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switch to user-override for customizations, fix the extension scopes

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idk
2022-08-07 19:30:20 -04:00
parent e154064cbd
commit 3329925e73
6 changed files with 429 additions and 423 deletions
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4
src/app-profile/prefs.js
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@ -60,4 +60,6 @@ user_pref("webgl.disable-fail-if-major-performance-caveat", true);
user_pref("webgl.enable-webgl2", false);
user_pref("media.navigator.enabled", false);
user_pref("dom.w3c_touch_events.enabled", false);
user_pref("browser.display.use_system_colors", false);
user_pref("browser.display.use_system_colors", false);
user_pref("extensions.autoDisableScopes", 0);
user_pref("extensions.enabledScopes", 1);

3
src/app-profile/user-override.js
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@ -172,7 +172,8 @@ user_pref("dom.serviceWorkers.enabled", false);
user_pref("dom.serviceWorkers.interception.enabled", false);
user_pref("dom.storage.enabled", false);
user_pref("dom.webaudio.enabled", false);
user_pref("extensions.autoDisableScopes", 14);
user_pref("extensions.autoDisableScopes", 0);
user_pref("extensions.enabledScopes", 1);
user_pref("extensions.getAddons.cache.enabled", false);
user_pref("extensions.getAddons.showPane", false);
user_pref("extensions.pocket.enabled", false);

420
src/app-profile/user.js
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@ -114,7 +114,7 @@ user_pref("_user.js.parrot", "0200 syntax error: the parrot's definitely decease
/* 0201: use Mozilla geolocation service instead of Google if permission is granted [FF74+]
* Optionally enable logging to the console (defaults to false) ***/
user_pref("geo.provider.network.url", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
// user_pref("geo.provider.network.logging.enabled", true); // [HIDDEN PREF]
// user_pref("geo.provider.network.logging.enabled", true); // [HIDDEN PREF]
/* 0202: disable using the OS's geolocation service ***/
user_pref("geo.provider.ms-windows-location", false); // [WINDOWS]
user_pref("geo.provider.use_corelocation", false); // [MAC]
@ -125,7 +125,7 @@ user_pref("browser.region.network.url", ""); // [FF78+]
user_pref("browser.region.update.enabled", false); // [FF79+]
/* 0204: set search region
* [NOTE] May not be hidden if Firefox has changed your settings due to your region (0203) ***/
// user_pref("browser.search.region", "US"); // [HIDDEN PREF]
// user_pref("browser.search.region", "US"); // [HIDDEN PREF]
/* 0210: set preferred language for displaying pages
* [SETTING] General>Language and Appearance>Language>Choose your preferred language...
* [TEST] https://addons.mozilla.org/about ***/
@ -196,7 +196,7 @@ user_pref("app.normandy.api_url", "");
/* 0350: disable Crash Reports ***/
user_pref("breakpad.reportURL", "");
user_pref("browser.tabs.crashReporting.sendReport", false); // [FF44+]
// user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+] [DEFAULT: false]
// user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+] [DEFAULT: false]
/* 0351: enforce no submission of backlogged Crash Reports [FF58+]
* [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send backlogged crash reports ***/
user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DEFAULT: false]
@ -224,28 +224,28 @@ user_pref("_user.js.parrot", "0400 syntax error: the parrot's passed on!");
/* 0401: disable SB (Safe Browsing)
* [WARNING] Do this at your own risk! These are the master switches
* [SETTING] Privacy & Security>Security>... Block dangerous and deceptive content ***/
// user_pref("browser.safebrowsing.malware.enabled", false);
// user_pref("browser.safebrowsing.phishing.enabled", false);
// user_pref("browser.safebrowsing.malware.enabled", false);
// user_pref("browser.safebrowsing.phishing.enabled", false);
/* 0402: disable SB checks for downloads (both local lookups + remote)
* This is the master switch for the safebrowsing.downloads* prefs (0403, 0404)
* [SETTING] Privacy & Security>Security>... "Block dangerous downloads" ***/
// user_pref("browser.safebrowsing.downloads.enabled", false);
// user_pref("browser.safebrowsing.downloads.enabled", false);
/* 0403: disable SB checks for downloads (remote)
* To verify the safety of certain executable files, Firefox may submit some information about the
* file, including the name, origin, size and a cryptographic hash of the contents, to the Google
* Safe Browsing service which helps Firefox determine whether or not the file should be blocked
* [SETUP-SECURITY] If you do not understand this, or you want this protection, then override this ***/
user_pref("browser.safebrowsing.downloads.remote.enabled", false);
// user_pref("browser.safebrowsing.downloads.remote.url", ""); // Defense-in-depth
// user_pref("browser.safebrowsing.downloads.remote.url", ""); // Defense-in-depth
/* 0404: disable SB checks for unwanted software
* [SETTING] Privacy & Security>Security>... "Warn you about unwanted and uncommon software" ***/
// 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_potentially_unwanted", false);
// user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false);
/* 0405: disable "ignore this warning" on SB warnings [FF45+]
* If clicked, it bypasses the block for that session. This is a means for admins to enforce SB
* [TEST] see https://github.com/arkenfox/user.js/wiki/Appendix-A-Test-Sites#-mozilla
* [1] https://bugzilla.mozilla.org/1226490 ***/
// user_pref("browser.safebrowsing.allowOverride", false);
// user_pref("browser.safebrowsing.allowOverride", false);
/*** [SECTION 0600]: BLOCK IMPLICIT OUTBOUND [not explicitly asked for - e.g. clicked on] ***/
user_pref("_user.js.parrot", "0600 syntax error: the parrot's no more!");
@ -255,7 +255,7 @@ user_pref("network.prefetch-next", false);
/* 0602: disable DNS prefetching
* [1] https://developer.mozilla.org/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control ***/
user_pref("network.dns.disablePrefetch", true);
// user_pref("network.dns.disablePrefetchFromHTTPS", true); // [DEFAULT: true]
// user_pref("network.dns.disablePrefetchFromHTTPS", true); // [DEFAULT: true]
/* 0603: disable predictor / prefetching ***/
user_pref("network.predictor.enabled", false);
user_pref("network.predictor.enable-prefetch", false); // [FF48+] [DEFAULT: false]
@ -266,7 +266,7 @@ user_pref("network.http.speculative-parallel-limit", 0);
user_pref("browser.places.speculativeConnect.enabled", false);
/* 0610: enforce no "Hyperlink Auditing" (click tracking)
* [1] https://www.bleepingcomputer.com/news/software/major-browsers-to-prevent-disabling-of-click-tracking-privacy-risk/ ***/
// user_pref("browser.send_pings", false); // [DEFAULT: false]
// user_pref("browser.send_pings", false); // [DEFAULT: false]
/*** [SECTION 0700]: DNS / DoH / PROXY / SOCKS / IPv6 ***/
user_pref("_user.js.parrot", "0700 syntax error: the parrot's given up the ghost!");
@ -301,13 +301,13 @@ user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
* [WARNING] Default true is a security feature against malicious extensions [1]
* [SETUP-CHROME] If you use a proxy and you trust your extensions
* [1] https://blog.mozilla.org/security/2021/10/25/securing-the-proxy-api-for-firefox-add-ons/ ***/
// user_pref("network.proxy.failover_direct", false);
// user_pref("network.proxy.failover_direct", false);
/* 0706: disable proxy bypass for system request failures [FF95+]
* RemoteSettings, UpdateService, Telemetry [1]
* [WARNING] If false, this will break the fallback for some security features
* [SETUP-CHROME] If you use a proxy and you understand the security impact
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1732792,1733994,1733481 ***/
// user_pref("network.proxy.allow_bypass", false); // [HIDDEN PREF FF95-96]
// user_pref("network.proxy.allow_bypass", false); // [HIDDEN PREF FF95-96]
/* 0710: disable DNS-over-HTTPS (DoH) rollout [FF60+]
* 0=off by default, 2=TRR (Trusted Recursive Resolver) first, 3=TRR only, 5=explicitly off
* see "doh-rollout.home-region": USA 2019, Canada 2021, Russia/Ukraine 2022 [3]
@ -315,7 +315,7 @@ user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
* [2] https://wiki.mozilla.org/Security/DOH-resolver-policy
* [3] https://support.mozilla.org/en-US/kb/firefox-dns-over-https
* [4] https://www.eff.org/deeplinks/2020/12/dns-doh-and-odoh-oh-my-year-review-2020 ***/
// user_pref("network.trr.mode", 5);
// user_pref("network.trr.mode", 5);
/*** [SECTION 0800]: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS ***/
user_pref("_user.js.parrot", "0800 syntax error: the parrot's ceased to be!");
@ -355,7 +355,7 @@ user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false);
/* 0808: disable tab-to-search [FF85+]
* Alternatively, you can exclude on a per-engine basis by unchecking them in Options>Search
* [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest>Search engines ***/
// user_pref("browser.urlbar.suggest.engines", false);
// user_pref("browser.urlbar.suggest.engines", false);
/* 0810: disable search and form history
* [SETUP-WEB] Be aware that autocomplete form data can be read by third parties [1][2]
* [NOTE] We also clear formdata on exit (2811)
@ -383,7 +383,7 @@ user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
* [3] https://bugzilla.mozilla.org/1632765
* [4] https://earthlng.github.io/testpages/visited_links.html (see github wiki APPENDIX A on how to use)
* [5] https://lcamtuf.blogspot.com/2016/08/css-mix-blend-mode-is-bad-for-keeping.html ***/
// user_pref("layout.css.visited_links_enabled", false);
// user_pref("layout.css.visited_links_enabled", false);
/*** [SECTION 0900]: PASSWORDS
[1] https://support.mozilla.org/kb/use-primary-password-protect-stored-logins-and-pas
@ -518,9 +518,9 @@ user_pref("security.mixed_content.block_display_content", true);
* [TEST] http://example.com [upgrade]
* [TEST] http://httpforever.com/ [no upgrade] ***/
user_pref("dom.security.https_only_mode", true); // [FF76+]
// user_pref("dom.security.https_only_mode_pbm", true); // [FF80+]
// user_pref("dom.security.https_only_mode_pbm", true); // [FF80+]
/* 1245: enable HTTPS-Only mode for local resources [FF77+] ***/
// user_pref("dom.security.https_only_mode.upgrade_local", true);
// user_pref("dom.security.https_only_mode.upgrade_local", true);
/* 1246: disable HTTP background requests [FF82+]
* When attempting to upgrade, if the server doesn't respond within 3 seconds, Firefox sends
* a top-level HTTP request without path in order to check if the server supports HTTPS or not
@ -554,9 +554,9 @@ user_pref("gfx.font_rendering.opentype_svg.enabled", false);
* In Private Browsing windows: uses the most restrictive between normal and private
* 1=only base system fonts, 2=also fonts from optional language packs, 3=also user-installed fonts
* [1] https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc ***/
// user_pref("layout.css.font-visibility.private", 1);
// user_pref("layout.css.font-visibility.standard", 1);
// user_pref("layout.css.font-visibility.trackingprotection", 1);
// user_pref("layout.css.font-visibility.private", 1);
// user_pref("layout.css.font-visibility.standard", 1);
// user_pref("layout.css.font-visibility.trackingprotection", 1);
/*** [SECTION 1600]: HEADERS / REFERERS
full URI: https://example.com:8888/foo/bar.html?id=1234
@ -584,7 +584,7 @@ user_pref("privacy.userContext.ui.enabled", true);
/* 1702: set behavior on "+ Tab" button to display container menu on left click [FF74+]
* [NOTE] The menu is always shown on long press and right click
* [SETTING] General>Tabs>Enable Container Tabs>Settings>Select a container for each new tab ***/
// user_pref("privacy.userContext.newTabContainerOnLeftClick.enabled", true);
// user_pref("privacy.userContext.newTabContainerOnLeftClick.enabled", true);
/*** [SECTION 2000]: PLUGINS / MEDIA / WEBRTC ***/
user_pref("_user.js.parrot", "2000 syntax error: the parrot's snuffed it!");
@ -596,7 +596,7 @@ user_pref("_user.js.parrot", "2000 syntax error: the parrot's snuffed it!");
* [TEST] https://browserleaks.com/webrtc
* [1] https://groups.google.com/g/discuss-webrtc/c/6stQXi72BEU/m/2FwZd24UAQAJ
* [2] https://datatracker.ietf.org/doc/html/draft-ietf-mmusic-mdns-ice-candidates#section-3.1.1 ***/
// user_pref("media.peerconnection.enabled", false);
// user_pref("media.peerconnection.enabled", false);
/* 2002: force WebRTC inside the proxy [FF70+] ***/
user_pref("media.peerconnection.ice.proxy_only_if_behind_proxy", true);
/* 2003: force a single network interface for ICE candidates generation [FF42+]
@ -607,13 +607,13 @@ user_pref("media.peerconnection.ice.default_address_only", true);
/* 2004: force exclusion of private IPs from ICE candidates [FF51+]
* [SETUP-HARDEN] This will protect your private IP even in TRUSTED scenarios after you
* grant device access, but often results in breakage on video-conferencing platforms ***/
// user_pref("media.peerconnection.ice.no_host", true);
// user_pref("media.peerconnection.ice.no_host", true);
/* 2020: disable GMP (Gecko Media Plugins)
* [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/
