", 2);
+
+/*** 1800: PLUGINS ***/
+user_pref("ghacks_user.js.parrot", "1800 syntax error: the parrot's pushing up daisies!");
+/* 1801: set default plugin state (i.e new plugins on discovery) to never activate
+ * 0=disabled, 1=ask to activate, 2=active - you can override individual plugins ***/
+user_pref("plugin.default.state", 0);
+user_pref("plugin.defaultXpi.state", 0);
+/* 1802: enable click to play and set to 0 minutes ***/
+user_pref("plugins.click_to_play", true);
+user_pref("plugin.sessionPermissionNow.intervalInMinutes", 0);
+/* 1803: set a plugin state: 0=deactivated 1=ask 2=enabled (Flash example)
+ * you can set all these plugin.state's via Add-ons>Plugins or search for plugin.state in about:config
+ * [NOTE] You can still over-ride individual sites eg youtube via site permissions
+ * [1] http://www.ghacks.net/2013/07/09/how-to-make-sure-that-a-firefox-plugin-never-activates-again/ ***/
+   // user_pref("plugin.state.flash", 0);
+/* 1804: disable plugins using external/untrusted scripts with XPCOM or XPConnect ***/
+user_pref("security.xpconnect.plugin.unrestricted", false);
+/* 1805: disable scanning for plugins [WINDOWS]
+ * [1] http://kb.mozillazine.org/Plugin_scanning
+ * plid.all = whether to scan the directories specified in the Windows registry for PLIDs.
+ * Used to detect RealPlayer, Java, Antivirus etc, but since FF52 only covers Flash ***/
+user_pref("plugin.scan.plid.all", false);
+/* 1820: disable all GMP (Gecko Media Plugins) [SETUP]
+ * [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/
+user_pref("media.gmp-provider.enabled", false);
+user_pref("media.gmp.trial-create.enabled", false);
+/* 1825: disable widevine CDM (Content Decryption Module) [SETUP] ***/
+user_pref("media.gmp-widevinecdm.visible", false);
+user_pref("media.gmp-widevinecdm.enabled", false);
+user_pref("media.gmp-widevinecdm.autoupdate", false);
+/* 1830: disable all DRM content (EME: Encryption Media Extension) [SETUP] ***/
+user_pref("media.eme.enabled", false); // Options>Content>Play DRM Content
+user_pref("browser.eme.ui.enabled", false); // hides "Play DRM Content" checkbox, restart required
+/* 1840: disable the OpenH264 Video Codec by Cisco to "Never Activate"
+ * and disable pings to the external update/download server
+ * This is the bundled codec used for video chat in WebRTC ***/
+user_pref("media.gmp-gmpopenh264.enabled", false); // (hidden pref)
+user_pref("media.gmp-gmpopenh264.autoupdate", false);
+user_pref("media.gmp-manager.url", "data:text/plain,");
+
+/*** 2000: MEDIA / CAMERA / MIC ***/
+user_pref("ghacks_user.js.parrot", "2000 syntax error: the parrot's snuffed it!");
+/* 2001: disable WebRTC (Web Real-Time Communication)
+ * [1] https://www.privacytools.io/#webrtc ***/
+user_pref("media.peerconnection.enabled", false);
+user_pref("media.peerconnection.use_document_iceservers", false);
+user_pref("media.peerconnection.video.enabled", false);
+user_pref("media.peerconnection.identity.enabled", false);
+user_pref("media.peerconnection.identity.timeout", 1);
+user_pref("media.peerconnection.turn.disable", true);
+user_pref("media.peerconnection.ice.tcp", false);
+user_pref("media.navigator.video.enabled", false); // video capability for WebRTC
+/* 2002: limit WebRTC IP leaks if using WebRTC
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1189041
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1297416
+ * [3] https://wiki.mozilla.org/Media/WebRTC/Privacy ***/
+user_pref("media.peerconnection.ice.default_address_only", true); // (FF42-FF50)
+user_pref("media.peerconnection.ice.no_host", true); // (FF51+)
+/* 2010: disable WebGL (Web Graphics Library), force bare minimum feature set if used & disable WebGL extensions
+ * [1] http://www.contextis.com/resources/blog/webgl-new-dimension-browser-exploitation/
+ * [2] https://security.stackexchange.com/questions/13799/is-webgl-a-security-concern ***/
+user_pref("webgl.disabled", true);
+user_pref("pdfjs.enableWebGL", false);
+user_pref("webgl.min_capability_mode", true);
+user_pref("webgl.disable-extensions", true);
+user_pref("webgl.disable-fail-if-major-performance-caveat", true);
+/* 2011: disable WebGL debug info being available to websites
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1171228
+ * [2] https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_debug_renderer_info ***/
+user_pref("webgl.enable-debug-renderer-info", false);
+/* 2012: disable two more webgl preferences (FF51+) ***/
+user_pref("webgl.dxgl.enabled", false); // [WINDOWS]
+user_pref("webgl.enable-webgl2", false);
+/* 2021: disable speech recognition
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecognition
+ * [2] https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesis
+ * [3] https://wiki.mozilla.org/HTML5_Speech_API ***/
+user_pref("media.webspeech.recognition.enable", false);
+user_pref("media.webspeech.synth.enabled", false);
+/* 2022: disable screensharing ***/
+user_pref("media.getusermedia.screensharing.enabled", false);
+user_pref("media.getusermedia.screensharing.allowed_domains", "");
+user_pref("media.getusermedia.browser.enabled", false);
+user_pref("media.getusermedia.audiocapture.enabled", false);
+/* 2023: disable camera stuff ***/
+user_pref("camera.control.face_detection.enabled", false);
+/* 2024: enable/disable MSE (Media Source Extensions)
+ * [1] http://www.ghacks.net/2014/05/10/enable-media-source-extensions-firefox/ ***/
+user_pref("media.mediasource.enabled", true);
+user_pref("media.mediasource.mp4.enabled", true);
+user_pref("media.mediasource.webm.audio.enabled", true);
+user_pref("media.mediasource.webm.enabled", true);
+/* 2026: disable canvas capture stream
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/captureStream ***/
+user_pref("canvas.capturestream.enabled", false);
+/* 2027: disable camera image capture
+ * [1] https://trac.torproject.org/projects/tor/ticket/16339 ***/
+user_pref("dom.imagecapture.enabled", false);
+/* 2028: disable offscreen canvas
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas ***/
+user_pref("gfx.offscreencanvas.enabled", false);
+/* 2030: disable auto-play of HTML5 media
+ * [WARNING] This may break video playback on various sites ***/
+user_pref("media.autoplay.enabled", false);
+/* 2031: disable audio auto-play in non-active tabs (FF51+)
+ * [1] http://www.ghacks.net/2016/11/14/firefox-51-blocks-automatic-audio-playback-in-non-active-tabs/ ***/
+user_pref("media.block-autoplay-until-in-foreground", true);
+
+/*** 2200: UI MEDDLING
+   see http://kb.mozillazine.org/Prevent_websites_from_disabling_new_window_features ***/
+user_pref("ghacks_user.js.parrot", "2200 syntax error: the parrot's 'istory!");
+/* 2201: disable website control over browser right-click context menu
+ * [NOTE] Shift-Right-Click will always bring up the browser right-click context menu ***/
+   // user_pref("dom.event.contextmenu.enabled", false);
+/* 2202: disable [new window] scripts hiding or disabling the following ***/
+user_pref("dom.disable_window_open_feature.location", true);
+user_pref("dom.disable_window_open_feature.menubar", true);
+user_pref("dom.disable_window_open_feature.resizable", true);
+user_pref("dom.disable_window_open_feature.status", true);
+user_pref("dom.disable_window_open_feature.toolbar", true);
+/* 2203: disable [popup window] scripts hiding or disabling the following ***/
+user_pref("dom.disable_window_flip", true); // window z-order
+user_pref("dom.disable_window_move_resize", true);
+user_pref("dom.disable_window_open_feature.close", true);
+user_pref("dom.disable_window_open_feature.minimizable", true);
+user_pref("dom.disable_window_open_feature.personalbar", true); //bookmarks toolbar
+user_pref("dom.disable_window_open_feature.titlebar", true);
+user_pref("dom.disable_window_status_change", true);
+user_pref("dom.allow_scripts_to_close_windows", false);
+/* 2204: disable links opening in a new window
+ * This is to stop malicious window sizes and screen res leaks etc in conjunction
+ * with 2203 dom.disable_window_move_resize=true | 2418 full-screen-api.enabled=false
+ * [NOTE] You can still right click a link and select open in a new window
+ * [TEST] https://people.torproject.org/~gk/misc/entire_desktop.html
+ * [1] https://trac.torproject.org/projects/tor/ticket/9881 ***/
+user_pref("browser.link.open_newwindow.restriction", 0);
+/* 2205: disable "Confirm you want to leave" dialog on page close
+ * Does not prevent JS leaks of the page close event.
