From 8ef7f65b60f93c6d8e9b9229700d30f786741fa4 Mon Sep 17 00:00:00 2001 From: Kshitij Date: Fri, 6 Jun 2025 16:01:59 +0530 Subject: [PATCH] Reviewed all prefs and copied the ones I need to custom.js --- Firefox-Config/arken-user.js | 892 ----------------------------------- Firefox-Config/custom.js | 112 ++++- 2 files changed, 109 insertions(+), 895 deletions(-) delete mode 100644 Firefox-Config/arken-user.js diff --git a/Firefox-Config/arken-user.js b/Firefox-Config/arken-user.js deleted file mode 100644 index b5dc51d..0000000 --- a/Firefox-Config/arken-user.js +++ /dev/null @@ -1,892 +0,0 @@ -/****** -* name: arkenfox user.js -* date: 6 March 2025 -* version: 135 -* urls: https://github.com/arkenfox/user.js [repo] -* : https://arkenfox.github.io/gui/ [interactive] -* license: MIT: https://github.com/arkenfox/user.js/blob/master/LICENSE.txt - -* README: - - 1. Consider using Tor Browser if it meets your needs or fits your threat model - * https://2019.www.torproject.org/about/torusers.html - 2. Read the entire wiki - * https://github.com/arkenfox/user.js/wiki - 3. If you skipped step 2, return to step 2 - 4. Make changes in a user-overrides.js - * There are often trade-offs and conflicts between security vs privacy vs anti-tracking - and these need to be balanced against functionality & convenience & breakage - * Some site breakage and unintended consequences will happen. Everyone's experience will differ - e.g. some user data is erased on exit (section 2800), change this to suit your needs - * While not 100% definitive, search for "[SETUP" tags - 5. Some tag info - [SETUP-SECURITY] it's one item, read it - [SETUP-WEB] can cause some websites to break - [SETUP-CHROME] changes how Firefox itself behaves (i.e. not directly website related) - 6. Override Recipes: https://github.com/arkenfox/user.js/issues/1080 - -* RELEASES: https://github.com/arkenfox/user.js/releases - - * Use the arkenfox release that matches your Firefox version - - DON'T wait for arkenfox to update Firefox, nothing major changes these days - * Each release - - run prefsCleaner to reset prefs made inactive, including deprecated (9999) - * ESR - - It is recommended to not use the updater, or you will get a later version which may cause issues. - So you should manually append your overrides (and keep a copy), and manually update when you - change ESR releases (arkenfox is already past that release) - - If you decide to keep updating, then the onus is on you - also see section 9999 - -* INDEX: - - 0100: STARTUP - 0200: GEOLOCATION - 0300: QUIETER FOX - 0400: SAFE BROWSING - 0600: BLOCK IMPLICIT OUTBOUND - 0700: DNS / DoH / PROXY / SOCKS - 0800: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS - 0900: PASSWORDS - 1000: DISK AVOIDANCE - 1200: HTTPS (SSL/TLS / OCSP / CERTS / HPKP) - 1600: REFERERS - 1700: CONTAINERS - 2000: PLUGINS / MEDIA / WEBRTC - 2400: DOM (DOCUMENT OBJECT MODEL) - 2600: MISCELLANEOUS - 2700: ETP (ENHANCED TRACKING PROTECTION) - 2800: SHUTDOWN & SANITIZING - 4000: FPP (fingerprintingProtection) - 4500: OPTIONAL RFP (resistFingerprinting) - 5000: OPTIONAL OPSEC - 5500: OPTIONAL HARDENING - 6000: DON'T TOUCH - 7000: DON'T BOTHER - 8000: DON'T BOTHER: FINGERPRINTING - 8500: TELEMETRY - 9000: NON-PROJECT RELATED - 9999: DEPRECATED / RENAMED - -******/ - -/*** [SECTION 0700]: DNS / DoH / PROXY / SOCKS ***/ -user_pref("_user.js.parrot", "0700 syntax error: the parrot's given up the ghost!"); -/* 0702: set the proxy server to do any DNS lookups when using SOCKS - * e.g. in Tor, this stops your local DNS server from knowing your Tor destination - * as a remote Tor node will handle the DNS request - * [1] https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WebBrowsers ***/ -user_pref("network.proxy.socks_remote_dns", true); -/* 0703: disable using UNC (Uniform Naming Convention) paths [FF61+] - * [SETUP-CHROME] Can break extensions for profiles on network shares - * [1] https://bugzilla.mozilla.org/1413868 ***/ -user_pref("network.file.disable_unc_paths", true); // [HIDDEN PREF] -/* 0704: disable GIO as a potential proxy bypass vector - * Gvfs/GIO has a set of supported protocols like obex, network, archive, computer, - * dav, cdda, gphoto2, trash, etc. From FF87-117, by default only sftp was accepted - * [1] https://bugzilla.mozilla.org/1433507 - * [2] https://en.wikipedia.org/wiki/GVfs - * [3] https://en.wikipedia.org/wiki/GIO_(software) ***/ -user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF] [DEFAULT: ""] -/* 0705: disable proxy direct failover for system requests [FF91+] - * [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); -/* 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); -/* 0710: enable DNS-over-HTTPS (DoH) [FF60+] - * 0=default, 2=increased (TRR (Trusted Recursive Resolver) first), 3=max (TRR only), 5=off (no rollout) - * see "doh-rollout.home-region": USA 2019, Canada 2021, Russia/Ukraine 2022 [3] - * [SETTING] Privacy & Security>DNS over HTTPS - * [1] https://hacks.mozilla.org/2018/05/a-cartoon-intro-to-dns-over-https/ - * [2] https://wiki.mozilla.org/Security/DOH-resolver-policy - * [3] https://support.mozilla.org/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", 3); -/* 0712: set DoH provider - * The custom uri is the value shown when you "Choose provider>Custom>" - * [NOTE] If you USE custom then "network.trr.uri" should be set the same - * [SETTING] Privacy & Security>DNS over HTTPS>Increased/Max>Choose provider ***/ - // user_pref("network.trr.uri", "https://example.dns"); - // user_pref("network.trr.custom_uri", "https://example.dns"); - - -/*** [SECTION 1200]: HTTPS (SSL/TLS / OCSP / CERTS / HPKP) - Your cipher and other settings can be used in server