// user_pref("media.gmp-provider.enabled", false);
// user_pref("media.gmp-provider.enabled", false);
/* 2021: disable widevine CDM (Content Decryption Module)
* [NOTE] This is covered by the EME master switch (2022) ***/
// user_pref("media.gmp-widevinecdm.enabled", false);
// user_pref("media.gmp-widevinecdm.enabled", false);
/* 2022: disable all DRM content (EME: Encryption Media Extension)
* Optionally hide the setting which also disables the DRM prompt
* [SETUP-WEB] e.g. Netflix, Amazon Prime, Hulu, HBO, Disney+, Showtime, Starz, DirectTV
@ -621,12 +621,12 @@ user_pref("media.peerconnection.ice.default_address_only", true);
* [TEST] https://bitmovin.com/demos/drm
* [1] https://www.eff.org/deeplinks/2017/10/drms-dead-canary-how-we-just-lost-web-what-we-learned-it-and-what-we-need-do-next ***/
user_pref("media.eme.enabled", false);
// user_pref("browser.eme.ui.enabled", false);
// user_pref("browser.eme.ui.enabled", false);
/* 2030: disable autoplay of HTML5 media [FF63+]
* 0=Allow all, 1=Block non-muted media (default), 5=Block all
* [NOTE] You can set exceptions under site permissions
* [SETTING] Privacy & Security>Permissions>Autoplay>Settings>Default for all websites ***/
// user_pref("media.autoplay.default", 5);
// user_pref("media.autoplay.default", 5);
/* 2031: disable autoplay of HTML5 media if you interacted with the site [FF78+]
* 0=sticky (default), 1=transient, 2=user
* Firefox's Autoplay Policy Documentation (PDF) is linked below via SUMO
@ -677,7 +677,7 @@ user_pref("middlemouse.contentLoadURL", false);
/* 2615: disable websites overriding Firefox's keyboard shortcuts [FF58+]
* 0 (default) or 1=allow, 2=block
* [SETTING] to add site exceptions: Ctrl+I>Permissions>Override Keyboard Shortcuts ***/
// user_pref("permissions.default.shortcuts", 2);
// user_pref("permissions.default.shortcuts", 2);
/* 2616: remove special permissions for certain mozilla domains [FF35+]
* [1] resource://app/defaults/permissions ***/
user_pref("permissions.manager.defaultsUrl", "");
@ -731,14 +731,14 @@ user_pref("browser.download.always_ask_before_handling_new_types", true);
* XPI files which are installed outside of profile and application directories
* [1] https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/
* [1] https://archive.is/DYjAM (archived) ***/
user_pref("extensions.enabledScopes", 5); // [HIDDEN PREF]
user_pref("extensions.autoDisableScopes", 15); // [DEFAULT: 15]
user_pref("extensions.autoDisableScopes", 0);
user_pref("extensions.enabledScopes", 1);
/* 2661: disable bypassing 3rd party extension install prompts [FF82+]
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1659530,1681331 ***/
user_pref("extensions.postDownloadThirdPartyPrompt", false);
/* 2662: disable webextension restrictions on certain mozilla domains (you also need 4503) [FF60+]
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/
// user_pref("extensions.webextensions.restrictedDomains", "");
// user_pref("extensions.webextensions.restrictedDomains", "");
/*** [SECTION 2700]: ETP (ENHANCED TRACKING PROTECTION) ***/
user_pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin' choir invisible!");
@ -756,7 +756,7 @@ user_pref("browser.contentblocking.category", "strict");
* [1] https://blog.mozilla.org/security/2021/07/13/smartblock-v2/
* [2] https://hg.mozilla.org/mozilla-central/rev/e5483fd469ab#l4.12
* [3] https://developer.mozilla.org/en-US/docs/Web/Privacy/State_Partitioning#storage_access_heuristics ***/
// user_pref("privacy.antitracking.enableWebcompat", false);
// user_pref("privacy.antitracking.enableWebcompat", false);
/* 2710: enable state partitioning of service workers [FF96+] ***/
user_pref("privacy.partition.serviceWorkers", true);
@ -774,7 +774,7 @@ user_pref("network.cookie.lifetimePolicy", 2);
/* 2802: delete cache on exit [FF96+]
* [NOTE] We already disable disk cache (1001) and clear on exit (2811) which is more robust
* [1] https://bugzilla.mozilla.org/1671182 ***/
// user_pref("privacy.clearsitedata.cache.enabled", true);
// user_pref("privacy.clearsitedata.cache.enabled", true);
/** SANITIZE ON SHUTDOWN : ALL OR NOTHING ***/
/* 2810: enable Firefox to clear items on shutdown (2811)
@ -787,14 +787,14 @@ user_pref("privacy.sanitize.sanitizeOnShutdown", true);
* [NOTE] "offlineApps": Offline Website Data: localStorage, service worker cache, QuotaManager (IndexedDB, asm-cache)
* [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes>Settings
* [1] https://en.wikipedia.org/wiki/Basic_access_authentication ***/
user_pref("privacy.clearOnShutdown.cache", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.cache", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.downloads", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.formdata", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.history", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.sessions", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.formdata", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.history", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.sessions", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.offlineApps", false); // [DEFAULT: false]
user_pref("privacy.clearOnShutdown.cookies", false);
// user_pref("privacy.clearOnShutdown.siteSettings", false);
// user_pref("privacy.clearOnShutdown.siteSettings", false);
/** SANITIZE MANUAL: ALL OR NOTHING ***/
/* 2820: reset default items to clear with Ctrl-Shift-Del [SETUP-CHROME]
@ -802,20 +802,20 @@ user_pref("privacy.clearOnShutdown.cookies", false);
* Firefox remembers your last choices. This will reset them when you start Firefox
* [NOTE] Regardless of what you set "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); // [DEFAULT: true]
user_pref("privacy.cpd.cache", true); // [DEFAULT: true]
user_pref("privacy.cpd.formdata", true); // [DEFAULT: true]
user_pref("privacy.cpd.history", true); // [DEFAULT: true]
user_pref("privacy.cpd.history", true); // [DEFAULT: true]
user_pref("privacy.cpd.sessions", true); // [DEFAULT: true]
user_pref("privacy.cpd.offlineApps", false); // [DEFAULT: false]
user_pref("privacy.cpd.cookies", false);
// user_pref("privacy.cpd.downloads", true); // not used, see note above
// user_pref("privacy.cpd.passwords", false);
// user_pref("privacy.cpd.siteSettings", false);
// user_pref("privacy.cpd.downloads", true); // not used, see note above
// user_pref("privacy.cpd.passwords", false);
// user_pref("privacy.cpd.siteSettings", false);
/* 2821: clear Session Restore data when sanitizing on shutdown or manually [FF34+]
* [NOTE] Not needed if Session Restore is not used (0102) or it is already cleared with history (2811)
* [NOTE] privacy.clearOnShutdown.openWindows prevents resuming from crashes (also see 5008) ***/
// user_pref("privacy.clearOnShutdown.openWindows", true);
// user_pref("privacy.cpd.openWindows", true);
// user_pref("privacy.clearOnShutdown.openWindows", true);
// user_pref("privacy.cpd.openWindows", true);
/* 2822: reset default "Time range to clear" for "Clear Recent History" (2820)
* 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
@ -904,14 +904,14 @@ user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDE
* [1] https://bugzilla.mozilla.org/1407366
* [2] https://hg.mozilla.org/mozilla-central/rev/6d2d7856e468#l2.32 ***/
user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF]
// user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF]
// user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF]
/* 4505: experimental RFP [FF91+]
* [WARNING] DO NOT USE unless testing, see [1] comment 12
* [1] https://bugzilla.mozilla.org/1635603 ***/
// user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
// user_pref("privacy.resistFingerprinting.testGranularityMask", 0);
// user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
// user_pref("privacy.resistFingerprinting.testGranularityMask", 0);
/* 4506: set RFP's font visibility level (1402) [FF94+] ***/
// user_pref("layout.css.font-visibility.resistFingerprinting", 1); // [DEFAULT: 1]
// user_pref("layout.css.font-visibility.resistFingerprinting", 1); // [DEFAULT: 1]
/* 4507: disable showing about:blank as soon as possible during startup [FF60+]
* When default true this no longer masks the RFP chrome resizing activity
* [1] https://bugzilla.mozilla.org/1448423 ***/
@ -954,65 +954,65 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow
* [SETTING] Privacy & Security>History>Custom Settings>Always use private browsing mode
* [1] https://wiki.mozilla.org/Private_Browsing
* [2] https://support.mozilla.org/kb/common-myths-about-private-browsing ***/
// user_pref("browser.privatebrowsing.autostart", true);
// user_pref("browser.privatebrowsing.autostart", true);
/* 5002: disable memory cache
* capacity: -1=determine dynamically (default), 0=none, n=memory capacity in kibibytes ***/
// user_pref("browser.cache.memory.enable", false);
// user_pref("browser.cache.memory.capacity", 0);
// user_pref("browser.cache.memory.enable", false);
// user_pref("browser.cache.memory.capacity", 0);
/* 5003: disable saving passwords
* [NOTE] This does not clear any passwords already saved
* [SETTING] Privacy & Security>Logins and Passwords>Ask to save logins and passwords for websites ***/
// user_pref("signon.rememberSignons", false);
// user_pref("signon.rememberSignons", false);
/* 5004: disable permissions manager from writing to disk [FF41+] [RESTART]
* [NOTE] This means any permission changes are session only
* [1] https://bugzilla.mozilla.org/967812 ***/
// user_pref("permissions.memory_only", true); // [HIDDEN PREF]
// user_pref("permissions.memory_only", true); // [HIDDEN PREF]
/* 5005: disable intermediate certificate caching [FF41+] [RESTART]
* [NOTE] 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 ***/
// user_pref("security.nocertdb", true); // [HIDDEN PREF in FF101 or lower]
// user_pref("security.nocertdb", true); // [HIDDEN PREF in FF101 or lower]
/* 5006: disable favicons in history and bookmarks
* [NOTE] Stored as data blobs in favicons.sqlite, these don't reveal anything that your
* actual history (and bookmarks) already do. Your history is more detailed, so
* control that instead; e.g. disable history, clear history on exit, use PB mode
* [NOTE] favicons.sqlite is sanitized on Firefox close ***/
// user_pref("browser.chrome.site_icons", false);
// user_pref("browser.chrome.site_icons", false);
/* 5007: exclude "Undo Closed Tabs" in Session Restore ***/
// user_pref("browser.sessionstore.max_tabs_undo", 0);
// user_pref("browser.sessionstore.max_tabs_undo", 0);
/* 5008: disable resuming session from crash
* [TEST] about:crashparent ***/
// user_pref("browser.sessionstore.resume_from_crash", false);
// user_pref("browser.sessionstore.resume_from_crash", false);
/* 5009: disable "open with" in download dialog [FF50+]
* Application data isolation [1]
* [1] https://bugzilla.mozilla.org/1281959 ***/
// user_pref("browser.download.forbid_open_with", true);
// user_pref("browser.download.forbid_open_with", true);
/* 5010: disable location bar suggestion types
* [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest ***/
// user_pref("browser.urlbar.suggest.history", false);
// user_pref("browser.urlbar.suggest.bookmark", false);
// user_pref("browser.urlbar.suggest.openpage", false);
// user_pref("browser.urlbar.suggest.topsites", false); // [FF78+]
// user_pref("browser.urlbar.suggest.history", false);
// user_pref("browser.urlbar.suggest.bookmark", false);
// user_pref("browser.urlbar.suggest.openpage", false);
// user_pref("browser.urlbar.suggest.topsites", false); // [FF78+]
/* 5011: disable location bar dropdown
* This value controls the total number of entries to appear in the location bar dropdown ***/
// user_pref("browser.urlbar.maxRichResults", 0);
// user_pref("browser.urlbar.maxRichResults", 0);
/* 5012: disable location bar autofill
* [1] https://support.mozilla.org/kb/address-bar-autocomplete-firefox#w_url-autocomplete ***/
// user_pref("browser.urlbar.autoFill", false);
// user_pref("browser.urlbar.autoFill", false);
/* 5013: disable browsing and download history
* [NOTE] We also clear history and downloads on exit (2811)
* [SETTING] Privacy & Security>History>Custom Settings>Remember browsing and download history ***/
// user_pref("places.history.enabled", false);
// user_pref("places.history.enabled", false);
/* 5014: 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);
// 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);
/* 5015: disable Windows taskbar preview [WINDOWS] ***/
// user_pref("browser.taskbar.previews.enable", false); // [DEFAULT: false]
// user_pref("browser.taskbar.previews.enable", false); // [DEFAULT: false]
/* 5016: discourage downloading to desktop
* 0=desktop, 1=downloads (default), 2=last used
* [SETTING] To set your default "downloads": General>Downloads>Save files to ***/
// user_pref("browser.download.folderList", 2);
// user_pref("browser.download.folderList", 2);
/*** [SECTION 5500]: OPTIONAL HARDENING
Not recommended. Overriding these can cause breakage and performance issues,
@ -1021,27 +1021,27 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow
user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!");