+ * [1] https://developer.mozilla.org/en-US/docs/Web/Events/beforeunload
+ * [2] https://support.mozilla.org/en-US/questions/1043508 ***/
+user_pref("dom.disable_beforeunload", true);
+
+/*** 2300: WEB WORKERS [SETUP]
+     A worker is a JS "background task" running in a global context, i.e it is different from
+     the current window. Workers can spawn new workers (must be the same origin & scheme),
+     including service and shared workers. Shared workers can be utilized by multiple scripts
+     and communicate between browsing contexts (windows/tabs/iframes) and can even control your
+     cache. Push and web notifications require service workers, which in turn require workers.
+
+     [WARNING] Disabling workers *will* break sites (eg Google Street View, Twitter).
+     It is recommended that you use a separate profile for these sorts of sites.
+
+     [1]    Web Workers: https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API
+     [2]         Worker: https://developer.mozilla.org/en-US/docs/Web/API/Worker
+     [3] Service Worker: https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker_API
+     [4]   SharedWorker: https://developer.mozilla.org/en-US/docs/Web/API/SharedWorker
+     [5]   ChromeWorker: https://developer.mozilla.org/en-US/docs/Web/API/ChromeWorker
+ ***/
+user_pref("ghacks_user.js.parrot", "2300 syntax error: the parrot's off the twig!");
+/* 2301: disable workers
+ * [NOTE] CVE-2016-5259, CVE-2016-2812, CVE-2016-1949, CVE-2016-5287 (fixed) ***/
+user_pref("dom.workers.enabled", false);
+/* 2302: disable service workers
+ * Service workers essentially act as proxy servers that sit between web apps, and the browser
+ * and network, are event driven, and can control the web page/site it is associated with,
+ * intercepting and modifying navigation and resource requests, and caching resources.
+ * [NOTE] Service worker APIs are hidden (in Firefox) and cannot be used when in PB mode.
+ * [NOTE] Service workers only run over HTTPS. Service Workers have no DOM access. ***/
+user_pref("dom.serviceWorkers.enabled", false);
+/* 2303: disable service workers' cache and cache storage ***/
+user_pref("dom.caches.enabled", false);
+/* 2304: disable web notifications
+ * [NOTE] You can still override individual domains under site permissions (FF44+)
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/Notifications_API ***/
+user_pref("dom.webnotifications.enabled", false);
+user_pref("dom.webnotifications.serviceworker.enabled", false);
+/* 2305: disable push notifications (FF44+)
+ * web apps can receive messages pushed to them from a server, whether or
+ * not the web app is in the foreground, or even currently loaded
+ * [1] https://developer.mozilla.org/en/docs/Web/API/Push_API ***/
+user_pref("dom.push.enabled", false);
+user_pref("dom.push.connection.enabled", false);
+user_pref("dom.push.serverURL", "");
+user_pref("dom.push.userAgentID", "");
+
+/*** 2400: DOM & JAVASCRIPT ***/
+user_pref("ghacks_user.js.parrot", "2400 syntax error: the parrot's kicked the bucket!");
+/* 2402: disable website access to clipboard events/content
+ * [WARNING] This will break some sites functionality such as pasting into facebook, wordpress
+ * this applies to onCut, onCopy, onPaste events - i.e you have to interact with
+ * the website for it to look at the clipboard
+ * [1] http://www.ghacks.net/2014/01/08/block-websites-reading-modifying-clipboard-contents-firefox/ ***/
+user_pref("dom.event.clipboardevents.enabled", false);
+/* 2403: disable clipboard commands (cut/copy) from "non-privileged" content (FF41+)
+ * this disables document.execCommand("cut"/"copy") to protect your clipboard
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1170911 ***/
+user_pref("dom.allow_cut_copy", false); // (hidden pref)
+/* 2404: disable JS storing data permanently
+ * This setting WAS under about:permissions>All Sites>Maintain Offline Storage
+ * [NOTE] about:permissions is no longer available since FF46 but you can still override
+ * individual domains: use info icon in urlbar etc or right click on a web page>view page info
+ * [WARNING] [SETUP] If set as false (disabled), this WILL break some [old] add-ons and DOES
+ * break a lot of sites' functionality. Applies to websites, add-ons and session data.
+ * [1] https://addons.mozilla.org/en-US/firefox/addon/disable-indexeddb/ ***/
+user_pref("dom.indexedDB.enabled", false);
+/* 2410: disable User Timing API
+ * [1] https://trac.torproject.org/projects/tor/ticket/16336 ***/
+user_pref("dom.enable_user_timing", false);
+/* 2411: disable resource/navigation timing ***/
+user_pref("dom.enable_resource_timing", false);
+/* 2412: disable timing attacks - javascript performance fingerprinting
+ * [1] https://wiki.mozilla.org/Security/Reviews/Firefox/NavigationTimingAPI ***/
+user_pref("dom.enable_performance", false);
+/* 2414: disable shaking the screen ***/
+user_pref("dom.vibrator.enabled", false);
+/* 2415: set max popups from a single non-click event - default is 20! ***/
+user_pref("dom.popup_maximum", 3);
+/* 2415b: limit events that can cause a popup
+ * default is "change click dblclick mouseup notificationclick reset submit touchend"
+ * [1] http://kb.mozillazine.org/Dom.popup_allowed_events ***/
+user_pref("dom.popup_allowed_events", "click dblclick");
+/* 2416: disable idle observation ***/
+user_pref("dom.idle-observers-api.enabled", false);
+/* 2418: disable full-screen API
+ * This setting WAS under about:permissions>All Sites>Fullscreen
+ * [NOTE] about:permissions is no longer available since FF46 but you can still override
+ * individual domains: use info icon in urlbar etc or right click on a web page>view page info
+ * set to false=block, set to true=ask ***/
+user_pref("full-screen-api.enabled", false);
+/* 2420: disable support for asm.js ( http://asmjs.org/ )
+ * [1] https://www.mozilla.org/en-US/security/advisories/mfsa2015-29/
+ * [2] https://www.mozilla.org/en-US/security/advisories/mfsa2015-50/
+ * [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2712 ***/
+user_pref("javascript.options.asmjs", false);
+/* 2421: disable Ion and baseline JIT to help harden JS against exploits such as CVE-2015-0817
+ * [WARNING] Causes the odd site issue and there is also a performance loss
+ * [1] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817 ***/
+   // user_pref("javascript.options.ion", false);
+   // user_pref("javascript.options.baselinejit", false);
+/* 2422: disable WebAssembly for now (FF52+)
+ * [1] https://developer.mozilla.org/en-US/docs/WebAssembly ***/
+user_pref("javascript.options.wasm", false);
+/* 2426: disable Intersection Observer API (FF53+)
+ * Almost a year to complete, three versions late to stable (as default false),
+ * number #1 cause of crashes in nightly numerous times, and is (primarily) an
+ * ad network API for "ad viewability checks" down to a pixel level
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API
+ * [2] https://wicg.github.io/IntersectionObserver/
+ * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=1243846 ***/
+user_pref("dom.IntersectionObserver.enabled", false);
+/* 2450a: enforce websites to ask to store data for offline use
+ * [1] https://support.mozilla.org/en-US/questions/1098540
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=959985 ***/
+user_pref("offline-apps.allow_by_default", false);
+/* 2450b: display a notification when websites ask to store data for offline use
+ * [SETTING] Options>Advanced>Network>Tell me when a website asks to store data for offline use ***/
+user_pref("browser.offline-apps.notify", true);
+/* 2450c: set size of warning quota for offline cache (default 51200)
+ * Offline cache is only used in rare cases to store data locally. FF will store small amounts
+ * (default <50MB) of data in the offline (application) cache without asking for permission. ***/
+   // user_pref("offline-apps.quota.warn", 51200);
+
+/*** 2500: HARDWARE FINGERPRINTING ***/
+user_pref("ghacks_user.js.parrot", "2500 syntax error: the parrot's shuffled off 'is mortal coil!");
+/* 2501: disable gamepad API - USB device ID enumeration
+ * [1] https://trac.torproject.org/projects/tor/ticket/13023 ***/
+user_pref("dom.gamepad.enabled", false);
+/* 2503: disable giving away network info
+ * eg bluetooth, cellular, ethernet, wifi, wimax, other, mixed, unknown, none