side fingerprinting - [TEST] https://www.ssllabs.com/ssltest/viewMyClient.html - [TEST] https://browserleaks.com/ssl - [TEST] https://ja3er.com/ - [1] https://www.securityartwork.es/2017/02/02/tls-client-fingerprinting-with-bro/ -***/ -user_pref("_user.js.parrot", "1200 syntax error: the parrot's a stiff!"); -/** SSL (Secure Sockets Layer) / TLS (Transport Layer Security) ***/ -/* 1201: require safe negotiation - * Blocks connections to servers that don't support RFC 5746 [2] as they're potentially vulnerable to a - * MiTM attack [3]. A server without RFC 5746 can be safe from the attack if it disables renegotiations - * but the problem is that the browser can't know that. Setting this pref to true is the only way for the - * browser to ensure there will be no unsafe renegotiations on the channel between the browser and the server - * [SETUP-WEB] SSL_ERROR_UNSAFE_NEGOTIATION: is it worth overriding this for that one site? - * [STATS] SSL Labs (May 2024) reports over 99.7% of top sites have secure renegotiation [4] - * [1] https://wiki.mozilla.org/Security:Renegotiation - * [2] https://datatracker.ietf.org/doc/html/rfc5746 - * [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555 - * [4] https://www.ssllabs.com/ssl-pulse/ ***/ -user_pref("security.ssl.require_safe_negotiation", true); -/* 1206: disable TLS1.3 0-RTT (round-trip time) [FF51+] - * This data is not forward secret, as it is encrypted solely under keys derived using - * the offered PSK. There are no guarantees of non-replay between connections - * [1] https://github.com/tlswg/tls13-spec/issues/1001 - * [2] https://www.rfc-editor.org/rfc/rfc9001.html#name-replay-attacks-with-0-rtt - * [3] https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/ ***/ -user_pref("security.tls.enable_0rtt_data", false); - - -/*** [SECTION 2000]: PLUGINS / MEDIA / WEBRTC ***/ -user_pref("_user.js.parrot", "2000 syntax error: the parrot's snuffed it!"); -/* 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+] - * When using a system-wide proxy, it uses the proxy interface - * [1] https://developer.mozilla.org/docs/Web/API/RTCIceCandidate - * [2] https://wiki.mozilla.org/Media/WebRTC/Privacy ***/ -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); -/* 2020: disable GMP (Gecko Media Plugins) - * [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/ - // user_pref("media.gmp-provider.enabled", false); - - - - - -/*** [SECTION 2600]: MISCELLANEOUS ***/ -user_pref("_user.js.parrot", "2600 syntax error: the parrot's run down the curtain!"); -/* 2603: remove temp files opened from non-PB windows with an external application - * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=302433,1738574 ***/ -user_pref("browser.download.start_downloads_in_tmp_dir", true); // [FF102+] -user_pref("browser.helperApps.deleteTempFileOnExit", true); -/* 2606: disable UITour backend so there is no chance that a remote page can use it ***/ -user_pref("browser.uitour.enabled", false); - // user_pref("browser.uitour.url", ""); // Defense-in-depth -/* 2608: reset remote debugging to disabled - * [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/16222 ***/ -user_pref("devtools.debugger.remote-enabled", false); // [DEFAULT: 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); -/* 2616: remove special permissions for certain mozilla domains [FF35+] - * [1] resource://app/defaults/permissions ***/ -user_pref("permissions.manager.defaultsUrl", ""); -/* 2619: use Punycode in Internationalized Domain Names to eliminate possible spoofing - * [SETUP-WEB] Might be undesirable for non-latin alphabet users since legitimate IDN's are also punycoded - * [TEST] https://www.xn--80ak6aa92e.com/ (www.apple.com) - * [1] https://wiki.mozilla.org/IDN_Display_Algorithm - * [2] https://en.wikipedia.org/wiki/IDN_homograph_attack - * [3] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=punycode+firefox - * [4] https://www.xudongz.com/blog/2017/idn-phishing/ ***/ -user_pref("network.IDN_show_punycode", true); -/* 2620: enforce PDFJS, disable PDFJS scripting - * This setting controls if the option "Display in Firefox" is available in the setting below - * and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With") - * [WHY] pdfjs is lightweight, open source, and secure: the last exploit was June 2015 [1] - * It doesn't break "state separation" of browser content (by not sharing with OS, independent apps). - * It maintains disk avoidance and application data isolation. It's convenient. You can still save to disk. - * [NOTE] JS can still force a pdf to open in-browser by bundling its own code - * [SETUP-CHROME] You may prefer a different pdf reader for security/workflow reasons - * [SETTING] General>Applications>Portable Document Format (PDF) - * [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=pdf.js+firefox ***/ -user_pref("pdfjs.disabled", false); // [DEFAULT: false] -user_pref("pdfjs.enableScripting", false); // [FF86+] -/* 2624: disable middle click on new tab button opening URLs or searches using clipboard [FF115+] */ -user_pref("browser.tabs.searchclipboardfor.middleclick", false); // [DEFAULT: false NON-LINUX] -/* 2630: disable content analysis by DLP (Data Loss Prevention) agents - * DLP agents are background processes on managed computers that allow enterprises to monitor locally running - * applications for data exfiltration events, which they can allow/block based on customer defined DLP policies. - * 0=Block all requests, 1=Warn on all requests (which lets the user decide), 2=Allow all requests - * [1] https://github.com/chromium/content_analysis_sdk */ -user_pref("browser.contentanalysis.enabled", false); // [FF121+] [DEFAULT: false] -user_pref("browser.contentanalysis.default_result", 0); // [FF127+] [DEFAULT: 0] - -/** DOWNLOADS ***/ -/* 2651: enable user interaction for security by always asking where to download - * [SETUP-CHROME] On Android this blocks longtapping and saving images - * [SETTING] General>Downloads>Always ask you where to save files ***/ -user_pref("browser.download.useDownloadDir", false); -/* 2652: disable downloads panel opening on every download [FF96+] ***/ -user_pref("browser.download.alwaysOpenPanel", false); -/* 2653: disable adding downloads to the system's "recent documents" list ***/ -user_pref("browser.download.manager.addToRecentDocs", false); -/* 2654: enable user interaction for security by always asking how to handle new mimetypes [FF101+] - * [SETTING] General>Files and Applications>What should Firefox do with other files ***/ -user_pref("browser.download.always_ask_before_handling_new_types", true); - -/** EXTENSIONS ***/ -/* 2660: limit allowed extension directories - * 1=profile, 2=user, 4=application, 8=system, 16=temporary, 31=all - * The pref value represents the sum: e.g. 5 would be profile and application directories - * [SETUP-CHROME] Breaks usage of files which are installed outside allowed directories - * [1] https://archive.is/DYjAM ***/ -user_pref("extensions.enabledScopes", 5); // [HIDDEN PREF] - // user_pref("extensions.autoDisableScopes", 15); // [DEFAULT: 15] -/* 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", ""); - -/*** [SECTION 2700]: ETP (ENHANCED TRACKING PROTECTION) ***/ -user_pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin' choir invisible!"); -/* 2701: enable ETP Strict Mode [FF86+] - * ETP Strict Mode enables Total Cookie Protection (TCP) - * [NOTE] Adding site exceptions disables all ETP protections for that site and increases the risk of - * cross-site state tracking e.g. exceptions for SiteA and SiteB means PartyC on both sites is shared - * [1] https://blog.mozilla.org/security/2021/02/23/total-cookie-protection/ - * [SETTING] to add site exceptions: Urlbar>ETP Shield - * [SETTING] to manage site exceptions: Options>Privacy & Security>Enhanced Tracking Protection>Manage Exceptions ***/ -user_pref("browser.contentblocking.category", "strict"); // [HIDDEN PREF] -/* 2702: disable ETP web compat features [FF93+] - * [SETUP-HARDEN] Includes skip lists, heuristics (SmartBlock) and automatic grants - * Opener and redirect heuristics are granted for 30 days, see [3] - * [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/docs/Web/Privacy/State_Partitioning#storage_access_heuristics ***/ - // user_pref("privacy.antitracking.enableWebcompat", false); - -/*** [SECTION 2800]: SHUTDOWN & SANITIZING ***/ -user_pref("_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!"); -/* 2810: enable Firefox to clear items on shutdown - * [NOTE] In FF129+ clearing "siteSettings" on shutdown (2811+), or manually via site data (2820+) and - * via history (2830), will no longer remove sanitize on shutdown "cookie and site data" site exceptions (2815) - * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes | Settings ***/ -user_pref("privacy.sanitize.sanitizeOnShutdown", true); - -/** SANITIZE ON SHUTDOWN: IGNORES "ALLOW" SITE EXCEPTIONS ***/ -/* 2811: set/enforce clearOnShutdown items (if 2810 is true) [SETUP-CHROME] [FF128+] ***/ -user_pref("privacy.clearOnShutdown_v2.cache", true); // [DEFAULT: true] -user_pref("privacy.clearOnShutdown_v2.historyFormDataAndDownloads", true); // [DEFAULT: true] - // user_pref("privacy.clearOnShutdown_v2.siteSettings", false); // [DEFAULT: false] -/* 2812: set/enforce clearOnShutdown items [FF136+] ***/ -user_pref("privacy.clearOnShutdown_v2.browsingHistoryAndDownloads", true); // [DEFAULT: true] -user_pref("privacy.clearOnShutdown_v2.downloads", true); -user_pref("privacy.clearOnShutdown_v2.formdata", true); -/* 2813: set Session Restore to clear on shutdown (if 2810 is true) [FF34+] - * [NOTE] Not needed if Session Restore is not used (0102) or it is already cleared with history (2811+) - * [NOTE] If true, this prevents resuming from crashes (also see 5008) ***/ - // user_pref("privacy.clearOnShutdown.openWindows", true); - -/** SANITIZE ON SHUTDOWN: RESPECTS "ALLOW" SITE EXCEPTIONS ***/ -/* 2815: set "Cookies" and "Site Data" to clear on shutdown (if 2810 is true) [SETUP-CHROME] [FF128+] - * [NOTE] Exceptions: For cross-domain logins, add exceptions for both sites - * e.g. https://www.youtube.com (site) + https://accounts.google.com (single sign on) - * [WARNING] Be selective with what sites you "Allow", as they also disable partitioning (1767271) - * [SETTING] to add site exceptions: Ctrl+I>Permissions>Cookies>Allow (when on the website in question) - * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Settings ***/ -user_pref("privacy.clearOnShutdown_v2.cookiesAndStorage", true); - -/** SANITIZE SITE DATA: IGNORES "ALLOW" SITE EXCEPTIONS ***/ -/* 2820: set manual "Clear Data" items [SETUP-CHROME] [FF128+] - * Firefox remembers your last choices. This will reset them when you start Firefox - * [SETTING] Privacy & Security>Browser Privacy>Cookies and Site Data>Clear Data ***/ -user_pref("privacy.clearSiteData.cache", true); -user_pref("privacy.clearSiteData.cookiesAndStorage", false); // keep false until it respects "allow" site exceptions -user_pref("privacy.clearSiteData.historyFormDataAndDownloads", true); - // user_pref("privacy.clearSiteData.siteSettings", false); -/* 2821: set manual "Clear Data" items [FF136+] ***/ -user_pref("privacy.clearSiteData.browsingHistoryAndDownloads", true); -user_pref("privacy.clearSiteData.formdata", true); - -/** SANITIZE HISTORY: IGNORES "ALLOW" SITE EXCEPTIONS ***/ -/* 2830: set manual "Clear