/* 5501: disable MathML (Mathematical Markup Language) [FF51+]
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=mathml ***/
// user_pref("mathml.disabled", true); // 1173199
// user_pref("mathml.disabled", true); // 1173199
/* 5502: disable in-content SVG (Scalable Vector Graphics) [FF53+]
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+svg ***/
// user_pref("svg.disabled", true); // 1216893
// user_pref("svg.disabled", true); // 1216893
/* 5503: disable graphite
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+graphite
* [2] https://en.wikipedia.org/wiki/Graphite_(SIL) ***/
// user_pref("gfx.font_rendering.graphite.enabled", false);
// user_pref("gfx.font_rendering.graphite.enabled", false);
/* 5504: disable asm.js [FF22+]
* [1] http://asmjs.org/
* [2] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=asm.js
* [3] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/ ***/
// user_pref("javascript.options.asmjs", false);
// user_pref("javascript.options.asmjs", false);
/* 5505: disable Ion and baseline JIT to harden against JS exploits
* [NOTE] When both Ion and JIT are disabled, and trustedprincipals
* is enabled, then Ion can still be used by extensions (1599226)
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+jit
* [2] https://microsoftedge.github.io/edgevr/posts/Super-Duper-Secure-Mode/ ***/
// user_pref("javascript.options.ion", false);
// user_pref("javascript.options.baselinejit", false);
// user_pref("javascript.options.jit_trustedprincipals", true); // [FF75+] [HIDDEN PREF]
// user_pref("javascript.options.ion", false);
// user_pref("javascript.options.baselinejit", false);
// user_pref("javascript.options.jit_trustedprincipals", true); // [FF75+] [HIDDEN PREF]
/* 5506: disable WebAssembly [FF52+]
* Vulnerabilities [1] have increasingly been found, including those known and fixed
* in native programs years ago [2]. WASM has powerful low-level access, making
@ -1050,7 +1050,7 @@ user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!");
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=wasm
* [2] https://spectrum.ieee.org/tech-talk/telecom/security/more-worries-over-the-security-of-web-assembly
* [3] https://www.zdnet.com/article/half-of-the-websites-using-webassembly-use-it-for-malicious-purposes ***/
// user_pref("javascript.options.wasm", false);
// user_pref("javascript.options.wasm", false);
/*** [SECTION 6000]: DON'T TOUCH ***/
user_pref("_user.js.parrot", "6000 syntax error: the parrot's 'istory!");
@ -1083,18 +1083,18 @@ user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false]
/* 6012: disable SHA-1 certificates ***/
user_pref("security.pki.sha1_enforcement_level", 1); // [DEFAULT: 1 FF102+]
/* 6050: prefsCleaner: reset items removed from arkenfox FF92+ ***/
// user_pref("browser.urlbar.trimURLs", "");
// user_pref("dom.caches.enabled", "");
// user_pref("dom.storageManager.enabled", "");
// user_pref("dom.storage_access.enabled", "");
// user_pref("dom.targetBlankNoOpener.enabled", "");
// user_pref("network.cookie.thirdparty.sessionOnly", "");
// user_pref("network.cookie.thirdparty.nonsecureSessionOnly", "");
// user_pref("privacy.firstparty.isolate.block_post_message", "");
// user_pref("privacy.firstparty.isolate.restrict_opener_access", "");
// user_pref("privacy.firstparty.isolate.use_site", "");
// user_pref("privacy.window.name.update.enabled", "");
// user_pref("security.insecure_connection_text.enabled", "");
// user_pref("browser.urlbar.trimURLs", "");
// user_pref("dom.caches.enabled", "");
// user_pref("dom.storageManager.enabled", "");
// user_pref("dom.storage_access.enabled", "");
// user_pref("dom.targetBlankNoOpener.enabled", "");
// user_pref("network.cookie.thirdparty.sessionOnly", "");
// user_pref("network.cookie.thirdparty.nonsecureSessionOnly", "");
// user_pref("privacy.firstparty.isolate.block_post_message", "");
// user_pref("privacy.firstparty.isolate.restrict_opener_access", "");
// user_pref("privacy.firstparty.isolate.use_site", "");
// user_pref("privacy.window.name.update.enabled", "");
// user_pref("security.insecure_connection_text.enabled", "");
/*** [SECTION 7000]: DON'T BOTHER ***/
user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies!");
@ -1102,10 +1102,10 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
* Location-Aware Browsing, Full Screen, offline cache (appCache), Virtual Reality
* [WHY] The API state is easily fingerprintable. Geo and VR are behind prompts (7002).
* appCache storage capability was removed in FF90. Full screen requires user interaction ***/
// user_pref("geo.enabled", false);
// user_pref("full-screen-api.enabled", false);
// user_pref("browser.cache.offline.enable", false);
// user_pref("dom.vr.enabled", false); // [DEFAULT: false FF97+]
// user_pref("geo.enabled", false);
// user_pref("full-screen-api.enabled", false);
// user_pref("browser.cache.offline.enable", false);
// user_pref("dom.vr.enabled", false); // [DEFAULT: false FF97+]
/* 7002: set default permissions
* Location, Camera, Microphone, Notifications [FF58+] Virtual Reality [FF73+]
* 0=always ask (default), 1=allow, 2=block
@ -1113,92 +1113,92 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
* exceptions as allow/block for frequently visited/annoying sites: i.e. not global
* [SETTING] to add site exceptions: Ctrl+I>Permissions>
* [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Settings ***/
// user_pref("permissions.default.geo", 0);
// user_pref("permissions.default.camera", 0);
// user_pref("permissions.default.microphone", 0);
// user_pref("permissions.default.desktop-notification", 0);
// user_pref("permissions.default.xr", 0); // Virtual Reality
// user_pref("permissions.default.geo", 0);
// user_pref("permissions.default.camera", 0);
// user_pref("permissions.default.microphone", 0);
// user_pref("permissions.default.desktop-notification", 0);
// user_pref("permissions.default.xr", 0); // Virtual Reality
/* 7003: disable non-modern cipher suites [1]
* [WHY] Passive fingerprinting. Minimal/non-existent threat of downgrade attacks
* [1] https://browserleaks.com/ssl ***/
// user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false);
// user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false);
// user_pref("security.ssl3.rsa_aes_128_gcm_sha256", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_gcm_sha384", false); // no PFS
// user_pref("security.ssl3.rsa_aes_128_sha", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_sha", false); // no PFS
// user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false);
// user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false);
// user_pref("security.ssl3.rsa_aes_128_gcm_sha256", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_gcm_sha384", false); // no PFS
// user_pref("security.ssl3.rsa_aes_128_sha", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_sha", false); // no PFS
/* 7004: control TLS versions
* [WHY] Passive fingerprinting and security ***/
// user_pref("security.tls.version.min", 3); // [DEFAULT: 3]
// user_pref("security.tls.version.max", 4);
// user_pref("security.tls.version.min", 3); // [DEFAULT: 3]
// user_pref("security.tls.version.max", 4);
/* 7005: disable SSL session IDs [FF36+]
* [WHY] Passive fingerprinting and perf costs. These are session-only
* and isolated with network partitioning (FF85+) and/or containers ***/
// user_pref("security.ssl.disable_session_identifiers", true); // [HIDDEN PREF in FF101 or lower]
// user_pref("security.ssl.disable_session_identifiers", true); // [HIDDEN PREF in FF101 or lower]
/* 7006: onions
* [WHY] Firefox doesn't support hidden services. Use Tor Browser ***/
// user_pref("dom.securecontext.allowlist_onions", true); // [FF97+] 1382359/1744006
// user_pref("network.http.referer.hideOnionSource", true); // 1305144
// user_pref("dom.securecontext.allowlist_onions", true); // [FF97+] 1382359/1744006
// user_pref("network.http.referer.hideOnionSource", true); // 1305144
/* 7007: referers
* [WHY] Only cross-origin referers (1600s) need control ***/
// user_pref("network.http.sendRefererHeader", 2);
// user_pref("network.http.referer.trimmingPolicy", 0);
// user_pref("network.http.sendRefererHeader", 2);
// user_pref("network.http.referer.trimmingPolicy", 0);
/* 7008: set the default Referrer Policy [FF59+]
* 0=no-referer, 1=same-origin, 2=strict-origin-when-cross-origin, 3=no-referrer-when-downgrade
* [WHY] Defaults are fine. They can be overridden by a site-controlled Referrer Policy ***/
// user_pref("network.http.referer.defaultPolicy", 2); // [DEFAULT: 2]
// user_pref("network.http.referer.defaultPolicy.pbmode", 2); // [DEFAULT: 2]
// user_pref("network.http.referer.defaultPolicy", 2); // [DEFAULT: 2]
// user_pref("network.http.referer.defaultPolicy.pbmode", 2); // [DEFAULT: 2]
/* 7010: disable HTTP Alternative Services [FF37+]
* [WHY] Already isolated with network partitioning (FF85+) ***/
// user_pref("network.http.altsvc.enabled", false);
// user_pref("network.http.altsvc.oe", false); // [DEFAULT: false FF94+]
// user_pref("network.http.altsvc.enabled", false);
// user_pref("network.http.altsvc.oe", false); // [DEFAULT: false FF94+]
/* 7011: disable website control over browser right-click context menu
* [WHY] Just use Shift-Right-Click ***/
// user_pref("dom.event.contextmenu.enabled", false);
// user_pref("dom.event.contextmenu.enabled", false);
/* 7012: disable icon fonts (glyphs) and local fallback rendering
* [WHY] Breakage, font fallback is equivalency, also RFP
* [1] https://bugzilla.mozilla.org/789788
* [2] https://gitlab.torproject.org/legacy/trac/-/issues/8455 ***/
// user_pref("gfx.downloadable_fonts.enabled", false); // [FF41+]
// user_pref("gfx.downloadable_fonts.fallback_delay", -1);
// user_pref("gfx.downloadable_fonts.enabled", false); // [FF41+]
// user_pref("gfx.downloadable_fonts.fallback_delay", -1);
/* 7013: disable Clipboard API
* [WHY] Fingerprintable. Breakage. Cut/copy/paste require user
* interaction, and paste is limited to focused editable fields ***/
// user_pref("dom.event.clipboardevents.enabled", false);
// user_pref("dom.event.clipboardevents.enabled", false);
/* 7014: disable System Add-on updates
* [WHY] It can compromise security. System addons ship with prefs, use those ***/
// user_pref("extensions.systemAddon.update.enabled", false); // [FF62+]
// user_pref("extensions.systemAddon.update.url", ""); // [FF44+]
// user_pref("extensions.systemAddon.update.enabled", false); // [FF62+]
// user_pref("extensions.systemAddon.update.url", ""); // [FF44+]
/* 7015: enable the DNT (Do Not Track) HTTP header
* [WHY] DNT is enforced with Tracking Protection which is used in ETP Strict (2701) ***/
// user_pref("privacy.donottrackheader.enabled", true);
// user_pref("privacy.donottrackheader.enabled", true);
/* 7016: customize ETP settings
* [WHY] Arkenfox only supports strict (2701) which sets these at runtime ***/
// user_pref("network.cookie.cookieBehavior", 5);
// user_pref("network.http.referer.disallowCrossSiteRelaxingDefault", true);
// user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // [FF100+]
// user_pref("privacy.partition.network_state.ocsp_cache", true);
// user_pref("privacy.query_stripping.enabled", true); // [FF101+] [ETP FF102+]
// user_pref("privacy.trackingprotection.enabled", true);
// user_pref("privacy.trackingprotection.socialtracking.enabled", true);
// user_pref("privacy.trackingprotection.cryptomining.enabled", true); // [DEFAULT: true]
// user_pref("privacy.trackingprotection.fingerprinting.enabled", true); // [DEFAULT: true]
// user_pref("network.cookie.cookieBehavior", 5);
// user_pref("network.http.referer.disallowCrossSiteRelaxingDefault", true);
// user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // [FF100+]
// user_pref("privacy.partition.network_state.ocsp_cache", true);
// user_pref("privacy.query_stripping.enabled", true); // [FF101+] [ETP FF102+]
// user_pref("privacy.trackingprotection.enabled", true);
// user_pref("privacy.trackingprotection.socialtracking.enabled", true);
// user_pref("privacy.trackingprotection.cryptomining.enabled", true); // [DEFAULT: true]
// user_pref("privacy.trackingprotection.fingerprinting.enabled", true); // [DEFAULT: true]
/* 7017: disable service workers
* [WHY] Already isolated (FF96+) with TCP (2701) behind a pref (2710)
* or blocked with TCP in 3rd parties (FF95 or lower) ***/
// user_pref("dom.serviceWorkers.enabled", false);
// user_pref("dom.serviceWorkers.enabled", false);
/* 7018: disable Web Notifications
* [WHY] Web Notifications are behind a prompt (7002)
* [1] https://blog.mozilla.org/en/products/firefox/block-notification-requests/ ***/
// user_pref("dom.webnotifications.enabled", false); // [FF22+]
// user_pref("dom.webnotifications.serviceworker.enabled", false); // [FF44+]
// user_pref("dom.webnotifications.enabled", false); // [FF22+]
// user_pref("dom.webnotifications.serviceworker.enabled", false); // [FF44+]
/* 7019: disable Push Notifications [FF44+]
* [WHY] Push requires subscription
* [NOTE] To remove all subscriptions, reset "dom.push.userAgentID"
* [1] https://support.mozilla.org/kb/push-notifications-firefox ***/
// user_pref("dom.push.enabled", false);