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API
+ * [2] https://wicg.github.io/netinfo/
+ * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=960426 ***/
+user_pref("dom.netinfo.enabled", false);
+/* 2504: disable virtual reality devices
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/WebVR_API ***/
+user_pref("dom.vr.enabled", false);
+user_pref("dom.vr.oculus.enabled", false);
+user_pref("dom.vr.osvr.enabled", false); // (FF49+)
+user_pref("dom.vr.openvr.enabled", false); // (FF51+)
+/* 2505: disable media device enumeration (FF29+)
+ * [NOTE] media.peerconnection.enabled should also be set to false (see 2001)
+ * [1] https://wiki.mozilla.org/Media/getUserMedia
+ * [2] https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/enumerateDevices ***/
+user_pref("media.navigator.enabled", false);
+/* 2506: disable video statistics - JS performance fingerprinting
+ * [1] https://trac.torproject.org/projects/tor/ticket/15757 ***/
+user_pref("media.video_stats.enabled", false);
+/* 2507: disable keyboard fingerprinting (FF38+) (physical keyboards)
+ * The Keyboard API allows tracking the "read parameter" of pressed keys in forms on
+ * web pages. These parameters vary between types of keyboard layouts such as QWERTY,
+ * AZERTY, Dvorak, and between various languages, eg German vs English.
+ * [WARNING] Don't use if Android + physical keyboard
+ * [UPDATE] This MAY be incorporated better under privacy.resistFingerprinting (see 2699)
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code
+ * [2] https://www.privacy-handbuch.de/handbuch_21v.htm ***/
+user_pref("dom.keyboardevent.code.enabled", false);
+user_pref("dom.keyboardevent.dispatch_during_composition", false);
+/* 2508: disable hardware acceleration to reduce graphics fingerprinting
+ * [SETTING] Options>Advanced>General>Use hardware acceleration when available
+ * [NOTE] Changing this option changes BOTH these preferences
+ * [WARNING] [SETUP] Affects text rendering (fonts will look different) and impacts video performance
+ * [1] https://wiki.mozilla.org/Platform/GFX/HardwareAcceleration ***/
+user_pref("gfx.direct2d.disabled", true); // [WINDOWS]
+user_pref("layers.acceleration.disabled", true);
+/* 2509: disable touch events [SETUP]
+ * fingerprinting attack vector - leaks screen res & actual screen coordinates
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/Touch_events
+ * [2] https://trac.torproject.org/projects/tor/ticket/10286 ***/
+user_pref("dom.w3c_touch_events.enabled", 0);
+/* 2510: disable Web Audio API (FF51+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1288359 ***/
+user_pref("dom.webaudio.enabled", false);
+/* 2511: disable MediaDevices change detection (FF51+) (enabled by default starting FF52+)
+ * [1] https://developer.mozilla.org/en-US/docs/Web/Events/devicechange
+ * [2] https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/ondevicechange ***/
+user_pref("media.ondevicechange.enabled", false);
+/* 2512: disable device sensor API
+ * [1] https://trac.torproject.org/projects/tor/ticket/15758
+ * [2] https://blog.lukaszolejnik.com/stealing-sensitive-browser-data-with-the-w3c-ambient-light-sensor-api/
+ * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=1357733
+ * [4] https://bugzilla.mozilla.org/show_bug.cgi?id=1292751 ***/
+user_pref("device.sensors.enabled", false);
+/* 2513: disable Presentation API
+ * [1] https://wiki.mozilla.org/WebAPI/PresentationAPI
+ * [2] https://www.w3.org/TR/presentation-api/ ***/
+user_pref("dom.presentation.enabled", false);
+user_pref("dom.presentation.controller.enabled", false);
+user_pref("dom.presentation.discoverable", false);
+user_pref("dom.presentation.discovery.enabled", false);
+user_pref("dom.presentation.receiver.enabled", false);
+user_pref("dom.presentation.session_transport.data_channel.enable", false);
+/* 2514: spoof (or limit?) number of CPU cores (also see 2699f) (FF48+)
+ * [WARNING] *may* affect core chrome/Firefox performance, will affect content.
+ * Highly recommended to leave this (dom) and use 2699f (navigator)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1008453
+ * [2] https://trac.torproject.org/projects/tor/ticket/21675
+ * [3] https://trac.torproject.org/projects/tor/ticket/22127
+ * [4] https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency ***/
+   // user_pref("dom.maxHardwareConcurrency", 2);
+/* 2515: disable site specific zoom
+ * Zoom levels affect screen res and are highly fingerprintable. This does not stop you using
+ * zoom, it will just not use/remember any site specific settings. Zoom levels on new tabs
+ * and new windows are reset to default and only the current tab retains the current zoom ***/
+user_pref("browser.zoom.siteSpecific", false);
+
+/*** 2600: MISC - LEAKS / FINGERPRINTING / PRIVACY / SECURITY ***/
+user_pref("ghacks_user.js.parrot", "2600 syntax error: the parrot's run down the curtain!");
+/* 2601: disable sending additional analytics to web servers
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/navigator.sendBeacon ***/
+user_pref("beacon.enabled", false);
+/* 2602: discourage downloading to desktop (0=desktop 1=downloads 2=last used)
+ * [NOTE] To set your default "downloads": Options>General>Downloads>Save files to ***/
+user_pref("browser.download.folderList", 2);
+/* 2603: enforce user interaction for security by always asking the user where to download ***/
+user_pref("browser.download.useDownloadDir", false);
+/* 2604: remove temp files opened with an external application
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=302433 ***/
+user_pref("browser.helperApps.deleteTempFileOnExit", true);
+/* 2605: disable adding downloads to the system's "recent documents" list ***/
+user_pref("browser.download.manager.addToRecentDocs", false);
+/* 2606: disable hiding mime types (Options>Applications) not associated with a plugin ***/
+user_pref("browser.download.hide_plugins_without_extensions", false);
+/* 2607: disable page thumbnail collection
+ * look in profile/thumbnails directory - you may want to clean that out ***/
+user_pref("browser.pagethumbnails.capturing_disabled", true); // (hidden pref)
+/* 2608: disable JAR from opening Unsafe File Types ***/
+user_pref("network.jar.open-unsafe-types", false);
+/* 2609: disable exposure of system colors to CSS or canvas (FF44+)
+ * [NOTE] see [2] bug may cause black on black for elements with undefined colors
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=232227
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1330876 ***/
+user_pref("ui.use_standins_for_native_colors", true); // (hidden pref)
+/* 2611: disable WebIDE to prevent remote debugging and add-on downloads
+ * [1] https://trac.torproject.org/projects/tor/ticket/16222 ***/
+user_pref("devtools.webide.autoinstallADBHelper", false);
+user_pref("devtools.webide.autoinstallFxdtAdapters", false);
+user_pref("devtools.debugger.remote-enabled", false);
+user_pref("devtools.webide.enabled", false);
+/* 2612: disable SimpleServiceDiscovery - which can bypass proxy settings - eg Roku
+ * [1] https://trac.torproject.org/projects/tor/ticket/16222 ***/
+user_pref("browser.casting.enabled", false);
+user_pref("gfx.layerscope.enabled", false);
+/* 2614: disable HTTP2 (which was based on SPDY which is now deprecated)
+ * HTTP2 raises concerns with "multiplexing" and "server push", does nothing to enhance
+ * privacy, and in fact opens up a number of server-side fingerprinting opportunities
+ * [1] https://http2.github.io/faq/
+ * [2] http://blog.scottlogic.com/2014/11/07/http-2-a-quick-look.html
+ * [3] https://queue.acm.org/detail.cfm?id=2716278
+ * [4] https://github.com/ghacksuserjs/ghacks-user.js/issues/107 ***/
+user_pref("network.http.spdy.enabled", false);
+user_pref("network.http.spdy.enabled.deps", false);
+user_pref("network.http.spdy.enabled.http2", false);
+/* 2617: enable Firefox's built-in PDF reader [SETUP]
+ * [SETTING] Options>Applications>Portable Document Format (PDF)
+ * This setting controls if the option "Display in Firefox" in the above setting is available
+ * and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With")
+ *   [WHY USE false=default=view PDFs in Firefox]
+ * pdfjs is lightweight, open source and as secure as any pdf reader out there, certainly better and more
+ * vetted than most. Exploits are rare (1 serious case in 3 years), treated seriously and patched quickly.