History" items, also via Ctrl-Shift-Del [SETUP-CHROME] [FF128+] - * Firefox remembers your last choices. This will reset them when you start Firefox - * [SETTING] Privacy & Security>History>Custom Settings>Clear History ***/ -user_pref("privacy.clearHistory.cache", true); // [DEFAULT: true] -user_pref("privacy.clearHistory.cookiesAndStorage", false); -user_pref("privacy.clearHistory.historyFormDataAndDownloads", true); // [DEFAULT: true] - // user_pref("privacy.clearHistory.siteSettings", false); // [DEFAULT: false] -/* 2831: set manual "Clear History" items [FF136+] ***/ -user_pref("privacy.clearHistory.browsingHistoryAndDownloads", true); // [DEFAULT: true] -user_pref("privacy.clearHistory.formdata", true); - -/** SANITIZE MANUAL: TIMERANGE ***/ -/* 2840: set "Time range to clear" for "Clear Data" (2820+) and "Clear History" (2830+) - * 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 - * [NOTE] Values 5 (last 5 minutes) and 6 (last 24 hours) are not listed in the dropdown, - * which will display a blank value, and are not guaranteed to work ***/ -user_pref("privacy.sanitize.timeSpan", 0); - -/*** [SECTION 4000]: FPP (fingerprintingProtection) - RFP (4501) overrides FPP - - In FF118+ FPP is on by default in private windows (4001) and in FF119+ is controlled - by ETP (2701). FPP will also use Remote Services in future to relax FPP protections - on a per site basis for compatibility (4004). - - https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargetsDefault.inc - - [NOTE] RFPTargets + granular overrides are somewhat experimental and may produce unexpected results - - e.g. FrameRate can only be controlled per process, not per origin - - 1826408 - restrict fonts to system (kBaseFonts + kLangPackFonts) (Windows, Mac, some Linux) - https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc - 1858181 - subtly randomize canvas per eTLD+1, per session and per window-mode (FF120+) -***/ -user_pref("_user.js.parrot", "4000 syntax error: the parrot's bereft of life!"); -/* 4001: enable FPP in PB mode [FF114+] - * [NOTE] In FF119+, FPP for all modes (7016) is enabled with ETP Strict (2701) ***/ - // user_pref("privacy.fingerprintingProtection.pbmode", true); // [DEFAULT: true] -/* 4002: set global FPP overrides [FF114+] - * uses "RFPTargets" [1] which despite the name these are not used by RFP - * e.g. "+AllTargets,-CSSPrefersColorScheme,-JSDateTimeUTC" = all targets but allow prefers-color-scheme and do not change timezone - * e.g. "-AllTargets,+CanvasRandomization,+JSDateTimeUTC" = no targets but do use FPP canvas and change timezone - * [NOTE] Not supported by arkenfox. Either use RFP or FPP at defaults - * [1] https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargets.inc ***/ - // user_pref("privacy.fingerprintingProtection.overrides", ""); -/* 4003: set granular FPP overrides - * JSON format: e.g."[{\"firstPartyDomain\": \"netflix.com\", \"overrides\": \"-CanvasRandomization,-FrameRate,\"}]" - * [NOTE] Not supported by arkenfox. Either use RFP or FPP at defaults ***/ - // user_pref("privacy.fingerprintingProtection.granularOverrides", ""); -/* 4004: disable remote FPP overrides [FF127+] ***/ - // user_pref("privacy.fingerprintingProtection.remoteOverrides.enabled", false); - -/*** [SECTION 4500]: OPTIONAL RFP (resistFingerprinting) - RFP overrides FPP (4000) - - FF128+ Arkenfox by default uses FPP (automatically enabled with ETP Strict). For most people - this is all you need. To use RFP instead, add RFP (4501) to your overrides, and optionally - add letterboxing (4504), spoof_english (4506), and webgl (4520). - - RFP is an all-or-nothing buy in: you cannot pick and choose what parts you want - - [WARNING] DO NOT USE extensions to alter RFP protected metrics - - 418986 - limit window.screen & CSS media queries (FF41) - 1360039 - spoof navigator.hardwareConcurrency as 2 (FF55) - FF56 - 1333651 - spoof User Agent & Navigator API - JS: spoofed as Windows 10, OS 10.15, Android 10, or Linux - HTTP Header: spoofed as Windows 10 or Android 10.15 until FF136 then matches JS spoof - 1369319 - disable device sensor API - 1369357 - disable site specific zoom - 1337161 - hide gamepads from content - 1372072 - spoof network information API as "unknown" when dom.netinfo.enabled = true - 1333641 - reduce fingerprinting in WebSpeech API - FF57 - 1369309 - spoof media statistics - 1382499 - reduce screen co-ordinate fingerprinting in Touch API - 1217290 & 1409677 - enable some fingerprinting resistance for WebGL - 1354633 - limit MediaError.message to a whitelist - FF58+ - 1372073 - spoof/block fingerprinting in MediaDevices API (FF59) - Spoof: enumerate devices as one "Internal Camera" and one "Internal Microphone" - Block: suppresses the ondevicechange event - 1039069 - warn when language prefs are not set to "en*" (FF59) - 1222285 & 1433592 - spoof keyboard events and suppress keyboard modifier events (FF59) - Spoofing mimics the content language of the document. Currently it only supports en-US. - Modifier events suppressed are SHIFT and both ALT keys. Chrome is not affected. - 1337157 - disable WebGL debug renderer info (FF60) - 1459089 - disable OS locale in HTTP Accept-Language headers (ANDROID) (FF62) - 1479239 - return "no-preference" with prefers-reduced-motion (FF63) - 1363508 & 1826051 - spoof/suppress Pointer Events (FF64, FF132) - 1492766 - spoof pointerEvent.pointerid (FF65) - 1485266 - disable exposure of system colors to CSS or canvas (FF67) - 1494034 - return "light" with prefers-color-scheme (FF67) - 1564422 - spoof audioContext outputLatency (FF70) - 1595823 - return audioContext sampleRate as 44100 (FF72) - 1607316 - spoof pointer as coarse and hover as none (ANDROID) (FF74) - 