// user_pref("dom.push.enabled", false);
/*** [SECTION 8000]: DON'T BOTHER: FINGERPRINTING
[WHY] They are insufficient to help anti-fingerprinting and do more harm than good
@ -1206,31 +1206,31 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
***/
user_pref("_user.js.parrot", "8000 syntax error: the parrot's crossed the Jordan");
/* 8001: disable APIs ***/
// user_pref("device.sensors.enabled", false);
// user_pref("dom.enable_performance", false);
// user_pref("dom.enable_resource_timing", false);
// user_pref("dom.gamepad.enabled", false);
// user_pref("dom.netinfo.enabled", false); // [DEFAULT: false NON-ANDROID: false ANDROID FF99+]
// user_pref("dom.webaudio.enabled", false);
// user_pref("device.sensors.enabled", false);
// user_pref("dom.enable_performance", false);
// user_pref("dom.enable_resource_timing", false);
// user_pref("dom.gamepad.enabled", false);
// user_pref("dom.netinfo.enabled", false); // [DEFAULT: false NON-ANDROID: false ANDROID FF99+]
// user_pref("dom.webaudio.enabled", false);
/* 8002: disable other ***/
// user_pref("browser.display.use_document_fonts", 0);
// user_pref("browser.zoom.siteSpecific", false);
// user_pref("dom.w3c_touch_events.enabled", 0);
// user_pref("media.navigator.enabled", false);
// user_pref("media.ondevicechange.enabled", false);
// user_pref("media.video_stats.enabled", false);
// user_pref("media.webspeech.synth.enabled", false);
// user_pref("webgl.enable-debug-renderer-info", false);
// user_pref("browser.display.use_document_fonts", 0);
// user_pref("browser.zoom.siteSpecific", false);
// user_pref("dom.w3c_touch_events.enabled", 0);
// user_pref("media.navigator.enabled", false);
// user_pref("media.ondevicechange.enabled", false);
// user_pref("media.video_stats.enabled", false);
// user_pref("media.webspeech.synth.enabled", false);
// user_pref("webgl.enable-debug-renderer-info", false);
/* 8003: spoof ***/
// user_pref("dom.maxHardwareConcurrency", 2);
// user_pref("font.system.whitelist", ""); // [HIDDEN PREF]
// user_pref("general.appname.override", ""); // [HIDDEN PREF]
// user_pref("general.appversion.override", ""); // [HIDDEN PREF]
// user_pref("general.buildID.override", ""); // [HIDDEN PREF]
// user_pref("general.oscpu.override", ""); // [HIDDEN PREF]
// user_pref("general.platform.override", ""); // [HIDDEN PREF]
// user_pref("general.useragent.override", ""); // [HIDDEN PREF]
// user_pref("ui.use_standins_for_native_colors", true);
// user_pref("dom.maxHardwareConcurrency", 2);
// user_pref("font.system.whitelist", ""); // [HIDDEN PREF]
// user_pref("general.appname.override", ""); // [HIDDEN PREF]
// user_pref("general.appversion.override", ""); // [HIDDEN PREF]
// user_pref("general.buildID.override", ""); // [HIDDEN PREF]
// user_pref("general.oscpu.override", ""); // [HIDDEN PREF]
// user_pref("general.platform.override", ""); // [HIDDEN PREF]
// user_pref("general.useragent.override", ""); // [HIDDEN PREF]
// user_pref("ui.use_standins_for_native_colors", true);
/*** [SECTION 9000]: PERSONAL
Non-project related but useful. If any interest you, add them to your overrides
@ -1238,60 +1238,60 @@ user_pref("_user.js.parrot", "8000 syntax error: the parrot's crossed the Jordan
user_pref("_user.js.parrot", "9000 syntax error: the parrot's cashed in 'is chips!");
/* WELCOME & WHAT'S NEW NOTICES ***/
user_pref("browser.startup.homepage_override.mstone", "ignore"); // master switch
// 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("startup.homepage_welcome_url", "");
// user_pref("startup.homepage_welcome_url.additional", "");
// user_pref("startup.homepage_override_url", ""); // What's New page after updates
/* WARNINGS ***/
// user_pref("browser.tabs.warnOnClose", false); // [DEFAULT false FF94+]
// user_pref("browser.tabs.warnOnCloseOtherTabs", false);
// user_pref("browser.tabs.warnOnOpen", false);
// user_pref("browser.warnOnQuitShortcut", false); // [FF94+]
// user_pref("full-screen-api.warning.delay", 0);
// user_pref("full-screen-api.warning.timeout", 0);
// user_pref("browser.tabs.warnOnClose", false); // [DEFAULT false FF94+]
// user_pref("browser.tabs.warnOnCloseOtherTabs", false);
// user_pref("browser.tabs.warnOnOpen", false);
// user_pref("browser.warnOnQuitShortcut", false); // [FF94+]
// user_pref("full-screen-api.warning.delay", 0);
// user_pref("full-screen-api.warning.timeout", 0);
/* UPDATES ***/
// user_pref("app.update.auto", false); // [NON-WINDOWS] disable auto app updates
// [NOTE] You will still get prompts to update, and should do so in a timely manner
// [SETTING] General>Firefox Updates>Check for updates but let you choose to install them
// user_pref("browser.search.update", false); // disable search engine updates (e.g. OpenSearch)
// [NOTE] This does not affect Mozilla's built-in or Web Extension search engines
// user_pref("extensions.update.enabled", false); // disable extension and theme update checks
// user_pref("extensions.update.autoUpdateDefault", false); // disable installing extension and theme updates
// [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle)
// user_pref("extensions.getAddons.cache.enabled", false); // disable extension metadata (extension detail tab)
// user_pref("app.update.auto", false); // [NON-WINDOWS] disable auto app updates
// [NOTE] You will still get prompts to update, and should do so in a timely manner
// [SETTING] General>Firefox Updates>Check for updates but let you choose to install them
// user_pref("browser.search.update", false); // disable search engine updates (e.g. OpenSearch)
// [NOTE] This does not affect Mozilla's built-in or Web Extension search engines
// user_pref("extensions.update.enabled", false); // disable extension and theme update checks
// user_pref("extensions.update.autoUpdateDefault", false); // disable installing extension and theme updates
// [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle)
// user_pref("extensions.getAddons.cache.enabled", false); // disable extension metadata (extension detail tab)
/* APPEARANCE ***/
// user_pref("browser.download.autohideButton", false); // [FF57+]
// user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true); // [FF68+] allow userChrome/userContent
// user_pref("ui.prefersReducedMotion", 1); // disable chrome animations [FF77+] [RESTART] [HIDDEN PREF]
// 0=no-preference, 1=reduce: with RFP this only affects chrome
// user_pref("ui.systemUsesDarkTheme", 1); // [FF67+] [HIDDEN PREF]
// 0=light, 1=dark: with RFP this only affects chrome
// user_pref("browser.download.autohideButton", false); // [FF57+]
// user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true); // [FF68+] allow userChrome/userContent
// user_pref("ui.prefersReducedMotion", 1); // disable chrome animations [FF77+] [RESTART] [HIDDEN PREF]
// 0=no-preference, 1=reduce: with RFP this only affects chrome
// user_pref("ui.systemUsesDarkTheme", 1); // [FF67+] [HIDDEN PREF]
// 0=light, 1=dark: with RFP this only affects chrome
/* CONTENT BEHAVIOR ***/
// user_pref("accessibility.typeaheadfind", true); // enable "Find As You Type"
// user_pref("clipboard.autocopy", false); // disable autocopy default [LINUX]
// user_pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line
// user_pref("accessibility.typeaheadfind", true); // enable "Find As You Type"
// user_pref("clipboard.autocopy", false); // disable autocopy default [LINUX]
// user_pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line
/* UX BEHAVIOR ***/
// user_pref("browser.backspace_action", 2); // 0=previous page, 1=scroll up, 2=do nothing
// user_pref("browser.quitShortcut.disabled", true); // disable Ctrl-Q quit shortcut [LINUX] [MAC] [FF87+]
// user_pref("browser.tabs.closeWindowWithLastTab", false);
// user_pref("browser.tabs.loadBookmarksInTabs", true); // open bookmarks in a new tab [FF57+]
// user_pref("browser.urlbar.decodeURLsOnCopy", true); // see bugzilla 1320061 [FF53+]
// user_pref("general.autoScroll", false); // middle-click enabling auto-scrolling [DEFAULT: false on Linux]
// user_pref("ui.key.menuAccessKey", 0); // disable alt key toggling the menu bar [RESTART]
// user_pref("view_source.tab", false); // view "page/selection source" in a new window [FF68+]
// user_pref("browser.backspace_action", 2); // 0=previous page, 1=scroll up, 2=do nothing
// user_pref("browser.quitShortcut.disabled", true); // disable Ctrl-Q quit shortcut [LINUX] [MAC] [FF87+]
// user_pref("browser.tabs.closeWindowWithLastTab", false);
// user_pref("browser.tabs.loadBookmarksInTabs", true); // open bookmarks in a new tab [FF57+]
// user_pref("browser.urlbar.decodeURLsOnCopy", true); // see bugzilla 1320061 [FF53+]
// user_pref("general.autoScroll", false); // middle-click enabling auto-scrolling [DEFAULT: false on Linux]
// user_pref("ui.key.menuAccessKey", 0); // disable alt key toggling the menu bar [RESTART]
// user_pref("view_source.tab", false); // view "page/selection source" in a new window [FF68+]
/* UX FEATURES ***/
user_pref("browser.messaging-system.whatsNewPanel.enabled", false); // What's New toolbar icon [FF69+]
// user_pref("extensions.pocket.enabled", false); // Pocket Account [FF46+]
// user_pref("extensions.screenshots.disabled", true); // [FF55+]
// user_pref("identity.fxaccounts.enabled", false); // Firefox Accounts & Sync [FF60+] [RESTART]
// user_pref("reader.parse-on-load.enabled", false); // Reader View
// user_pref("extensions.pocket.enabled", false); // Pocket Account [FF46+]
// user_pref("extensions.screenshots.disabled", true); // [FF55+]
// user_pref("identity.fxaccounts.enabled", false); // Firefox Accounts & Sync [FF60+] [RESTART]
// user_pref("reader.parse-on-load.enabled", false); // Reader View
/* OTHER ***/
// user_pref("browser.bookmarks.max_backups", 2);
// user_pref("browser.bookmarks.max_backups", 2);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false); // disable CFR [FF67+]
// [SETTING] General>Browsing>Recommend extensions as you browse
// [SETTING] General>Browsing>Recommend extensions as you browse
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false); // disable CFR [FF67+]
// [SETTING] General>Browsing>Recommend features as you browse
// user_pref("network.manage-offline-status", false); // see bugzilla 620472
// user_pref("xpinstall.signatures.required", false); // enforced extension signing (Nightly/ESR)
// [SETTING] General>Browsing>Recommend features as you browse
// user_pref("network.manage-offline-status", false); // see bugzilla 620472
// user_pref("xpinstall.signatures.required", false); // enforced extension signing (Nightly/ESR)
/*** [SECTION 9999]: DEPRECATED / REMOVED / LEGACY / RENAMED
Documentation denoted as [-]. Items deprecated prior to FF91 have been archived at [1]
@ -1350,4 +1350,4 @@ user_pref("dom.storage.next_gen", true); // [DEFAULT: true FF92+]
// ***/
/* END: internal custom pref to test for syntax errors ***/
user_pref("_user.js.parrot", "SUCCESS: No no he's not dead, he's, he's restin'!");
user_pref("_user.js.parrot", "SUCCESS: No no he's not dead, he's, he's restin'!");

4
src/profile/prefs.js
View File

@ -60,4 +60,6 @@ user_pref("media.navigator.enabled", false);
user_pref("dom.w3c_touch_events.enabled", false);
user_pref("browser.privatebrowsing.autostart", false);
user_pref("browser.display.use_system_colors", false);
user_pref("dom.image-lazy-loading.enabled", false)
user_pref("dom.image-lazy-loading.enabled", false)
user_pref("extensions.autoDisableScopes", 0);
user_pref("extensions.enabledScopes", 1);

1
src/profile/user-override.js
View File

@ -173,6 +173,7 @@ user_pref("dom.serviceWorkers.interception.enabled", false);
user_pref("dom.storage.enabled", false);
user_pref("dom.webaudio.enabled", false);
user_pref("extensions.autoDisableScopes", 0);
user_pref("extensions.enabledScopes", 1);
user_pref("extensions.getAddons.cache.enabled", false);
user_pref("extensions.getAddons.showPane", false);
user_pref("extensions.pocket.enabled", false);

420
src/profile/user.js
View File

@ -114,7 +114,7 @@ user_pref("_user.js.parrot", "0200 syntax error: the parrot's definitely decease
/* 0201: use Mozilla geolocation service instead of Google if permission is granted [FF74+]
* Optionally enable logging to the console (defaults to false) ***/
user_pref("geo.provider.network.url", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
// user_pref("geo.provider.network.logging.enabled", true); // [HIDDEN PREF]
// user_pref("geo.provider.network.logging.enabled", true); // [HIDDEN PREF]
/* 0202: disable using the OS's geolocation service ***/
user_pref("geo.provider.ms-windows-location", false); // [WINDOWS]
user_pref("geo.provider.use_corelocation", false); // [MAC]
@ -125,7 +125,7 @@ user_pref("browser.region.network.url", ""); // [FF78+]
user_pref("browser.region.update.enabled", false); // [FF79+]
/* 0204: set search region
* [NOTE] May not be hidden if Firefox has changed your settings due to your region (0203) ***/
// user_pref("browser.search.region", "US"); // [HIDDEN PREF]
// user_pref("browser.search.region", "US"); // [HIDDEN PREF]
/* 0210: set preferred language for displaying pages
* [SETTING] General>Language and Appearance>Language>Choose your preferred language...