+ * It doesn't break "state separation" of browser content (by not sharing with OS, independent apps). It
+ * maintains disk avoidance and application data isolation. It's convenient. You can still save to disk.
+ *   [WHY USE true=open with or save to disk]
+ * If you think a particular external app is more secure...
+ *   [NOTE]
+ * 1. See 2662 2: JS can still force a pdf to open in-browser by bundling it's own code (rare) ***/
+user_pref("pdfjs.disabled", false);
+/* 2618: enforce the proxy server to do any DNS lookups when using SOCKS
+ * eg in TOR, this stops your local DNS server from knowing your Tor destination
+ * as a remote Tor node will handle the DNS request
+ * [1] http://kb.mozillazine.org/Network.proxy.socks_remote_dns
+ * [2] https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WebBrowsers ***/
+user_pref("network.proxy.socks_remote_dns", true);
+/* 2619: limit HTTP redirects (this does not control redirects with HTML meta tags or JS)
+ * [WARNING] A low setting of 5 or under will probably break some sites (eg gmail logins)
+ * To control HTML Meta tag and JS redirects, use an add-on (eg NoRedirect). Default is 20 ***/
+user_pref("network.http.redirection-limit", 10);
+/* 2620: disable middle mouse click opening links from clipboard
+ * [1] https://trac.torproject.org/projects/tor/ticket/10089
+ * [2] http://kb.mozillazine.org/Middlemouse.contentLoadURL ***/
+user_pref("middlemouse.contentLoadURL", false);
+/* 2621: disable IPv6 (included for knowledge ONLY [WARNING] do not do this)
+ * This is all about covert channels such as MAC addresses being included/abused in the
+ * IPv6 protocol for tracking. If you want to mask your IP address, this is not the way
+ * to do it. It's 2016, IPv6 is here. Here are some old links
+ * 2010: https://www.christopher-parsons.com/ipv6-and-the-future-of-privacy/
+ * 2011: https://iapp.org/news/a/2011-09-09-facing-the-privacy-implications-of-ipv6
+ * 2012: http://www.zdnet.com/article/security-versus-privacy-with-ipv6-deployment/
+ * [NOTE] It is a myth that disabling IPv6 will speed up your internet connection
+ * [1] http://www.howtogeek.com/195062/no-disabling-ipv6-probably-wont-speed-up-your-internet-connection ***/
+   // user_pref("network.dns.disableIPv6", true);
+   // user_pref("network.http.fast-fallback-to-IPv4", true);
+/* 2622: enforce a security delay when installing add-ons (milliseconds)
+ * default=1000, This also covers the delay in "Save" on downloading files.
+ * [1] http://kb.mozillazine.org/Disable_extension_install_delay_-_Firefox
+ * [2] http://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/ ***/
+user_pref("security.dialog_enable_delay", 700);
+/* 2623: enable Strict File Origin Policy on local files
+ * [1] http://kb.mozillazine.org/Security.fileuri.strict_origin_policy ***/
+user_pref("security.fileuri.strict_origin_policy", true);
+/* 2624: enable Subresource Integrity (SRI) (FF43+)
+ * [1] https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity
+ * [2] https://wiki.mozilla.org/Security/Subresource_Integrity ***/
+user_pref("security.sri.enable", true);
+/* 2625: disable DNS requests for hostnames with a .onion TLD (FF45+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1228457 ***/
+user_pref("network.dns.blockDotOnion", true);
+/* 2626: disable optional user agent token, default is false, included for completeness
+ * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Gecko_user_agent_string_reference ***/
+user_pref("general.useragent.compatMode.firefox", false);
+/* 2628: disable UITour backend so there is no chance that a remote page can use it ***/
+user_pref("browser.uitour.enabled", false);
+user_pref("browser.uitour.url", "");
+/* 2629: disable remote JAR files being opened, regardless of content type
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1215235 ***/
+user_pref("network.jar.block-remote-files", true);
+/* 2662: disable "open with" in download dialog (FF50+)
+ * This is very useful to enable when the browser is sandboxed (e.g. via AppArmor)
+ * in such a way that it is forbidden to run external applications.
+ * [SETUP] This may interfere with some users' workflow or methods
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281959 ***/
+user_pref("browser.download.forbid_open_with", true);
+/* 2663: disable MathML (Mathematical Markup Language) (FF51+)
+ * [TEST] http://browserspy.dk/mathml.php
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1173199 ***/
+user_pref("mathml.disabled", true);
+/* 2664: disable DeviceStorage API
+ * [1] https://wiki.mozilla.org/WebAPI/DeviceStorageAPI ***/
+user_pref("device.storage.enabled", false);
+/* 2665: remove webchannel whitelist ***/
+user_pref("webchannel.allowObject.urlWhitelist", "");
+/* 2666: disable HTTP Alternative Services
+ * [1] http://www.ghacks.net/2015/08/18/a-comprehensive-list-of-firefox-privacy-and-security-settings/#comment-3970881 ***/
+user_pref("network.http.altsvc.enabled", false);
+user_pref("network.http.altsvc.oe", false);
+/* 2667: disable various developer tools in browser context
+ * [SETTING] Devtools>Advanced Settings>Enable browser chrome and add-on debugging toolboxes
+ * [1] http://github.com/pyllyukko/user.js/issues/179#issuecomment-246468676 ***/
+user_pref("devtools.chrome.enabled", false);
+/* 2668: lock down allowed extension directories
+ * [WARNING] This will break add-ons that do not use the default XPI directories
+ * [1] https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/
+ * [2] archived: http://archive.is/DYjAM ***/
+user_pref("extensions.enabledScopes", 1); // (hidden pref)
+user_pref("extensions.autoDisableScopes", 15);
+/* 2669: remove paths when sending URLs to PAC scripts (FF51+)
+ * CVE-2017-5384: Information disclosure via Proxy Auto-Config (PAC)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1255474 ***/
+user_pref("network.proxy.autoconfig_url.include_path", false);
+/* 2670: disable "image/" mime types bypassing CSP (FF51+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1288361 ***/
+user_pref("security.block_script_with_wrong_mime", true);
+/* 2671: disable in-content SVG (Scalable Vector Graphics) (FF53+)
+ * [WARNING] SVG is fairly common (~15% of the top 10K sites), so will cause some breakage
+ * including youtube player controls. Best left for "hardened" or specific profiles.