1621433 - randomize canvas (previously FF58+ returned an all-white canvas) (FF78) - 1506364 - return "no-preference" with prefers-contrast (FF80) - 1653987 - limit font visibility to bundled and "Base Fonts" (Windows, Mac, some Linux) (FF80) - 1461454 - spoof smooth=true and powerEfficient=false for supported media in MediaCapabilities (FF82) - 531915 - use fdlibm's sin, cos and tan in jsmath (FF93, ESR91.1) - 1756280 - enforce navigator.pdfViewerEnabled as true and plugins/mimeTypes as hard-coded values (FF100-115) - 1692609 - reduce JS timing precision to 16.67ms (previously FF55+ was 100ms) (FF102) - 1422237 - return "srgb" with color-gamut (FF110) - 1794628 - return "none" with inverted-colors (FF114) - 1787790 - normalize system fonts (FF128) - 1835987 - spoof timezone as Atlantic/Reykjavik (previously FF55+ was UTC) (FF128) - 1834307 - always use smooth scrolling (FF132) - 1918202 - spoof screen orientation based on spoofed screen size and platform (FF132) - previously it always returned landscape-primary and an angle of 0 (FF50+) - 1390465 - load all subtitles in WebVTT (Video Text Tracks) (FF133) - 1873382 - make spoofed devicePixelRatio and CSS media queries match (FF133) - previously FF41+ devicePixelRatio was hardcoded as 1 and FF127+ as 2 - previously FF41+ CSS media queries were spoofed as zoom level at a devicePixelRatio of 1 -***/ -user_pref("_user.js.parrot", "4500 syntax error: the parrot's popped 'is clogs"); -/* 4501: enable RFP - * [NOTE] pbmode applies if true and the original pref is false - * [SETUP-WEB] RFP can cause some website breakage: mainly canvas, use a canvas site exception via the urlbar. - * RFP also has a few side effects: mainly that timezone is GMT, and websites will prefer light theme ***/ - // user_pref("privacy.resistFingerprinting", true); // [FF41+] - // user_pref("privacy.resistFingerprinting.pbmode", true); // [FF114+] -/* 4502: set RFP new window size max rounded values [FF55+] - * [SETUP-CHROME] sizes round down in hundreds: width to 200s and height to 100s, to fit your screen - * [1] https://bugzilla.mozilla.org/1330882 ***/ -user_pref("privacy.window.maxInnerWidth", 1600); -user_pref("privacy.window.maxInnerHeight", 900); -/* 4503: disable mozAddonManager Web API [FF57+] - * [NOTE] To allow extensions to work on AMO, you also need 2662 - * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/ -user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); -/* 4504: enable letterboxing [FF67+] - * Dynamically resizes the inner window by applying margins in stepped ranges [2] - * If you use the dimension pref, then it will only apply those resolutions. - * The format is "width1xheight1, width2xheight2, ..." (e.g. "800x600, 1000x1000") - * [SETUP-WEB] This is independent of RFP (4501). If you're not using RFP, or you are but - * dislike the margins, then flip this pref, keeping in mind that it is effectively fingerprintable - * [WARNING] DO NOT USE: the dimension pref is only meant for testing - * [1] https://bugzilla.mozilla.org/1407366 - * [2] https://hg.mozilla.org/mozilla-central/rev/7211cb4f58ff#l5.13 ***/ - // user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF] - // user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF] -/* 4505: disable RFP by domain [FF91+] - * [NOTE] Working examples: "arkenfox.github.io", "*github.io" - * Non-working examples: "https://arkenfox.github.io", "github.io", "*arkenfox.github.io" ***/ - // user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid"); -/* 4506: disable RFP spoof english prompt [FF59+] - * 0=prompt, 1=disabled, 2=enabled - * [NOTE] When changing from value 2, preferred languages ('intl.accept_languages') is not reset. - * [SETUP-WEB] when enabled, sets 'en-US, en' for displaying pages and 'en-US' as locale. - * [SETTING] General>Language>Choose your preferred language for displaying pages>Choose>Request English... ***/ -user_pref("privacy.spoof_english", 1); -/* 4510: disable using system colors - * [SETTING] General>Language and Appearance>Fonts and Colors>Colors>Use system colors ***/ -user_pref("browser.display.use_system_colors", false); // [DEFAULT: false NON-WINDOWS] -/* 4511: disable using system accent colors ***/ -user_pref("widget.non-native-theme.use-theme-accent", false); // [DEFAULT: false WINDOWS] -/* 4512: enforce links targeting new windows to open in a new tab instead - * 1=most recent window or tab, 2=new window, 3=new tab - * Stops malicious window sizes and some screen resolution leaks. - * You can still right-click a link and open in a new window - * [SETTING] General>Tabs>Open links in tabs instead of new windows - * [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/9881 ***/ -user_pref("browser.link.open_newwindow", 3); // [DEFAULT: 3] -/* 4513: set all open window methods to abide by "browser.link.open_newwindow" (4512) - * [1] https://searchfox.org/mozilla-central/source/dom/tests/browser/browser_test_new_window_from_content.js ***/ -user_pref("browser.link.open_newwindow.restriction", 0); -/* 4520: disable WebGL (Web Graphics Library) ***/ - // user_pref("webgl.disabled", true); - -/*** [SECTION 5000]: OPTIONAL OPSEC - Disk avoidance, application data isolation, eyeballs... -***/ -user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow"); -/* 5001: start Firefox in PB (Private Browsing) mode - * [NOTE] In this mode all windows are "private windows" and the PB mode icon is not displayed - * [NOTE] The P in PB mode can be misleading: it means no "persistent" disk state such as history, - * caches, searches, cookies, localStorage, IndexedDB etc (which you can achieve in normal mode). - * In fact, PB mode limits or removes the ability to control