* [TEST] https://addons.mozilla.org/about ***/
@ -196,7 +196,7 @@ user_pref("app.normandy.api_url", "");
/* 0350: disable Crash Reports ***/
user_pref("breakpad.reportURL", "");
user_pref("browser.tabs.crashReporting.sendReport", false); // [FF44+]
// user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+] [DEFAULT: false]
// user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+] [DEFAULT: false]
/* 0351: enforce no submission of backlogged Crash Reports [FF58+]
* [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send backlogged crash reports ***/
user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DEFAULT: false]
@ -224,28 +224,28 @@ user_pref("_user.js.parrot", "0400 syntax error: the parrot's passed on!");
/* 0401: disable SB (Safe Browsing)
* [WARNING] Do this at your own risk! These are the master switches
* [SETTING] Privacy & Security>Security>... Block dangerous and deceptive content ***/
// user_pref("browser.safebrowsing.malware.enabled", false);
// user_pref("browser.safebrowsing.phishing.enabled", false);
// user_pref("browser.safebrowsing.malware.enabled", false);
// user_pref("browser.safebrowsing.phishing.enabled", false);
/* 0402: disable SB checks for downloads (both local lookups + remote)
* This is the master switch for the safebrowsing.downloads* prefs (0403, 0404)
* [SETTING] Privacy & Security>Security>... "Block dangerous downloads" ***/
// user_pref("browser.safebrowsing.downloads.enabled", false);
// user_pref("browser.safebrowsing.downloads.enabled", false);
/* 0403: disable SB checks for downloads (remote)
* To verify the safety of certain executable files, Firefox may submit some information about the
* file, including the name, origin, size and a cryptographic hash of the contents, to the Google
* Safe Browsing service which helps Firefox determine whether or not the file should be blocked
* [SETUP-SECURITY] If you do not understand this, or you want this protection, then override this ***/
user_pref("browser.safebrowsing.downloads.remote.enabled", false);
// user_pref("browser.safebrowsing.downloads.remote.url", ""); // Defense-in-depth
// user_pref("browser.safebrowsing.downloads.remote.url", ""); // Defense-in-depth
/* 0404: disable SB checks for unwanted software
* [SETTING] Privacy & Security>Security>... "Warn you about unwanted and uncommon software" ***/
// 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_potentially_unwanted", false);
// user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false);
/* 0405: disable "ignore this warning" on SB warnings [FF45+]
* If clicked, it bypasses the block for that session. This is a means for admins to enforce SB
* [TEST] see https://github.com/arkenfox/user.js/wiki/Appendix-A-Test-Sites#-mozilla
* [1] https://bugzilla.mozilla.org/1226490 ***/
// user_pref("browser.safebrowsing.allowOverride", false);
// user_pref("browser.safebrowsing.allowOverride", false);
/*** [SECTION 0600]: BLOCK IMPLICIT OUTBOUND [not explicitly asked for - e.g. clicked on] ***/
user_pref("_user.js.parrot", "0600 syntax error: the parrot's no more!");
@ -255,7 +255,7 @@ user_pref("network.prefetch-next", false);
/* 0602: disable DNS prefetching
* [1] https://developer.mozilla.org/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control ***/
user_pref("network.dns.disablePrefetch", true);
// user_pref("network.dns.disablePrefetchFromHTTPS", true); // [DEFAULT: true]
// user_pref("network.dns.disablePrefetchFromHTTPS", true); // [DEFAULT: true]
/* 0603: disable predictor / prefetching ***/
user_pref("network.predictor.enabled", false);
user_pref("network.predictor.enable-prefetch", false); // [FF48+] [DEFAULT: false]
@ -266,7 +266,7 @@ user_pref("network.http.speculative-parallel-limit", 0);
user_pref("browser.places.speculativeConnect.enabled", false);
/* 0610: enforce no "Hyperlink Auditing" (click tracking)
* [1] https://www.bleepingcomputer.com/news/software/major-browsers-to-prevent-disabling-of-click-tracking-privacy-risk/ ***/
// user_pref("browser.send_pings", false); // [DEFAULT: false]
// user_pref("browser.send_pings", false); // [DEFAULT: false]
/*** [SECTION 0700]: DNS / DoH / PROXY / SOCKS / IPv6 ***/
user_pref("_user.js.parrot", "0700 syntax error: the parrot's given up the ghost!");
@ -301,13 +301,13 @@ user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
* [WARNING] Default true is a security feature against malicious extensions [1]
* [SETUP-CHROME] If you use a proxy and you trust your extensions
* [1] https://blog.mozilla.org/security/2021/10/25/securing-the-proxy-api-for-firefox-add-ons/ ***/
// user_pref("network.proxy.failover_direct", false);
// user_pref("network.proxy.failover_direct", false);
/* 0706: disable proxy bypass for system request failures [FF95+]
* RemoteSettings, UpdateService, Telemetry [1]
* [WARNING] If false, this will break the fallback for some security features
* [SETUP-CHROME] If you use a proxy and you understand the security impact
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1732792,1733994,1733481 ***/
// user_pref("network.proxy.allow_bypass", false); // [HIDDEN PREF FF95-96]
// user_pref("network.proxy.allow_bypass", false); // [HIDDEN PREF FF95-96]
/* 0710: disable DNS-over-HTTPS (DoH) rollout [FF60+]
* 0=off by default, 2=TRR (Trusted Recursive Resolver) first, 3=TRR only, 5=explicitly off
* see "doh-rollout.home-region": USA 2019, Canada 2021, Russia/Ukraine 2022 [3]
@ -315,7 +315,7 @@ user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
* [2] https://wiki.mozilla.org/Security/DOH-resolver-policy
* [3] https://support.mozilla.org/en-US/kb/firefox-dns-over-https
* [4] https://www.eff.org/deeplinks/2020/12/dns-doh-and-odoh-oh-my-year-review-2020 ***/
// user_pref("network.trr.mode", 5);
// user_pref("network.trr.mode", 5);
/*** [SECTION 0800]: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS ***/
user_pref("_user.js.parrot", "0800 syntax error: the parrot's ceased to be!");
@ -355,7 +355,7 @@ user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false);
/* 0808: disable tab-to-search [FF85+]
* Alternatively, you can exclude on a per-engine basis by unchecking them in Options>Search
* [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest>Search engines ***/
// user_pref("browser.urlbar.suggest.engines", false);
// user_pref("browser.urlbar.suggest.engines", false);
/* 0810: disable search and form history
* [SETUP-WEB] Be aware that autocomplete form data can be read by third parties [1][2]
* [NOTE] We also clear formdata on exit (2811)
@ -383,7 +383,7 @@ user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
* [3] https://bugzilla.mozilla.org/1632765
* [4] https://earthlng.github.io/testpages/visited_links.html (see github wiki APPENDIX A on how to use)
* [5] https://lcamtuf.blogspot.com/2016/08/css-mix-blend-mode-is-bad-for-keeping.html ***/
// user_pref("layout.css.visited_links_enabled", false);
// user_pref("layout.css.visited_links_enabled", false);
/*** [SECTION 0900]: PASSWORDS
[1] https://support.mozilla.org/kb/use-primary-password-protect-stored-logins-and-pas
@ -518,9 +518,9 @@ user_pref("security.mixed_content.block_display_content", true);
* [TEST] http://example.com [upgrade]
* [TEST] http://httpforever.com/ [no upgrade] ***/
user_pref("dom.security.https_only_mode", true); // [FF76+]
// user_pref("dom.security.https_only_mode_pbm", true); // [FF80+]
// user_pref("dom.security.https_only_mode_pbm", true); // [FF80+]
/* 1245: enable HTTPS-Only mode for local resources [FF77+] ***/
// user_pref("dom.security.https_only_mode.upgrade_local", true);
// user_pref("dom.security.https_only_mode.upgrade_local", true);
/* 1246: disable HTTP background requests [FF82+]
* When attempting to upgrade, if the server doesn't respond within 3 seconds, Firefox sends
* a top-level HTTP request without path in order to check if the server supports HTTPS or not
@ -554,9 +554,9 @@ user_pref("gfx.font_rendering.opentype_svg.enabled", false);
* In Private Browsing windows: uses the most restrictive between normal and private
* 1=only base system fonts, 2=also fonts from optional language packs, 3=also user-installed fonts
* [1] https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc ***/
// user_pref("layout.css.font-visibility.private", 1);
// user_pref("layout.css.font-visibility.standard", 1);
// user_pref("layout.css.font-visibility.trackingprotection", 1);
// user_pref("layout.css.font-visibility.private", 1);
// user_pref("layout.css.font-visibility.standard", 1);
// user_pref("layout.css.font-visibility.trackingprotection", 1);
/*** [SECTION 1600]: HEADERS / REFERERS
full URI: https://example.com:8888/foo/bar.html?id=1234
@ -584,7 +584,7 @@ user_pref("privacy.userContext.ui.enabled", true);
/* 1702: set behavior on "+ Tab" button to display container menu on left click [FF74+]
* [NOTE] The menu is always shown on long press and right click
* [SETTING] General>Tabs>Enable Container Tabs>Settings>Select a container for each new tab ***/
// user_pref("privacy.userContext.newTabContainerOnLeftClick.enabled", true);
// user_pref("privacy.userContext.newTabContainerOnLeftClick.enabled", true);
/*** [SECTION 2000]: PLUGINS / MEDIA / WEBRTC ***/
user_pref("_user.js.parrot", "2000 syntax error: the parrot's snuffed it!");
@ -596,7 +596,7 @@ user_pref("_user.js.parrot", "2000 syntax error: the parrot's snuffed it!");
* [TEST] https://browserleaks.com/webrtc
* [1] https://groups.google.com/g/discuss-webrtc/c/6stQXi72BEU/m/2FwZd24UAQAJ
* [2] https://datatracker.ietf.org/doc/html/draft-ietf-mmusic-mdns-ice-candidates#section-3.1.1 ***/
// user_pref("media.peerconnection.enabled", false);
// user_pref("media.peerconnection.enabled", false);
/* 2002: force WebRTC inside the proxy [FF70+] ***/
user_pref("media.peerconnection.ice.proxy_only_if_behind_proxy", true);
/* 2003: force a single network interface for ICE candidates generation [FF42+]
@ -607,13 +607,13 @@ user_pref("media.peerconnection.ice.default_address_only", true);
/* 2004: force exclusion of private IPs from ICE candidates [FF51+]
* [SETUP-HARDEN] This will protect your private IP even in TRUSTED scenarios after you
* grant device access, but often results in breakage on video-conferencing platforms ***/
// user_pref("media.peerconnection.ice.no_host", true);
// user_pref("media.peerconnection.ice.no_host", true);
/* 2020: disable GMP (Gecko Media Plugins)
* [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/
// user_pref("media.gmp-provider.enabled", false);
// user_pref("media.gmp-provider.enabled", false);
/* 2021: disable widevine CDM (Content Decryption Module)
* [NOTE] This is covered by the EME master switch (2022) ***/
// user_pref("media.gmp-widevinecdm.enabled", false);
// user_pref("media.gmp-widevinecdm.enabled", false);
/* 2022: disable all DRM content (EME: Encryption Media Extension)
* Optionally hide the setting which also disables the DRM prompt
* [SETUP-WEB] e.g. Netflix, Amazon Prime, Hulu, HBO, Disney+, Showtime, Starz, DirectTV
@ -621,12 +621,12 @@ user_pref("media.peerconnection.ice.default_address_only", true);
* [TEST] https://bitmovin.com/demos/drm
* [1] https://www.eff.org/deeplinks/2017/10/drms-dead-canary-how-we-just-lost-web-what-we-learned-it-and-what-we-need-do-next ***/
user_pref("media.eme.enabled", false);
// user_pref("browser.eme.ui.enabled", false);
// user_pref("browser.eme.ui.enabled", false);
/* 2030: disable autoplay of HTML5 media [FF63+]
* 0=Allow all, 1=Block non-muted media (default), 5=Block all
* [NOTE] You can set exceptions under site permissions
* [SETTING] Privacy & Security>Permissions>Autoplay>Settings>Default for all websites ***/
// user_pref("media.autoplay.default", 5);
// user_pref("media.autoplay.default", 5);
/* 2031: disable autoplay of HTML5 media if you interacted with the site [FF78+]
* 0=sticky (default), 1=transient, 2=user
* Firefox's Autoplay Policy Documentation (PDF) is linked below via SUMO
@ -677,7 +677,7 @@ user_pref("middlemouse.contentLoadURL", false);