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1216893 ***/
+   // user_pref("svg.disabled", true);
+/* 2672: enforce Punycode for Internationalized Domain Names to eliminate possible spoofing security risk
+ * Firefox has *some* protections to mitigate the risk, but it is better to be safe
+ * than sorry. The downside: it will also display legitimate IDN's punycoded, which
+ * might be undesirable for users from countries with non-latin alphabets
+ * [TEST] https://www.xn--80ak6aa92e.com/ (www.apple.com)
+ * [1] http://kb.mozillazine.org/Network.IDN_show_punycode
+ * [2] https://wiki.mozilla.org/IDN_Display_Algorithm
+ * [3] https://en.wikipedia.org/wiki/IDN_homograph_attack
+ * [4] CVE-2017-5383: https://www.mozilla.org/en-US/security/advisories/mfsa2017-02/
+ * [5] https://www.xudongz.com/blog/2017/idn-phishing/ ***/
+user_pref("network.IDN_show_punycode", true);
+/* 2673: enable CSP (Content Security Policy) (default is true)
+ * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP ***/
+user_pref("security.csp.enable", true);
+/* 2674: enable CSP 1.1 experimental hash-source directive (FF29+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=855326
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=883975 ***/
+user_pref("security.csp.experimentalEnabled", true);
+
+/*** 2697: USER AGENT (UA) SPOOFING
+     Spoofing your UA to *LOWER* entropy *does* *not* *work*. It may even cause site breakage
+     depending on your values. Even if you spoof, like TBB (Tor Browser Bundle) does, as the
+     latest ESR, it still *does* *not* *work*. There are two main reasons for this.
+       1. Many of the components that make up your UA can be derived by other means. And when
+          those values differ, you provide more bits and raise entropy. Examples of leaks include
+          navigator objects, resource://URIs, <isindex> locale, feature detection and more.
+       2. You are not in a controlled set of significant numbers, where the values are enforced
+          by default. It works for TBB because for TBB, the spoofed values ARE their default.
+     * We do not recommend UA spoofing yourself, leave it to privacy.resistFingerprinting (see 2699)
+     * Values below are for example only based on the current ESR/TBB at the time of writing
+***/
+/* 2697a: navigator.userAgent leaks in JS
+ * [NOTE] Setting this will break any UA spoofing add-on whitelisting ***/
+   // user_pref("general.useragent.override", "Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101 Firefox/45.0"); // (hidden pref)
+/* 2697b: navigator.buildID (see gecko.buildID in about:config) reveals build time
+ * down to the second which defeats user agent spoofing and can compromise OS etc
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=583181 ***/
+   // user_pref("general.buildID.override", "20100101"); // (hidden pref)
+/* 2697c: navigator.appName ***/
+   //user_pref("general.appname.override", "Netscape"); // (hidden pref)
+/* 2697d: navigator.appVersion ***/
+   // user_pref("general.appversion.override", "5.0 (Windows)"); // (hidden pref)
+/* 2697e: navigator.platform leaks in JS ***/
+   // user_pref("general.platform.override", "Win32"); // (hidden pref)
+/* 2697f: navigator.oscpu leaks in JS ***/
+   // user_pref("general.oscpu.override", "Windows NT 6.1"); // (hidden pref)
+/* 2697g: general.useragent.locale (related, see 0204) ***/
+
+/*** 2698: FIRST PARTY ISOLATION (FPI) ***/
+/* 2698a: enable first party isolation pref and OriginAttribute (FF51+)
+ * [WARNING] Breaks lots of cross-domain logins and site functionality until perfected
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1260931 ***/
+/* 2698b: isolate favicons (FF52+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1277803 ***/
+/* 2698c: isolate OCSP cache (FF52+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1264562 ***/
+/* 2698d: isolate Shared Workers (FF52+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1268726 ***/
+/* 2698e: isolate SSL session cache (FF52+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1316283 ***/
+/* 2698f: isolate media cache (FF53+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1317927 ***/
+/* 2698g: isolate HSTS and HPKP (FF54+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1323644 ***/
+/* 2698h: isolate HTTP Alternative Services (FF54+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334690 ***/
+/* 2698i: isolate SPDY/HTTP2 (FF55+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334693 ***/
+/* 2698j: isolate DNS cache (FF55+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1337893 ***/
+/* 2698k: isolate blob: URI (FF55+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1344170 ***/
+   // user_pref("privacy.firstparty.isolate", true);
+   // user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // (FF54+)
+
+/*** 2699: TOR UPLIFT: privacy.resistFingerprinting
+     This preference will be used as a generic switch for a wide range of items.
+     This section will attempt to list all the ramifications and Mozilla tickets ***/
+/* 2699a: limit window.screen & CSS media queries providing large amounts of identifiable info.
+ * POC: http://ip-check.info/?lang=en (screen, usable screen, and browser window will match)
+ * [NOTE] Does not cover everything yet - https://bugzilla.mozilla.org/show_bug.cgi?id=1216800
+ * [NOTE] This will probably make your values pretty unique until you resize or snap the
+ * inner window width + height into standard/common resolutions (mine is at 1366x768)
+ * To set a size, open a XUL (chrome) page (such as about:config) which is at 100% zoom, hit
+ * Shift+F4 to open the scratchpad, type window.resizeTo(1366,768), hit Ctrl+R to run. Test
+ * your window size, do some math, resize to allow for all the non inner window elements
+ * [TEST] http://browserspy.dk/screen.php
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=418986 ***/
+/* 2699b: spoof screen orientation
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281949 ***/
+/* 2699c: hide the contents of navigator.plugins and navigator.mimeTypes (FF50+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281963 ***/
+/* 2699d: set new window sizes to round to hundreds (FF55+) [SETUP]
+ * [NOTE] If override values are too big, the code determines it for you
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1330882
+ * [2] https://metrics.mozilla.com/firefox-hardware-report/ ***/
+   // user_pref("privacy.window.maxInnerWidth", 1366);
+   // user_pref("privacy.window.maxInnerHeight", 768);
+/* 2699e: spoof timezone as UTC 0 (FF55+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1330890 ***/
+/* 2699f: spoof navigator.hardwareConcurrency as 2 (also see 2514) (FF55+)
+ * This spoof *shouldn't* affect core chrome/Firefox performance
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1360039 ***/
+/* 2699g: reduce precision of time exposed by javascript (FF55+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1217238 ***/
+user_pref("privacy.resistFingerprinting", true); // (hidden pref)
+
+/*** 2700: COOKIES & DOM STORAGE ***/
+user_pref("ghacks_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin' choir invisible!");
+/* 2701: disable cookies on all sites [SETUP]
+ * You can set exceptions under site permissions or use an extension (eg Cookie Controller)
+ * 0=allow all 1=allow same host 2=disallow all 3=allow 3rd party if it already set a cookie
+ * [SETTING] Options>Privacy>History>Custom Settings>Accept cookies from sites ***/
+user_pref("network.cookie.cookieBehavior", 2);
+/* 2702: set third-party cookies (if enabled, see above pref) to session-only
+ * [1] https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/
+ * [2] http://kb.mozillazine.org/Network.cookie.thirdparty.sessionOnly ***/
+user_pref("network.cookie.thirdparty.sessionOnly", true);
+/* 2703: set cookie lifetime policy
+ * 0=until they expire (default), 2=until you close Firefox, 3=for n days (see next pref)
+ * [SETTING] Options>Privacy>History>Custom Settings>Accept cookies from sites>Keep until ***/
+   // user_pref("network.cookie.lifetimePolicy", 0);
+/* 2704: set cookie lifetime in days (see above pref) - default is 90 days ***/
+   // user_pref("network.cookie.lifetime.days", 90);
+/* 2705: disable dom storage
+ * [WARNING] This will break a LOT of sites' functionality.