some of these, and you need to quit - * Firefox to clear them. PB is best used as a one off window (Menu>New Private Window) to provide - * a temporary self-contained new session. Close all private windows to clear the PB session. - * [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); -/* 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); -/* 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); -/* 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] -/* 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); -/* 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); -/* 5007: exclude "Undo Closed Tabs" in Session Restore ***/ - // 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); -/* 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); -/* 5010: disable location bar suggestion types - * [SETTING] Search>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+] -/* 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); -/* 5012: disable location bar autofill - * [1] https://support.mozilla.org/kb/address-bar-autocomplete-firefox#w_url-autocomplete ***/ - // 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); -/* 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); -/* 5016: discourage downloading to desktop - * 0=desktop, 1=downloads (default), 2=custom - * [SETTING] To set your custom default "downloads": General>Downloads>Save files to ***/ - // user_pref("browser.download.folderList", 2); -/* 5017: disable Form Autofill - * If .supportedCountries includes your region (browser.search.region) and .supported - * is "detect" (default), then the UI will show. Stored data is not secure, uses JSON - * [SETTING] Privacy & Security>Forms and Autofill>Autofill addresses - * [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/ - // user_pref("extensions.formautofill.addresses.enabled", false); // [FF55+] - // user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+] -/* 5018: limit events that can cause a pop-up ***/ - // user_pref("dom.popup_allowed_events", "click dblclick mousedown pointerdown"); -/* 5019: disable page thumbnail collection ***/ - // user_pref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF] -/* 5020: disable Windows native notifications and use app notications instead [FF111+] [WINDOWS] ***/ - // user_pref("alerts.useSystemBackend.windows.notificationserver.enabled", false); -/* 5021: disable location bar using search - * Don't leak URL typos to a search engine, give an error message instead - * Examples: "secretplace,com", "secretplace/com", "secretplace com", "secret place.com" - * [NOTE] This does not affect explicit user action such as using search buttons in the - * dropdown, or using keyword search shortcuts you configure in options (e.g. "d" for DuckDuckGo) ***/ - // user_pref("keyword.enabled", false); - -/*** [SECTION 5500]: OPTIONAL HARDENING - Not recommended. Overriding these can cause breakage and performance issues, - they are mostly fingerprintable, and the threat model is practically nonexistent -***/ -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 -/* 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 -/* 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); -/* 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); -/* 5505: disable Ion and baseline JIT to harden against JS exploits [RESTART] - * [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] -/* 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 - * certain attacks (brute-force) and vulnerabilities more possible - * [STATS] ~0.2% of websites, about half of which are for cryptomining / malvertising [2][3] - * [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); -/* 5507: disable rendering of SVG OpenType fonts ***/ - // user_pref("gfx.font_rendering.opentype_svg.enabled", false); -/* 5508: disable all DRM content (EME: Encryption Media Extension) - * Optionally hide the UI setting which also disables the DRM prompt - * [SETTING] General>DRM Content>Play DRM-controlled content - * [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); -/* 5509: disable IPv6 if using a VPN - * This is an application level fallback. Disabling IPv6 is best done at an OS/network - * level, and/or configured properly in system wide VPN setups. - * [NOTE] PHP defaults to IPv6 with "localhost". Use "php -S 127.0.0.1:PORT" - * [SETUP-WEB] PR_CONNECT_RESET_ERROR - * [TEST] https://ipleak.org/ - * [1] https://www.internetsociety.org/tag/ipv6-security/ (Myths 2,4,5,6) ***/ - // user_pref("network.dns.disableIPv6", true); -/* 5510: control when to send a cross-origin referer - * 0=always (default), 1=only if base domains match, 2=only if hosts match - * [NOTE] Will cause breakage: older modems/routers and some sites e.g banks, vimeo, icloud, instagram ***/ - // user_pref("network.http.referer.XOriginPolicy", 2); -/* 5511: set DoH bootstrap address [FF89+] - * Firefox uses the system DNS to initially resolve the IP address of your DoH server. - * When set to a valid, working value that matches your "network.trr.uri" (0712) Firefox - * won't use the system DNS. If the IP doesn't match then DoH won't work ***/ - // user_pref("network.trr.bootstrapAddr", "10.0.0.1"); // [HIDDEN PREF] - -/*** [SECTION 6000]: DON'T TOUCH ***/ -user_pref("_user.js.parrot", "6000 syntax error: the parrot's 'istory!"); -/* 6001: enforce Firefox blocklist - * [WHY] It includes updates for "revoked certificates" - * [1] https://blog.mozilla.org/security/2015/03/03/revoking-intermediate-certificates-introducing-onecrl/ ***/ -user_pref("extensions.blocklist.enabled", true); // [DEFAULT: true] -/* 6002: enforce no referer spoofing - * [WHY] Spoofing can affect CSRF (Cross-Site Request