/* 2615: disable websites overriding Firefox's keyboard shortcuts [FF58+]
* 0 (default) or 1=allow, 2=block
* [SETTING] to add site exceptions: Ctrl+I>Permissions>Override Keyboard Shortcuts ***/
// user_pref("permissions.default.shortcuts", 2);
// user_pref("permissions.default.shortcuts", 2);
/* 2616: remove special permissions for certain mozilla domains [FF35+]
* [1] resource://app/defaults/permissions ***/
user_pref("permissions.manager.defaultsUrl", "");
@ -731,14 +731,14 @@ user_pref("browser.download.always_ask_before_handling_new_types", true);
* XPI files which are installed outside of profile and application directories
* [1] https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/
* [1] https://archive.is/DYjAM (archived) ***/
user_pref("extensions.enabledScopes", 5); // [HIDDEN PREF]
user_pref("extensions.autoDisableScopes", 15); // [DEFAULT: 15]
user_pref("extensions.autoDisableScopes", 0);
user_pref("extensions.enabledScopes", 1);
/* 2661: disable bypassing 3rd party extension install prompts [FF82+]
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1659530,1681331 ***/
user_pref("extensions.postDownloadThirdPartyPrompt", false);
/* 2662: disable webextension restrictions on certain mozilla domains (you also need 4503) [FF60+]
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/
// user_pref("extensions.webextensions.restrictedDomains", "");
// user_pref("extensions.webextensions.restrictedDomains", "");
/*** [SECTION 2700]: ETP (ENHANCED TRACKING PROTECTION) ***/
user_pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin' choir invisible!");
@ -756,7 +756,7 @@ user_pref("browser.contentblocking.category", "strict");
* [1] https://blog.mozilla.org/security/2021/07/13/smartblock-v2/
* [2] https://hg.mozilla.org/mozilla-central/rev/e5483fd469ab#l4.12
* [3] https://developer.mozilla.org/en-US/docs/Web/Privacy/State_Partitioning#storage_access_heuristics ***/
// user_pref("privacy.antitracking.enableWebcompat", false);
// user_pref("privacy.antitracking.enableWebcompat", false);
/* 2710: enable state partitioning of service workers [FF96+] ***/
user_pref("privacy.partition.serviceWorkers", true);
@ -774,7 +774,7 @@ user_pref("network.cookie.lifetimePolicy", 2);
/* 2802: delete cache on exit [FF96+]
* [NOTE] We already disable disk cache (1001) and clear on exit (2811) which is more robust
* [1] https://bugzilla.mozilla.org/1671182 ***/
// user_pref("privacy.clearsitedata.cache.enabled", true);
// user_pref("privacy.clearsitedata.cache.enabled", true);
/** SANITIZE ON SHUTDOWN : ALL OR NOTHING ***/
/* 2810: enable Firefox to clear items on shutdown (2811)
@ -787,14 +787,14 @@ user_pref("privacy.sanitize.sanitizeOnShutdown", true);
* [NOTE] "offlineApps": Offline Website Data: localStorage, service worker cache, QuotaManager (IndexedDB, asm-cache)
* [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes>Settings
* [1] https://en.wikipedia.org/wiki/Basic_access_authentication ***/
user_pref("privacy.clearOnShutdown.cache", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.cache", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.downloads", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.formdata", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.history", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.sessions", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.formdata", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.history", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.sessions", true); // [DEFAULT: true]
user_pref("privacy.clearOnShutdown.offlineApps", false); // [DEFAULT: false]
user_pref("privacy.clearOnShutdown.cookies", false);
// user_pref("privacy.clearOnShutdown.siteSettings", false);
// user_pref("privacy.clearOnShutdown.siteSettings", false);
/** SANITIZE MANUAL: ALL OR NOTHING ***/
/* 2820: reset default items to clear with Ctrl-Shift-Del [SETUP-CHROME]
@ -802,20 +802,20 @@ user_pref("privacy.clearOnShutdown.cookies", false);
* Firefox remembers your last choices. This will reset them when you start Firefox
* [NOTE] Regardless of what you set "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); // [DEFAULT: true]
user_pref("privacy.cpd.cache", true); // [DEFAULT: true]
user_pref("privacy.cpd.formdata", true); // [DEFAULT: true]
user_pref("privacy.cpd.history", true); // [DEFAULT: true]
user_pref("privacy.cpd.history", true); // [DEFAULT: true]
user_pref("privacy.cpd.sessions", true); // [DEFAULT: true]
user_pref("privacy.cpd.offlineApps", false); // [DEFAULT: false]
user_pref("privacy.cpd.cookies", false);
// user_pref("privacy.cpd.downloads", true); // not used, see note above
// user_pref("privacy.cpd.passwords", false);
// user_pref("privacy.cpd.siteSettings", false);
// user_pref("privacy.cpd.downloads", true); // not used, see note above
// user_pref("privacy.cpd.passwords", false);
// user_pref("privacy.cpd.siteSettings", false);
/* 2821: clear Session Restore data when sanitizing on shutdown or manually [FF34+]
* [NOTE] Not needed if Session Restore is not used (0102) or it is already cleared with history (2811)
* [NOTE] privacy.clearOnShutdown.openWindows prevents resuming from crashes (also see 5008) ***/
// user_pref("privacy.clearOnShutdown.openWindows", true);
// user_pref("privacy.cpd.openWindows", true);
// user_pref("privacy.clearOnShutdown.openWindows", true);
// user_pref("privacy.cpd.openWindows", true);
/* 2822: reset default "Time range to clear" for "Clear Recent History" (2820)
* 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
@ -904,14 +904,14 @@ user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDE
* [1] https://bugzilla.mozilla.org/1407366
* [2] https://hg.mozilla.org/mozilla-central/rev/6d2d7856e468#l2.32 ***/
user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF]
// user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF]
// user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF]
/* 4505: experimental RFP [FF91+]
* [WARNING] DO NOT USE unless testing, see [1] comment 12
* [1] https://bugzilla.mozilla.org/1635603 ***/
// user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
// user_pref("privacy.resistFingerprinting.testGranularityMask", 0);
// user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
// user_pref("privacy.resistFingerprinting.testGranularityMask", 0);
/* 4506: set RFP's font visibility level (1402) [FF94+] ***/
// user_pref("layout.css.font-visibility.resistFingerprinting", 1); // [DEFAULT: 1]
// user_pref("layout.css.font-visibility.resistFingerprinting", 1); // [DEFAULT: 1]
/* 4507: disable showing about:blank as soon as possible during startup [FF60+]
* When default true this no longer masks the RFP chrome resizing activity
* [1] https://bugzilla.mozilla.org/1448423 ***/
@ -954,65 +954,65 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow
* [SETTING] Privacy & Security>History>Custom Settings>Always use private browsing mode
* [1] https://wiki.mozilla.org/Private_Browsing
* [2] https://support.mozilla.org/kb/common-myths-about-private-browsing ***/
// user_pref("browser.privatebrowsing.autostart", true);
// user_pref("browser.privatebrowsing.autostart", true);
/* 5002: disable memory cache
* capacity: -1=determine dynamically (default), 0=none, n=memory capacity in kibibytes ***/
// user_pref("browser.cache.memory.enable", false);
// user_pref("browser.cache.memory.capacity", 0);
// user_pref("browser.cache.memory.enable", false);
// user_pref("browser.cache.memory.capacity", 0);
/* 5003: disable saving passwords
* [NOTE] This does not clear any passwords already saved
* [SETTING] Privacy & Security>Logins and Passwords>Ask to save logins and passwords for websites ***/
// user_pref("signon.rememberSignons", false);
// user_pref("signon.rememberSignons", false);
/* 5004: disable permissions manager from writing to disk [FF41+] [RESTART]
* [NOTE] This means any permission changes are session only
* [1] https://bugzilla.mozilla.org/967812 ***/
// user_pref("permissions.memory_only", true); // [HIDDEN PREF]
// user_pref("permissions.memory_only", true); // [HIDDEN PREF]
/* 5005: disable intermediate certificate caching [FF41+] [RESTART]
* [NOTE] 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 ***/
// user_pref("security.nocertdb", true); // [HIDDEN PREF in FF101 or lower]
// user_pref("security.nocertdb", true); // [HIDDEN PREF in FF101 or lower]
/* 5006: disable favicons in history and bookmarks
* [NOTE] Stored as data blobs in favicons.sqlite, these don't reveal anything that your
* actual history (and bookmarks) already do. Your history is more detailed, so
* control that instead; e.g. disable history, clear history on exit, use PB mode
* [NOTE] favicons.sqlite is sanitized on Firefox close ***/
// user_pref("browser.chrome.site_icons", false);
// user_pref("browser.chrome.site_icons", false);
/* 5007: exclude "Undo Closed Tabs" in Session Restore ***/
// user_pref("browser.sessionstore.max_tabs_undo", 0);
// user_pref("browser.sessionstore.max_tabs_undo", 0);
/* 5008: disable resuming session from crash
* [TEST] about:crashparent ***/
// user_pref("browser.sessionstore.resume_from_crash", false);
// user_pref("browser.sessionstore.resume_from_crash", false);
/* 5009: disable "open with" in download dialog [FF50+]
* Application data isolation [1]
* [1] https://bugzilla.mozilla.org/1281959 ***/
// user_pref("browser.download.forbid_open_with", true);
// user_pref("browser.download.forbid_open_with", true);
/* 5010: disable location bar suggestion types
* [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest ***/
// user_pref("browser.urlbar.suggest.history", false);
// user_pref("browser.urlbar.suggest.bookmark", false);
// user_pref("browser.urlbar.suggest.openpage", false);
// user_pref("browser.urlbar.suggest.topsites", false); // [FF78+]
// user_pref("browser.urlbar.suggest.history", false);
// user_pref("browser.urlbar.suggest.bookmark", false);
// user_pref("browser.urlbar.suggest.openpage", false);
// user_pref("browser.urlbar.suggest.topsites", false); // [FF78+]
/* 5011: disable location bar dropdown
* This value controls the total number of entries to appear in the location bar dropdown ***/
// user_pref("browser.urlbar.maxRichResults", 0);
// user_pref("browser.urlbar.maxRichResults", 0);
/* 5012: disable location bar autofill
* [1] https://support.mozilla.org/kb/address-bar-autocomplete-firefox#w_url-autocomplete ***/
// user_pref("browser.urlbar.autoFill", false);
// user_pref("browser.urlbar.autoFill", false);
/* 5013: disable browsing and download history
* [NOTE] We also clear history and downloads on exit (2811)
* [SETTING] Privacy & Security>History>Custom Settings>Remember browsing and download history ***/
// user_pref("places.history.enabled", false);
// user_pref("places.history.enabled", false);
/* 5014: 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);
// 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);
/* 5015: disable Windows taskbar preview [WINDOWS] ***/
// user_pref("browser.taskbar.previews.enable", false); // [DEFAULT: false]
// user_pref("browser.taskbar.previews.enable", false); // [DEFAULT: false]
/* 5016: discourage downloading to desktop
* 0=desktop, 1=downloads (default), 2=last used
* [SETTING] To set your default "downloads": General>Downloads>Save files to ***/
// user_pref("browser.download.folderList", 2);
// user_pref("browser.download.folderList", 2);
/*** [SECTION 5500]: OPTIONAL HARDENING
Not recommended. Overriding these can cause breakage and performance issues,
@ -1021,27 +1021,27 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow
user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!");
/* 5501: disable MathML (Mathematical Markup Language) [FF51+]
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=mathml ***/
// user_pref("mathml.disabled", true); // 1173199
// user_pref("mathml.disabled", true); // 1173199
/* 5502: disable in-content SVG (Scalable Vector Graphics) [FF53+]