+ * You are better off using an extension for more granular control ***/
+   // user_pref("dom.storage.enabled", false);
+/* 2706: disable Storage API
+ * The API gives sites the ability to find out how much space they can use, how much
+ * they are already using, and even control whether or not they need to be alerted
+ * before the user agent disposes of site data in order to make room for other things.
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/StorageManager
+ * [2] https://developer.mozilla.org/en-US/docs/Web/API/Storage_API
+ * [3] https://blog.mozilla.org/l10n/2017/03/07/firefox-l10n-report-aurora-54/ ***/
+user_pref("dom.storageManager.enabled", false); // (FF51+)
+user_pref("browser.storageManager.enabled", false); // (FF53+)
+/* 2707: clear localStorage and UUID when a WebExtension is uninstalled
+ * [NOTE] Both preferences must be the same
+ * [1] https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/storage/local
+ * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1213990 ***/
+user_pref("extensions.webextensions.keepStorageOnUninstall", false);
+user_pref("extensions.webextensions.keepUuidOnUninstall", false);
+/* 2708: disable HTTP sites setting cookies with the "secure" directive (default: true) (FF52+)
+ * [1] https://developer.mozilla.org/en-US/Firefox/Releases/52#HTTP ***/
+user_pref("network.cookie.leave-secure-alone", true);
+
+/*** 2800: SHUTDOWN [SETUP]
+     You should set the values to what suits you best. Be aware that the settings below clear
+     browsing, download and form history, but not cookies (we expect you to use an extension).
+     [NOTE] In both 2803 + 2804, the 'download' and 'history' prefs are combined in the
+     firefox interface as "Browsing & Download History" and their values will be synced
+ ***/
+user_pref("ghacks_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!");
+/* 2802: enable Firefox to clear history items on shutdown
+ * [SETTING] Options>Privacy>Clear history when Firefox closes ***/
+user_pref("privacy.sanitize.sanitizeOnShutdown", true);
+/* 2803: set what history items to clear on shutdown
+ * [SETTING] Options>Privacy>Clear history when Firefox closes>Settings
+ * [NOTE] If 'history' is true, downloads will also be cleared regardless of the value
+ * but if 'history' is false, downloads can still be cleared independently
+ * However, this may not always be the case. The interface combines and syncs these
+ * prefs when set from there, and the sanitize code may change at any time ***/
+user_pref("privacy.clearOnShutdown.cache", true);
+user_pref("privacy.clearOnShutdown.cookies", false);
+user_pref("privacy.clearOnShutdown.downloads", true); // see note above
+user_pref("privacy.clearOnShutdown.formdata", true); // Form & Search History
+user_pref("privacy.clearOnShutdown.history", true); // Browsing & Download History
+user_pref("privacy.clearOnShutdown.offlineApps", true); // Offline Website Data
+user_pref("privacy.clearOnShutdown.sessions", true); // Active Logins
+user_pref("privacy.clearOnShutdown.siteSettings", false); // Site Preferences
+/* 2804: set what history items to clear with Ctrl-Shift-Del (to match above)
+ * This dialog can also be accessed from the menu History>Clear Recent History
+ * [NOTE] Regardless of what you set privacy.cpd.downloads to, as soon as the dialog
+ * for "Clear Recent History" is opened, it is synced to the same as 'history' ***/
+user_pref("privacy.cpd.cache", true);
+user_pref("privacy.cpd.cookies", false);
+   // user_pref("privacy.cpd.downloads", true); // not used, see note above
+user_pref("privacy.cpd.formdata", true); // Form & Search History
+user_pref("privacy.cpd.history", true); // Browsing & Download History
+user_pref("privacy.cpd.offlineApps", true); // Offline Website Data
+user_pref("privacy.cpd.passwords", false); // this is not listed
+user_pref("privacy.cpd.sessions", true); // Active Logins
+user_pref("privacy.cpd.siteSettings", false); // Site Preferences
+/* 2805: privacy.*.openWindows (clear session restore data) (FF34+)
+ * [NOTE] There is a years-old bug that these cause two windows when Firefox restarts.
+ * You do not need these anyway if session restore is disabled (see 1020) ***/
+   // user_pref("privacy.clearOnShutdown.openWindows", true);
+   // user_pref("privacy.cpd.openWindows", true);
+/* 2806: reset default 'Time range to clear' for 'Clear Recent History' (see 2804)
+ * Firefox remembers your last choice. This will reset the value when you start Firefox.
+ * 0=everything, 1=last hour, 2=last two hours, 3=last four hours
+ * 4=today, 5=last five minutes, 6=last twenty-four hours
+ * [NOTE] The values 5 + 6 are not listed in the dropdown, which will display a
+ * blank value if they are used, but they do work as advertised ***/
+user_pref("privacy.sanitize.timeSpan", 0);
+
+/*** 3000: PERSONAL SETTINGS [SETUP]
+     Settings that are handy to migrate and/or are not in the Options interface. Users
+     can put their own non-security/privacy/fingerprinting/tracking stuff here ***/
+user_pref("ghacks_user.js.parrot", "3000 syntax error: this is an ex-parrot!");
+/* 3001: disable annoying warnings ***/
+user_pref("general.warnOnAboutConfig", false);
+user_pref("browser.tabs.warnOnClose", false);
+user_pref("browser.tabs.warnOnCloseOtherTabs", false);
+user_pref("browser.tabs.warnOnOpen", false);
+/* 3001a: disable warning when a domain requests full screen
+ * [1] https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode ***/
+   // user_pref("full-screen-api.warning.delay", 0);
+   // user_pref("full-screen-api.warning.timeout", 0);
+/* 3002: disable closing browser with last tab ***/
+user_pref("browser.tabs.closeWindowWithLastTab", false);
+/* 3004: disable backspace (0=previous page, 1=scroll up, 2=do nothing) ***/
+user_pref("browser.backspace_action", 2);
+/* 3005: disable autocopy default (linux) ***/
+   // user_pref("clipboard.autocopy", false);
+/* 3006: disable enforced add-on signing (FF43+)
+ * [NOTE] Only applicable to Nightly and ESR (FF48+)
+ * [1] https://wiki.mozilla.org/Add-ons/Extension_Signing#Documentation ***/
+   // user_pref("xpinstall.signatures.required", false);
+/* 3007: open new windows in a new tab instead
+ * 1=current window, 2=new window, 3=most recent window
+ * [SETTING] Options>General>Tabs>Open new windows in a new tab instead ***/
+user_pref("browser.link.open_newwindow", 3);
+/* 3009: enable APZ (Async Pan/Zoom) - requires e10s
+ * [1] http://www.ghacks.net/2015/07/28/scrolling-in-firefox-to-get-a-lot-better-thanks-to-apz/ ***/
+   // user_pref("layers.async-pan-zoom.enabled", true);
+/* 3010: enable ctrl-tab previews ***/
+user_pref("browser.ctrlTab.previews", true);
+/* 3011: don't open "page/selection source" in a tab. The window used instead is cleaner
+ * and easier to use and move around (eg developers/multi-screen). ***/
+user_pref("view_source.tab", false);
+/* 3012: control spellchecking: 0=none, 1-multi-line controls, 2=multi-line & single-line controls ***/
+user_pref("layout.spellcheckDefault", 1);
+/* 3013: disable automatic "Work Offline" status
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=620472
+ * [2] https://developer.mozilla.org/en-US/docs/Online_and_offline_events ***/
+user_pref("network.manage-offline-status", false);
+/* 3015: disable tab animation, speed things up a little ***/
+user_pref("browser.tabs.animate", false);
+/* 3016: disable fullscreeen animation. Test using F11.