Forgery) protections ***/ -user_pref("network.http.referer.spoofSource", false); // [DEFAULT: false] -/* 6004: enforce a security delay on some confirmation dialogs such as install, open/save - * [1] https://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/ ***/ -user_pref("security.dialog_enable_delay", 1000); // [DEFAULT: 1000] -/* 6008: enforce no First Party Isolation [FF51+] - * [WARNING] Replaced with network partitioning (FF85+) and TCP (2701), and enabling FPI - * disables those. FPI is no longer maintained except at Tor Project for Tor Browser's config ***/ -user_pref("privacy.firstparty.isolate", false); // [DEFAULT: false] -/* 6009: enforce SmartBlock shims (about:compat) [FF81+] - * [1] https://blog.mozilla.org/security/2021/03/23/introducing-smartblock/ ***/ -user_pref("extensions.webcompat.enable_shims", true); // [HIDDEN PREF] [DEFAULT: true] -/* 6010: enforce no TLS 1.0/1.1 downgrades - * [TEST] https://tls-v1-1.badssl.com:1010/ ***/ -user_pref("security.tls.version.enable-deprecated", false); // [DEFAULT: false] -/* 6011: enforce disabling of Web Compatibility Reporter [FF56+] - * Web Compatibility Reporter adds a "Report Site Issue" button to send data to Mozilla - * [WHY] To prevent wasting Mozilla's time with a custom setup ***/ -user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false] -/* 6012: enforce Quarantined Domains [FF115+] - * [WHY] https://support.mozilla.org/kb/quarantined-domains */ -user_pref("extensions.quarantinedDomains.enabled", true); // [DEFAULT: true] -/* 6050: prefsCleaner: reset previously active items removed from arkenfox FF128+ ***/ - // user_pref("privacy.clearOnShutdown.cache", ""); - // user_pref("privacy.clearOnShutdown.cookies", ""); - // user_pref("privacy.clearOnShutdown.downloads", ""); - // user_pref("privacy.clearOnShutdown.formdata", ""); - // user_pref("privacy.clearOnShutdown.history", ""); - // user_pref("privacy.clearOnShutdown.offlineApps", ""); - // user_pref("privacy.clearOnShutdown.sessions", ""); - // user_pref("privacy.cpd.cache", ""); - // user_pref("privacy.cpd.cookies", ""); - // user_pref("privacy.cpd.formdata", ""); - // user_pref("privacy.cpd.history", ""); - // user_pref("privacy.cpd.offlineApps", ""); - // user_pref("privacy.cpd.sessions", ""); - -/*** [SECTION 7000]: DON'T BOTHER ***/ -user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies!"); -/* 7001: disable APIs - * Location-Aware Browsing, Full Screen - * [WHY] The API state is easily fingerprintable. - * Geo is behind a prompt (7002). Full screen requires user interaction ***/ - // user_pref("geo.enabled", false); - // user_pref("full-screen-api.enabled", false); -/* 7002: set default permissions - * Location, Camera, Microphone, Notifications [FF58+] Virtual Reality [FF73+] - * 0=always ask (default), 1=allow, 2=block - * [WHY] These are fingerprintable via Permissions API, except VR. Just add site - * 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 -/* 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_128_sha", false); - // user_pref("security.ssl3.ecdhe_ecdsa_aes_256_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); -/* 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); -/* 7007: referers - * [WHY] Only cross-origin referers (1602, 5510) matter ***/ - // 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] -/* 7010: disable HTTP Alternative Services [FF37+] - * [WHY] Already isolated with network partitioning (FF85+) ***/ - // user_pref("network.http.altsvc.enabled", false); -/* 7011: disable website control over browser right-click context menu - * [WHY] Just use Shift-Right-Click ***/ - // 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); -/* 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); -/* 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+] -/* 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); -/* 7016: customize ETP settings - * [NOTE] FPP (fingerprintingProtection) is ignored when RFP (4501) is enabled - * [WHY] Arkenfox only supports strict (2701) which sets these at runtime ***/ - // user_pref("network.cookie.cookieBehavior", 5); // [DEFAULT: 5] - // user_pref("network.cookie.cookieBehavior.optInPartitioning", true); // [ETP FF132+] - // user_pref("network.http.referer.disallowCrossSiteRelaxingDefault", true); - // user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // [FF100+] - // user_pref("privacy.bounceTrackingProtection.mode", 1); // [FF131+] [ETP FF133+] - // user_pref("privacy.fingerprintingProtection", true); // [FF114+] [ETP FF119+] - // user_pref("privacy.partition.network_state.ocsp_cache", true); // [DEFAULT: true] - // user_pref("privacy.query_stripping.enabled", true); // [FF101+] - // 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 with TCP (2701) behind a pref (2710) ***/ - // user_pref("dom.serviceWorkers.enabled", false); -/* 7018: disable Web Notifications [FF22+] - * [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); -/* 7019: disable Push Notifications [FF44+] - * [WHY] Website "push" requires subscription, and the API is required for CRLite (1224) - * [NOTE] To remove all subscriptions, reset "dom.push.userAgentID" - * [1] https://support.mozilla.org/kb/push-notifications-firefox ***/ - // user_pref("dom.push.enabled", false); -/* 7020: disable WebRTC (Web Real-Time Communication) - * [WHY] Firefox desktop uses mDNS hostname obfuscation and the private IP is never exposed until - * required in TRUSTED scenarios; i.e. after you grant device (microphone or camera) access - * [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); -/* 7021: enable GPC (Global Privacy Control) in non-PB windows - * [WHY] Passive and active fingerprinting. Mostly