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+svg ***/
// user_pref("svg.disabled", true); // 1216893
// user_pref("svg.disabled", true); // 1216893
/* 5503: disable graphite
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+graphite
* [2] https://en.wikipedia.org/wiki/Graphite_(SIL) ***/
// user_pref("gfx.font_rendering.graphite.enabled", false);
// user_pref("gfx.font_rendering.graphite.enabled", false);
/* 5504: disable asm.js [FF22+]
* [1] http://asmjs.org/
* [2] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=asm.js
* [3] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/ ***/
// user_pref("javascript.options.asmjs", false);
// user_pref("javascript.options.asmjs", false);
/* 5505: disable Ion and baseline JIT to harden against JS exploits
* [NOTE] When both Ion and JIT are disabled, and trustedprincipals
* is enabled, then Ion can still be used by extensions (1599226)
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+jit
* [2] https://microsoftedge.github.io/edgevr/posts/Super-Duper-Secure-Mode/ ***/
// user_pref("javascript.options.ion", false);
// user_pref("javascript.options.baselinejit", false);
// user_pref("javascript.options.jit_trustedprincipals", true); // [FF75+] [HIDDEN PREF]
// user_pref("javascript.options.ion", false);
// user_pref("javascript.options.baselinejit", false);
// user_pref("javascript.options.jit_trustedprincipals", true); // [FF75+] [HIDDEN PREF]
/* 5506: disable WebAssembly [FF52+]
* Vulnerabilities [1] have increasingly been found, including those known and fixed
* in native programs years ago [2]. WASM has powerful low-level access, making
@ -1050,7 +1050,7 @@ user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!");
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=wasm
* [2] https://spectrum.ieee.org/tech-talk/telecom/security/more-worries-over-the-security-of-web-assembly
* [3] https://www.zdnet.com/article/half-of-the-websites-using-webassembly-use-it-for-malicious-purposes ***/
// user_pref("javascript.options.wasm", false);
// user_pref("javascript.options.wasm", false);
/*** [SECTION 6000]: DON'T TOUCH ***/
user_pref("_user.js.parrot", "6000 syntax error: the parrot's 'istory!");
@ -1083,18 +1083,18 @@ user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false]
/* 6012: disable SHA-1 certificates ***/
user_pref("security.pki.sha1_enforcement_level", 1); // [DEFAULT: 1 FF102+]
/* 6050: prefsCleaner: reset items removed from arkenfox FF92+ ***/
// user_pref("browser.urlbar.trimURLs", "");
// user_pref("dom.caches.enabled", "");
// user_pref("dom.storageManager.enabled", "");
// user_pref("dom.storage_access.enabled", "");
// user_pref("dom.targetBlankNoOpener.enabled", "");
// user_pref("network.cookie.thirdparty.sessionOnly", "");
// user_pref("network.cookie.thirdparty.nonsecureSessionOnly", "");
// user_pref("privacy.firstparty.isolate.block_post_message", "");
// user_pref("privacy.firstparty.isolate.restrict_opener_access", "");
// user_pref("privacy.firstparty.isolate.use_site", "");
// user_pref("privacy.window.name.update.enabled", "");
// user_pref("security.insecure_connection_text.enabled", "");
// user_pref("browser.urlbar.trimURLs", "");
// user_pref("dom.caches.enabled", "");
// user_pref("dom.storageManager.enabled", "");
// user_pref("dom.storage_access.enabled", "");
// user_pref("dom.targetBlankNoOpener.enabled", "");
// user_pref("network.cookie.thirdparty.sessionOnly", "");
// user_pref("network.cookie.thirdparty.nonsecureSessionOnly", "");
// user_pref("privacy.firstparty.isolate.block_post_message", "");
// user_pref("privacy.firstparty.isolate.restrict_opener_access", "");
// user_pref("privacy.firstparty.isolate.use_site", "");
// user_pref("privacy.window.name.update.enabled", "");
// user_pref("security.insecure_connection_text.enabled", "");
/*** [SECTION 7000]: DON'T BOTHER ***/
user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies!");
@ -1102,10 +1102,10 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
* Location-Aware Browsing, Full Screen, offline cache (appCache), Virtual Reality
* [WHY] The API state is easily fingerprintable. Geo and VR are behind prompts (7002).
* appCache storage capability was removed in FF90. Full screen requires user interaction ***/
// user_pref("geo.enabled", false);
// user_pref("full-screen-api.enabled", false);
// user_pref("browser.cache.offline.enable", false);
// user_pref("dom.vr.enabled", false); // [DEFAULT: false FF97+]
// user_pref("geo.enabled", false);
// user_pref("full-screen-api.enabled", false);
// user_pref("browser.cache.offline.enable", false);
// user_pref("dom.vr.enabled", false); // [DEFAULT: false FF97+]
/* 7002: set default permissions
* Location, Camera, Microphone, Notifications [FF58+] Virtual Reality [FF73+]
* 0=always ask (default), 1=allow, 2=block
@ -1113,92 +1113,92 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
* exceptions as allow/block for frequently visited/annoying sites: i.e. not global
* [SETTING] to add site exceptions: Ctrl+I>Permissions>
* [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Settings ***/
// user_pref("permissions.default.geo", 0);
// user_pref("permissions.default.camera", 0);
// user_pref("permissions.default.microphone", 0);
// user_pref("permissions.default.desktop-notification", 0);
// user_pref("permissions.default.xr", 0); // Virtual Reality
// user_pref("permissions.default.geo", 0);
// user_pref("permissions.default.camera", 0);
// user_pref("permissions.default.microphone", 0);
// user_pref("permissions.default.desktop-notification", 0);
// user_pref("permissions.default.xr", 0); // Virtual Reality
/* 7003: disable non-modern cipher suites [1]
* [WHY] Passive fingerprinting. Minimal/non-existent threat of downgrade attacks
* [1] https://browserleaks.com/ssl ***/
// user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false);
// user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false);
// user_pref("security.ssl3.rsa_aes_128_gcm_sha256", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_gcm_sha384", false); // no PFS
// user_pref("security.ssl3.rsa_aes_128_sha", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_sha", false); // no PFS
// user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false);
// user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false);
// user_pref("security.ssl3.rsa_aes_128_gcm_sha256", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_gcm_sha384", false); // no PFS
// user_pref("security.ssl3.rsa_aes_128_sha", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_sha", false); // no PFS
/* 7004: control TLS versions
* [WHY] Passive fingerprinting and security ***/
// user_pref("security.tls.version.min", 3); // [DEFAULT: 3]
// user_pref("security.tls.version.max", 4);
// user_pref("security.tls.version.min", 3); // [DEFAULT: 3]
// user_pref("security.tls.version.max", 4);
/* 7005: disable SSL session IDs [FF36+]
* [WHY] Passive fingerprinting and perf costs. These are session-only
* and isolated with network partitioning (FF85+) and/or containers ***/
// user_pref("security.ssl.disable_session_identifiers", true); // [HIDDEN PREF in FF101 or lower]
// user_pref("security.ssl.disable_session_identifiers", true); // [HIDDEN PREF in FF101 or lower]
/* 7006: onions
* [WHY] Firefox doesn't support hidden services. Use Tor Browser ***/
// user_pref("dom.securecontext.allowlist_onions", true); // [FF97+] 1382359/1744006
// user_pref("network.http.referer.hideOnionSource", true); // 1305144
// user_pref("dom.securecontext.allowlist_onions", true); // [FF97+] 1382359/1744006
// user_pref("network.http.referer.hideOnionSource", true); // 1305144
/* 7007: referers
* [WHY] Only cross-origin referers (1600s) need control ***/
// user_pref("network.http.sendRefererHeader", 2);
// user_pref("network.http.referer.trimmingPolicy", 0);
// user_pref("network.http.sendRefererHeader", 2);
// user_pref("network.http.referer.trimmingPolicy", 0);
/* 7008: set the default Referrer Policy [FF59+]
* 0=no-referer, 1=same-origin, 2=strict-origin-when-cross-origin, 3=no-referrer-when-downgrade
* [WHY] Defaults are fine. They can be overridden by a site-controlled Referrer Policy ***/
// user_pref("network.http.referer.defaultPolicy", 2); // [DEFAULT: 2]
// user_pref("network.http.referer.defaultPolicy.pbmode", 2); // [DEFAULT: 2]
// user_pref("network.http.referer.defaultPolicy", 2); // [DEFAULT: 2]
// user_pref("network.http.referer.defaultPolicy.pbmode", 2); // [DEFAULT: 2]
/* 7010: disable HTTP Alternative Services [FF37+]
* [WHY] Already isolated with network partitioning (FF85+) ***/
// user_pref("network.http.altsvc.enabled", false);
// user_pref("network.http.altsvc.oe", false); // [DEFAULT: false FF94+]
// user_pref("network.http.altsvc.enabled", false);
// user_pref("network.http.altsvc.oe", false); // [DEFAULT: false FF94+]
/* 7011: disable website control over browser right-click context menu
* [WHY] Just use Shift-Right-Click ***/
// user_pref("dom.event.contextmenu.enabled", false);
// user_pref("dom.event.contextmenu.enabled", false);
/* 7012: disable icon fonts (glyphs) and local fallback rendering
* [WHY] Breakage, font fallback is equivalency, also RFP
* [1] https://bugzilla.mozilla.org/789788
* [2] https://gitlab.torproject.org/legacy/trac/-/issues/8455 ***/
// user_pref("gfx.downloadable_fonts.enabled", false); // [FF41+]
// user_pref("gfx.downloadable_fonts.fallback_delay", -1);
// user_pref("gfx.downloadable_fonts.enabled", false); // [FF41+]
// user_pref("gfx.downloadable_fonts.fallback_delay", -1);
/* 7013: disable Clipboard API
* [WHY] Fingerprintable. Breakage. Cut/copy/paste require user
* interaction, and paste is limited to focused editable fields ***/
// user_pref("dom.event.clipboardevents.enabled", false);
// user_pref("dom.event.clipboardevents.enabled", false);
/* 7014: disable System Add-on updates
* [WHY] It can compromise security. System addons ship with prefs, use those ***/
// user_pref("extensions.systemAddon.update.enabled", false); // [FF62+]
// user_pref("extensions.systemAddon.update.url", ""); // [FF44+]
// user_pref("extensions.systemAddon.update.enabled", false); // [FF62+]
// user_pref("extensions.systemAddon.update.url", ""); // [FF44+]
/* 7015: enable the DNT (Do Not Track) HTTP header
* [WHY] DNT is enforced with Tracking Protection which is used in ETP Strict (2701) ***/
// user_pref("privacy.donottrackheader.enabled", true);
// user_pref("privacy.donottrackheader.enabled", true);
/* 7016: customize ETP settings
* [WHY] Arkenfox only supports strict (2701) which sets these at runtime ***/
// user_pref("network.cookie.cookieBehavior", 5);
// user_pref("network.http.referer.disallowCrossSiteRelaxingDefault", true);
// user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // [FF100+]
// user_pref("privacy.partition.network_state.ocsp_cache", true);
// user_pref("privacy.query_stripping.enabled", true); // [FF101+] [ETP FF102+]
// user_pref("privacy.trackingprotection.enabled", true);
// user_pref("privacy.trackingprotection.socialtracking.enabled", true);
// user_pref("privacy.trackingprotection.cryptomining.enabled", true); // [DEFAULT: true]
// user_pref("privacy.trackingprotection.fingerprinting.enabled", true); // [DEFAULT: true]
// user_pref("network.cookie.cookieBehavior", 5);
// user_pref("network.http.referer.disallowCrossSiteRelaxingDefault", true);
// user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // [FF100+]
// user_pref("privacy.partition.network_state.ocsp_cache", true);
// user_pref("privacy.query_stripping.enabled", true); // [FF101+] [ETP FF102+]
// user_pref("privacy.trackingprotection.enabled", true);
// user_pref("privacy.trackingprotection.socialtracking.enabled", true);
// user_pref("privacy.trackingprotection.cryptomining.enabled", true); // [DEFAULT: true]
// user_pref("privacy.trackingprotection.fingerprinting.enabled", true); // [DEFAULT: true]
/* 7017: disable service workers