+ * Animation is smother but is annoyingly slow, while no animation can be startling ***/
+user_pref("browser.fullscreen.animate", false);
+/* 3017: set submenu delay in milliseconds. 0=instant while a small number allows
+ * a mouse pass over menu items without any submenus alarmingly shooting out ***/
+user_pref("ui.submenuDelay", 150); // (hidden pref)
+/* 3018: set maximum number of daily bookmark backups to keep (default is 15) ***/
+user_pref("browser.bookmarks.max_backups", 2);
+/* 3020: control urlbar click behaviour (with defaults) ***/
+user_pref("browser.urlbar.clickSelectsAll", true);
+user_pref("browser.urlbar.doubleClickSelectsAll", false);
+/* 3021a: control tab behaviours (with defaults)
+ * open links in a new tab immediately to the right of parent tab, not far right ***/
+user_pref("browser.tabs.insertRelatedAfterCurrent", true);
+/* 3021b: switch to the parent tab (if it has one) on close, rather than
+ * to the adjacent right tab if it exists or to the adjacent left tab if it doesn't.
+ * [NOTE] Requires browser.link.open_newwindow set to 3 (see pref 3007) ***/
+user_pref("browser.tabs.selectOwnerOnClose", true);
+/* 3021c: stay on the parent tab when opening links in a new tab
+ * [SETTING] Options>General>Tabs>When I open a link in a new tab, switch to it immediately ***/
+user_pref("browser.tabs.loadInBackground", true);
+/* 3021d: set behavior of pages normally meant to open in a new window (such as target="_blank"
+ * or from an external program), but that have instead been loaded in a new tab.
+ * true: load the new tab in the background, leaving focus on the current tab
+ * false: load the new tab in the foreground, taking the focus from the current tab. ***/
+user_pref("browser.tabs.loadDivertedInBackground", false);
+/* 3022: hide recently bookmarked items (you still have the original bookmarks) (FF49+) ***/
+user_pref("browser.bookmarks.showRecentlyBookmarked", false);
+/* 3024: enable "Find As You Type"
+ * [1] http://kb.mozillazine.org/Accessibility.typeaheadfind ***/
+   // user_pref("accessibility.typeaheadfind", true);
+/* 3025: enable/disable various media types ***/
+   // user_pref("media.mp4.enabled", false);
+   // user_pref("media.flac.enabled", false); // (FF51+)
+   // user_pref("media.ogg.enabled", false);
+   // user_pref("media.ogg.flac.enabled", false); // (FF51+)
+   // user_pref("media.opus.enabled", false);
+   // user_pref("media.raw.enabled", false);
+   // user_pref("media.wave.enabled", false);
+   // user_pref("media.webm.enabled", false);
+   // user_pref("media.wmf.enabled", false); // https://www.youtube.com/html5 - for the two H.264 entries
+/* 3026: disable "Reader View" ***/
+   // user_pref("reader.parse-on-load.enabled", false);
+/* 3027: decode URLs on copy from the urlbar (FF53+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1320061 ***/
+user_pref("browser.urlbar.decodeURLsOnCopy", true);
+/* 3028: disable middle-click enabling auto-scrolling [WINDOWS] [MAC] ***/
+   // user_pref("general.autoScroll", false);
+/* 3029: disable Firefox Screenshots (FF54+)
+ * [1] https://www.ghacks.net/2017/05/28/firefox-screenshots-integrated-in-firefox-nightly/
+ * [2] https://github.com/mozilla-services/screenshots ***/
+   // user_pref("extensions.screenshots.system-disabled", true);
+
+/* END: internal custom pref to test for syntax errors ***/
+user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Remarkable bird, the Norwegian Blue");
+
+/*** 9999: DEPRECATED / REMOVED / LEGACY / RENAMED
+     Documentation denoted as [-]. Numbers may be re-used. See [1] for a link-clickable,
+     viewer-friendly version of the deprecated bugzilla tickets. To enable a section
+     change /* FFxx to // FFxx. The original state of each pref has been preserved,
+     or changed to match the current setup, but you are advised to review them.
+     [1] https://github.com/ghacksuserjs/ghacks-user.js/issues/123
+***/
+/* FF42 and older
+// 2607: (25+) disable page thumbnails - replaced by browser.pagethumbnails.capturing_disabled
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=897811
+user_pref("pageThumbs.enabled", false);
+// 2503: (31+) disable network API - replaced by dom.netinfo.enabled
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=960426
+user_pref("dom.network.enabled", false);
+// 2620: (35+) disable WebSockets
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1091016
+user_pref("network.websocket.enabled", false);
+// 1610: (36+) set DNT "value" to "not be tracked" (FF21+)
+   // [1] http://kb.mozillazine.org/Privacy.donottrackheader.value
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1042135#c101
+   // user_pref("privacy.donottrackheader.value", 1);
+// 2023: (37+) disable camera autofocus callback
+   // The API will be superceded by the WebRTC Capture and Stream API
+   // [1] https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS/API/CameraControl/
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1107683
+user_pref("camera.control.autofocus_moving_callback.enabled", false);
+// 0415: (41+) disable reporting URLs (safe browsing) - removed or replaced by various
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1109475
+user_pref("browser.safebrowsing.reportErrorURL", ""); // browser.safebrowsing.reportPhishMistakeURL
+user_pref("browser.safebrowsing.reportGenericURL", ""); // removed
+user_pref("browser.safebrowsing.reportMalwareErrorURL", ""); // browser.safebrowsing.reportMalwareMistakeURL
+user_pref("browser.safebrowsing.reportMalwareURL", ""); // removed
+user_pref("browser.safebrowsing.reportURL", ""); // removed
+// 1804: (41+) disable plugin enumeration
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1169945
+user_pref("plugins.enumerable_names", "");
+// 2614: (41+) disable HTTP2 (draft)
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1132357
+user_pref("network.http.spdy.enabled.http2draft", false);
+// 2803: (42+) clear passwords on shutdown
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1102184
+   // user_pref("privacy.clearOnShutdown.passwords", false);
+// 3001a: (42+) disable warning when a domain requests full screen
+   // replaced by setting full-screen-api.warning.timeout to zero
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1160017
+   // user_pref("full-screen-api.approval-required", false);
+// ***/
+/* FF43
+// 0410's: disable safebrowsing urls & updates - replaced by various
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1107372
+   // user_pref("browser.safebrowsing.gethashURL", ""); // browser.safebrowsing.provider.google.gethashURL
+   // user_pref("browser.safebrowsing.updateURL", ""); // browser.safebrowsing.provider.google.updateURL
+user_pref("browser.safebrowsing.malware.reportURL", ""); // browser.safebrowsing.provider.google.reportURL
+// 0420's: disable tracking protection - replaced by various
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1107372
+   // user_pref("browser.trackingprotection.gethashURL", ""); // browser.safebrowsing.provider.mozilla.gethashURL
+   // user_pref("browser.trackingprotection.updateURL", ""); // browser.safebrowsing.provider.mozilla.updateURL
+// 1803: remove plugin finder service
+   // [1] http://kb.mozillazine.org/Pfs.datasource.url
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1202193
+user_pref("pfs.datasource.url", "");
+// 3003: disable new search panel UI
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1119250
+   // user_pref("browser.search.showOneOffButtons", false);
+// ***/
+/* FF44
+// 0414: disable safebrowsing's real-time binary checking (google) (FF43+)
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1237103
+user_pref("browser.safebrowsing.provider.google.appRepURL", ""); // browser.safebrowsing.appRepURL
+// 1200's: block rc4 whitelist
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1215796
+user_pref("security.tls.insecure_fallback_hosts.use_static_list", false);
+// 2301: disable SharedWorkers
+   // [1] https://bugs.torproject.org/15562
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1207635
+user_pref("dom.workers.sharedWorkers.enabled", false);
+// 2403: disable scripts changing images
+   // [TEST] http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_img_src2
+   // [WARNING] Will break some sites such as Google Maps and a lot of web apps
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=773429
+   // user_pref("dom.disable_image_src_set", true);
+// ***/
+/* FF45
+// 1021b: disable deferred level of storing extra session data 0=all 1=http-only 2=none
+   // extra session data contains contents of forms, scrollbar positions, cookies and POST data
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1235379
+user_pref("browser.sessionstore.privacy_level_deferred", 2);
+// ***/
+/* FF46
+// 0333a: disable health report
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1234526
+user_pref("datareporting.healthreport.service.enabled", false); // (hidden pref)
+user_pref("datareporting.healthreport.documentServerURI", ""); // (hidden pref)
+// 0334b: disable FHR (Firefox Health Report) v2 data being sent to Mozilla servers
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1234522
+user_pref("datareporting.policy.dataSubmissionEnabled.v2", false);
+// 0373: disable "Pocket" - replaced by extensions.pocket.*
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1215694
+user_pref("browser.pocket.enabled", false);
+user_pref("browser.pocket.api", "");
+user_pref("browser.pocket.site", "");
+user_pref("browser.pocket.oAuthConsumerKey", "");
+// 0414: disable safebrowsing pref - replaced by browser.safebrowsing.downloads.remote.url
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1239587
+user_pref("browser.safebrowsing.appRepURL", ""); // Google application reputation check
+// 0420: disable polaris (part of Tracking Protection, never used in stable)
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1235565
+   // user_pref("browser.polaris.enabled", false);
+// ***/
+/* FF47
+// 0330b: set unifiedIsOptIn to make sure telemetry respects OptIn choice and that telemetry
+   // is enabled ONLY for people that opted into it, even if unified Telemetry is enabled
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1236580
+user_pref("toolkit.telemetry.unifiedIsOptIn", true); // (hidden pref)
+// 0333b: disable about:healthreport page UNIFIED
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1236580
+user_pref("datareporting.healthreport.about.reportUrlUnified", "data:text/plain,");
+// 0807: disable history manipulation
+   // [1] https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Manipulating_the_browser_history
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1249542
+user_pref("browser.history.allowPopState", false);
+user_pref("browser.history.allowPushState", false);
+user_pref("browser.history.allowReplaceState", false);
+// ***/
+/* FF48
+// 0806: disable 'unified complete': 'Search with [default search engine]'
+   // [-] http://techdows.com/2016/05/firefox-unified-complete-aboutconfig-preference-removed.html
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1181078
+user_pref("browser.urlbar.unifiedcomplete", false);
+// ***/
+/* FF49
+// 0372: disable "Hello"
+   // [1] https://www.mozilla.org/en-US/privacy/firefox-hello/
+   // [2] https://security.stackexchange.com/questions/94284/how-secure-is-firefox-hello
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1287827
+user_pref("loop.enabled", false);
+user_pref("loop.server", "");
+user_pref("loop.feedback.formURL", "");
+user_pref("loop.feedback.manualFormURL", "");
+user_pref("loop.facebook.appId", "");
+user_pref("loop.facebook.enabled", false);
+user_pref("loop.facebook.fallbackUrl", "");
+user_pref("loop.facebook.shareUrl", "");
+user_pref("loop.logDomains", false);
+// 2202: disable new window scrollbars being hidden
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1257887
+user_pref("dom.disable_window_open_feature.scrollbars", true);
+// 2303: disable push notification (UDP wake-up)
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1265914
+user_pref("dom.push.udp.wakeupEnabled", false);
+// ***/
+/* FF50
+// 0101: disable Windows10 intro on startup [WINDOWS]
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1274633
+user_pref("browser.usedOnWindows10.introURL", "");
+// 0308: disable plugin update notifications
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1277905
+user_pref("plugins.update.notifyUser", false);
+// 0410: disable "Block dangerous and deceptive content" - replaced by browser.safebrowsing.phishing.enabled
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1025965
+   // user_pref("browser.safebrowsing.enabled", false);
+// 1266: disable rc4 ciphers
+   // [1] https://trac.torproject.org/projects/tor/ticket/17369
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1268728
+   // [-] https://www.fxsitecompat.com/en-CA/docs/2016/rc4-support-has-been-completely-removed/
+user_pref("security.ssl3.ecdhe_ecdsa_rc4_128_sha", false);
+user_pref("security.ssl3.ecdhe_rsa_rc4_128_sha", false);
+user_pref("security.ssl3.rsa_rc4_128_md5", false);
+user_pref("security.ssl3.rsa_rc4_128_sha", false);
+// 1809: remove Mozilla's plugin update URL
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1277905
+user_pref("plugins.update.url", "");
+// ***/
+/* FF51
+// 1851: delay play of videos until they're visible
+   // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1180563
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1262053
+user_pref("media.block-play-until-visible", true);
+// 2504: disable virtual reality devices
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1250244
+user_pref("dom.vr.oculus050.enabled", false);
+// 2614: disable SPDY
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1248197
+user_pref("network.http.spdy.enabled.v3-1", false);
+// ***/
+/* FF52
+// 1601: disable referer from an SSL Website
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1308725
+user_pref("network.http.sendSecureXSiteReferrer", false);
+// 1850: disable Adobe EME "Primetime CDM" (Content Decryption Module)
+   // [1] https://trac.torproject.org/projects/tor/ticket/16285
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1329538 // FF52
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1337121 // FF52
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1329543 // FF53
+user_pref("media.gmp-eme-adobe.enabled", false);
+user_pref("media.gmp-eme-adobe.visible", false);
+user_pref("media.gmp-eme-adobe.autoupdate", false);
+// 2405: disable WebTelephony API
+   // [1] https://wiki.mozilla.org/WebAPI/Security/WebTelephony
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1309719
+user_pref("dom.telephony.enabled", false);
+// 2502: disable Battery Status API. Initially a Linux issue (high precision readout) that
+   // was fixed. However, it is still another metric for fingerprinting, used to raise entropy.
+   // eg: do you have a battery or not, current charging status, charge level, times remaining etc
+   // [1] http://techcrunch.com/2015/08/04/battery-attributes-can-be-used-to-track-web-users/
+   // [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1124127
+   // [3] https://www.w3.org/TR/battery-status/
+   // [4] https://www.theguardian.com/technology/2016/aug/02/battery-status-indicators-tracking-online
+   // [NOTE] From FF52+ Battery Status API is only available in chrome/privileged code.
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1313580
+user_pref("dom.battery.enabled", false);
+// ***/
+/* FF53
+// 1265: block rc4 fallback
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1130670
+user_pref("security.tls.unrestricted_rc4_fallback", false);
+// 1806: disable Acrobat, Quicktime, WMP (the string = min version number allowed)
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1317109
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1317110
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1317108
+user_pref("plugin.scan.Acrobat", "99999");
+user_pref("plugin.scan.Quicktime", "99999");
+user_pref("plugin.scan.WindowsMediaPlayer", "99999");
+// 2022: disable screensharing
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1329562
+user_pref("media.getusermedia.screensharing.allow_on_old_platforms", false);
+// 2507: disable keyboard fingerprinting
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1322736
+user_pref("dom.beforeAfterKeyboardEvent.enabled", false);
+// ***/
+/* FF54
+// 0415: disable reporting URLs (safe browsing)
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1288633
+user_pref("browser.safebrowsing.reportMalwareMistakeURL", "");
+user_pref("browser.safebrowsing.reportPhishMistakeURL", "");
+// 1830: block websites detecting DRM is disabled
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1242321
+user_pref("media.eme.apiVisible", false);
+// 2425: disable Archive Reader API
+   // i.e reading archive contents directly in the browser, through DOM file objects
+   // [-] https://bugzilla.mozilla.org/show_bug.cgi?id=1342361
+user_pref("dom.archivereader.enabled", false);
+// ***/