* [WHY] Already isolated (FF96+) with TCP (2701) behind a pref (2710)
* or blocked with TCP in 3rd parties (FF95 or lower) ***/
// user_pref("dom.serviceWorkers.enabled", false);
// user_pref("dom.serviceWorkers.enabled", false);
/* 7018: disable Web Notifications
* [WHY] Web Notifications are behind a prompt (7002)
* [1] https://blog.mozilla.org/en/products/firefox/block-notification-requests/ ***/
// user_pref("dom.webnotifications.enabled", false); // [FF22+]
// user_pref("dom.webnotifications.serviceworker.enabled", false); // [FF44+]
// user_pref("dom.webnotifications.enabled", false); // [FF22+]
// user_pref("dom.webnotifications.serviceworker.enabled", false); // [FF44+]
/* 7019: disable Push Notifications [FF44+]
* [WHY] Push requires subscription
* [NOTE] To remove all subscriptions, reset "dom.push.userAgentID"
* [1] https://support.mozilla.org/kb/push-notifications-firefox ***/
// user_pref("dom.push.enabled", false);
// user_pref("dom.push.enabled", false);
/*** [SECTION 8000]: DON'T BOTHER: FINGERPRINTING
[WHY] They are insufficient to help anti-fingerprinting and do more harm than good
@ -1206,31 +1206,31 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
***/
user_pref("_user.js.parrot", "8000 syntax error: the parrot's crossed the Jordan");
/* 8001: disable APIs ***/
// user_pref("device.sensors.enabled", false);
// user_pref("dom.enable_performance", false);
// user_pref("dom.enable_resource_timing", false);
// user_pref("dom.gamepad.enabled", false);
// user_pref("dom.netinfo.enabled", false); // [DEFAULT: false NON-ANDROID: false ANDROID FF99+]
// user_pref("dom.webaudio.enabled", false);
// user_pref("device.sensors.enabled", false);
// user_pref("dom.enable_performance", false);
// user_pref("dom.enable_resource_timing", false);
// user_pref("dom.gamepad.enabled", false);
// user_pref("dom.netinfo.enabled", false); // [DEFAULT: false NON-ANDROID: false ANDROID FF99+]
// user_pref("dom.webaudio.enabled", false);
/* 8002: disable other ***/
// user_pref("browser.display.use_document_fonts", 0);
// user_pref("browser.zoom.siteSpecific", false);
// user_pref("dom.w3c_touch_events.enabled", 0);
// user_pref("media.navigator.enabled", false);
// user_pref("media.ondevicechange.enabled", false);
// user_pref("media.video_stats.enabled", false);
// user_pref("media.webspeech.synth.enabled", false);
// user_pref("webgl.enable-debug-renderer-info", false);
// user_pref("browser.display.use_document_fonts", 0);
// user_pref("browser.zoom.siteSpecific", false);
// user_pref("dom.w3c_touch_events.enabled", 0);
// user_pref("media.navigator.enabled", false);
// user_pref("media.ondevicechange.enabled", false);
// user_pref("media.video_stats.enabled", false);
// user_pref("media.webspeech.synth.enabled", false);
// user_pref("webgl.enable-debug-renderer-info", false);
/* 8003: spoof ***/
// user_pref("dom.maxHardwareConcurrency", 2);
// user_pref("font.system.whitelist", ""); // [HIDDEN PREF]
// user_pref("general.appname.override", ""); // [HIDDEN PREF]
// user_pref("general.appversion.override", ""); // [HIDDEN PREF]
// user_pref("general.buildID.override", ""); // [HIDDEN PREF]
// user_pref("general.oscpu.override", ""); // [HIDDEN PREF]
// user_pref("general.platform.override", ""); // [HIDDEN PREF]
// user_pref("general.useragent.override", ""); // [HIDDEN PREF]
// user_pref("ui.use_standins_for_native_colors", true);
// user_pref("dom.maxHardwareConcurrency", 2);
// user_pref("font.system.whitelist", ""); // [HIDDEN PREF]
// user_pref("general.appname.override", ""); // [HIDDEN PREF]
// user_pref("general.appversion.override", ""); // [HIDDEN PREF]
// user_pref("general.buildID.override", ""); // [HIDDEN PREF]
// user_pref("general.oscpu.override", ""); // [HIDDEN PREF]
// user_pref("general.platform.override", ""); // [HIDDEN PREF]
// user_pref("general.useragent.override", ""); // [HIDDEN PREF]
// user_pref("ui.use_standins_for_native_colors", true);
/*** [SECTION 9000]: PERSONAL
Non-project related but useful. If any interest you, add them to your overrides
@ -1238,60 +1238,60 @@ user_pref("_user.js.parrot", "8000 syntax error: the parrot's crossed the Jordan
user_pref("_user.js.parrot", "9000 syntax error: the parrot's cashed in 'is chips!");
/* WELCOME & WHAT'S NEW NOTICES ***/
user_pref("browser.startup.homepage_override.mstone", "ignore"); // master switch
// 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("startup.homepage_welcome_url", "");
// user_pref("startup.homepage_welcome_url.additional", "");
// user_pref("startup.homepage_override_url", ""); // What's New page after updates
/* WARNINGS ***/
// user_pref("browser.tabs.warnOnClose", false); // [DEFAULT false FF94+]
// user_pref("browser.tabs.warnOnCloseOtherTabs", false);
// user_pref("browser.tabs.warnOnOpen", false);
// user_pref("browser.warnOnQuitShortcut", false); // [FF94+]
// user_pref("full-screen-api.warning.delay", 0);
// user_pref("full-screen-api.warning.timeout", 0);
// user_pref("browser.tabs.warnOnClose", false); // [DEFAULT false FF94+]
// user_pref("browser.tabs.warnOnCloseOtherTabs", false);
// user_pref("browser.tabs.warnOnOpen", false);
// user_pref("browser.warnOnQuitShortcut", false); // [FF94+]
// user_pref("full-screen-api.warning.delay", 0);
// user_pref("full-screen-api.warning.timeout", 0);
/* UPDATES ***/
// user_pref("app.update.auto", false); // [NON-WINDOWS] disable auto app updates
// [NOTE] You will still get prompts to update, and should do so in a timely manner
// [SETTING] General>Firefox Updates>Check for updates but let you choose to install them
// user_pref("browser.search.update", false); // disable search engine updates (e.g. OpenSearch)
// [NOTE] This does not affect Mozilla's built-in or Web Extension search engines
// user_pref("extensions.update.enabled", false); // disable extension and theme update checks
// user_pref("extensions.update.autoUpdateDefault", false); // disable installing extension and theme updates
// [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle)
// user_pref("extensions.getAddons.cache.enabled", false); // disable extension metadata (extension detail tab)
// user_pref("app.update.auto", false); // [NON-WINDOWS] disable auto app updates
// [NOTE] You will still get prompts to update, and should do so in a timely manner
// [SETTING] General>Firefox Updates>Check for updates but let you choose to install them
// user_pref("browser.search.update", false); // disable search engine updates (e.g. OpenSearch)
// [NOTE] This does not affect Mozilla's built-in or Web Extension search engines
// user_pref("extensions.update.enabled", false); // disable extension and theme update checks
// user_pref("extensions.update.autoUpdateDefault", false); // disable installing extension and theme updates
// [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle)
// user_pref("extensions.getAddons.cache.enabled", false); // disable extension metadata (extension detail tab)
/* APPEARANCE ***/
// user_pref("browser.download.autohideButton", false); // [FF57+]
// user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true); // [FF68+] allow userChrome/userContent
// user_pref("ui.prefersReducedMotion", 1); // disable chrome animations [FF77+] [RESTART] [HIDDEN PREF]
// 0=no-preference, 1=reduce: with RFP this only affects chrome
// user_pref("ui.systemUsesDarkTheme", 1); // [FF67+] [HIDDEN PREF]
// 0=light, 1=dark: with RFP this only affects chrome
// user_pref("browser.download.autohideButton", false); // [FF57+]
// user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true); // [FF68+] allow userChrome/userContent
// user_pref("ui.prefersReducedMotion", 1); // disable chrome animations [FF77+] [RESTART] [HIDDEN PREF]
// 0=no-preference, 1=reduce: with RFP this only affects chrome
// user_pref("ui.systemUsesDarkTheme", 1); // [FF67+] [HIDDEN PREF]
// 0=light, 1=dark: with RFP this only affects chrome
/* CONTENT BEHAVIOR ***/
// user_pref("accessibility.typeaheadfind", true); // enable "Find As You Type"
// user_pref("clipboard.autocopy", false); // disable autocopy default [LINUX]
// user_pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line
// user_pref("accessibility.typeaheadfind", true); // enable "Find As You Type"
// user_pref("clipboard.autocopy", false); // disable autocopy default [LINUX]
// user_pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line
/* UX BEHAVIOR ***/
// user_pref("browser.backspace_action", 2); // 0=previous page, 1=scroll up, 2=do nothing
// user_pref("browser.quitShortcut.disabled", true); // disable Ctrl-Q quit shortcut [LINUX] [MAC] [FF87+]
// user_pref("browser.tabs.closeWindowWithLastTab", false);
// user_pref("browser.tabs.loadBookmarksInTabs", true); // open bookmarks in a new tab [FF57+]
// user_pref("browser.urlbar.decodeURLsOnCopy", true); // see bugzilla 1320061 [FF53+]
// user_pref("general.autoScroll", false); // middle-click enabling auto-scrolling [DEFAULT: false on Linux]
// user_pref("ui.key.menuAccessKey", 0); // disable alt key toggling the menu bar [RESTART]
// user_pref("view_source.tab", false); // view "page/selection source" in a new window [FF68+]
// user_pref("browser.backspace_action", 2); // 0=previous page, 1=scroll up, 2=do nothing
// user_pref("browser.quitShortcut.disabled", true); // disable Ctrl-Q quit shortcut [LINUX] [MAC] [FF87+]
// user_pref("browser.tabs.closeWindowWithLastTab", false);
// user_pref("browser.tabs.loadBookmarksInTabs", true); // open bookmarks in a new tab [FF57+]
// user_pref("browser.urlbar.decodeURLsOnCopy", true); // see bugzilla 1320061 [FF53+]
// user_pref("general.autoScroll", false); // middle-click enabling auto-scrolling [DEFAULT: false on Linux]
// user_pref("ui.key.menuAccessKey", 0); // disable alt key toggling the menu bar [RESTART]
// user_pref("view_source.tab", false); // view "page/selection source" in a new window [FF68+]
/* UX FEATURES ***/
user_pref("browser.messaging-system.whatsNewPanel.enabled", false); // What's New toolbar icon [FF69+]
// user_pref("extensions.pocket.enabled", false); // Pocket Account [FF46+]
// user_pref("extensions.screenshots.disabled", true); // [FF55+]
// user_pref("identity.fxaccounts.enabled", false); // Firefox Accounts & Sync [FF60+] [RESTART]
// user_pref("reader.parse-on-load.enabled", false); // Reader View
// user_pref("extensions.pocket.enabled", false); // Pocket Account [FF46+]
// user_pref("extensions.screenshots.disabled", true); // [FF55+]
// user_pref("identity.fxaccounts.enabled", false); // Firefox Accounts & Sync [FF60+] [RESTART]
// user_pref("reader.parse-on-load.enabled", false); // Reader View
/* OTHER ***/
// user_pref("browser.bookmarks.max_backups", 2);
// user_pref("browser.bookmarks.max_backups", 2);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false); // disable CFR [FF67+]
// [SETTING] General>Browsing>Recommend extensions as you browse
// [SETTING] General>Browsing>Recommend extensions as you browse
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false); // disable CFR [FF67+]
// [SETTING] General>Browsing>Recommend features as you browse
// user_pref("network.manage-offline-status", false); // see bugzilla 620472
// user_pref("xpinstall.signatures.required", false); // enforced extension signing (Nightly/ESR)
// [SETTING] General>Browsing>Recommend features as you browse
// user_pref("network.manage-offline-status", false); // see bugzilla 620472
// user_pref("xpinstall.signatures.required", false); // enforced extension signing (Nightly/ESR)
/*** [SECTION 9999]: DEPRECATED / REMOVED / LEGACY / RENAMED
Documentation denoted as [-]. Items deprecated prior to FF91 have been archived at [1]
@ -1350,4 +1350,4 @@ user_pref("dom.storage.next_gen", true); // [DEFAULT: true FF92+]
// ***/
/* END: internal custom pref to test for syntax errors ***/
user_pref("_user.js.parrot", "SUCCESS: No no he's not dead, he's, he's restin'!");
user_pref("_user.js.parrot", "SUCCESS: No no he's not dead, he's, he's restin'!");