redundant with Tracking Protection - * in ETP Strict (2701) and sanitizing on close (2800s) ***/ - // user_pref("privacy.globalprivacycontrol.enabled", true); - -/*** [SECTION 8000]: DON'T BOTHER: FINGERPRINTING - [WHY] They are insufficient to help anti-fingerprinting and do more harm than good - [WARNING] DO NOT USE with RFP. RFP already covers these and they can interfere -***/ -user_pref("_user.js.parrot", "8000 syntax error: the parrot's crossed the Jordan"); -/* 8001: prefsCleaner: reset items useless for anti-fingerprinting ***/ - // user_pref("browser.display.use_document_fonts", ""); - // user_pref("browser.zoom.siteSpecific", ""); - // user_pref("device.sensors.enabled", ""); - // user_pref("dom.enable_performance", ""); - // user_pref("dom.enable_resource_timing", ""); - // user_pref("dom.gamepad.enabled", ""); - // user_pref("dom.maxHardwareConcurrency", ""); - // user_pref("dom.w3c_touch_events.enabled", ""); - // user_pref("dom.webaudio.enabled", ""); - // user_pref("font.system.whitelist", ""); - // user_pref("general.appname.override", ""); - // user_pref("general.appversion.override", ""); - // user_pref("general.buildID.override", ""); - // user_pref("general.oscpu.override", ""); - // user_pref("general.platform.override", ""); - // user_pref("general.useragent.override", ""); - // user_pref("media.navigator.enabled", ""); - // user_pref("media.ondevicechange.enabled", ""); - // user_pref("media.video_stats.enabled", ""); - // user_pref("media.webspeech.synth.enabled", ""); - // user_pref("ui.use_standins_for_native_colors", ""); - // user_pref("webgl.enable-debug-renderer-info", ""); - -/*** [SECTION 8500]: TELEMETRY - Arkenfox does not consider Firefox telemetry to be a privacy or security concern - comments below. - But since most arkenfox users prefer it disabled, we'll do that rather than cause overrides. - - Opt-out - - Telemetry is essential: a browser engine is a _very_ large complex beast costing billions to maintain - - Opt-in telemetry _does not_ work and results in data that is unrepresentative and may be misleading - Choice - - Every new profile on first use provides data collection/use policy and the abillty to opt-out - - It can be disabled at any time (Settings>Privacy & Security>Data Collection and Use) - Data - - no PII (Personally Identifiable Information) - - can be viewed in about:telemetry - - uses Prio [1][2][3], Glean [4], Oblivious HTTP [5][6] - - [1] https://crypto.stanford.edu/prio/ - [2] https://hacks.mozilla.org/2018/10/testing-privacy-preserving-telemetry-with-prio/ - [3] https://blog.mozilla.org/security/2019/06/06/next-steps-in-privacy-preserving-telemetry-with-prio/ - [4] https://firefox-source-docs.mozilla.org/toolkit/components/glean/index.html - [5] https://firefox-source-docs.mozilla.org/toolkit/components/glean/user/ohttp.html - [6] https://blog.mozilla.org/en/tag/oblivious-http/ -***/ -user_pref("_user.js.parrot", "8500 syntax error: the parrot's off the twig!"); -/* 8500: disable new data submission [FF41+] - * If disabled, no policy is shown or upload takes place, ever - * [1] https://bugzilla.mozilla.org/1195552 ***/ -user_pref("datareporting.policy.dataSubmissionEnabled", false); -/* 8501: disable Health Reports - * [SETTING] Privacy & Security>Firefox Data Collection and Use>Send technical... data ***/ -user_pref("datareporting.healthreport.uploadEnabled", false); -/* 0802: disable telemetry - * The "unified" pref affects the behavior of the "enabled" pref - * - If "unified" is false then "enabled" controls the telemetry module - * - If "unified" is true then "enabled" only controls whether to record extended data - * [NOTE] "toolkit.telemetry.enabled" is now LOCKED to reflect prerelease (true) or release builds (false) [2] - * [1] https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/telemetry/internals/preferences.html - * [2] https://medium.com/georg-fritzsche/data-preference-changes-in-firefox-58-2d5df9c428b5 ***/ -user_pref("toolkit.telemetry.unified", false); -user_pref("toolkit.telemetry.enabled", false); // see [NOTE] -user_pref("toolkit.telemetry.server", "data:,"); -user_pref("toolkit.telemetry.archive.enabled", false); -user_pref("toolkit.telemetry.newProfilePing.enabled", false); // [FF55+] -user_pref("toolkit.telemetry.shutdownPingSender.enabled", false); // [FF55+] -user_pref("toolkit.telemetry.updatePing.enabled", false); // [FF56+] -user_pref("toolkit.telemetry.bhrPing.enabled", false); // [FF57+] Background Hang Reporter -user_pref("toolkit.telemetry.firstShutdownPing.enabled", false); // [FF57+] -/* 8503: disable Telemetry Coverage - * [1] https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/ ***/ -user_pref("toolkit.telemetry.coverage.opt-out", true); // [HIDDEN PREF] -user_pref("toolkit.coverage.opt-out", true); // [FF64+] [HIDDEN PREF] -user_pref("toolkit.coverage.endpoint.base", ""); - -/*** [SECTION 9000]: NON-PROJECT RELATED ***/ -user_pref("_user.js.parrot", "9000 syntax error: the parrot's cashed in 'is chips!"); -/* 9001: disable welcome notices ***/ -user_pref("browser.startup.homepage_override.mstone", "ignore"); // [HIDDEN PREF] -/* 9002: disable General>Browsing>Recommend extensions/features as you browse [FF67+] ***/ -user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false); -user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false); -/* 9004: disable search terms [FF110+] - * [SETTING] Search>Search Bar>Use the address bar for search and navigation>Show search terms instead of URL... ***/ -user_pref("browser.urlbar.showSearchTerms.enabled", false); - -/*** [SECTION 9999]: DEPRECATED / RENAMED ***/ -user_pref("_user.js.parrot", "9999 syntax error: the parrot's shuffled off 'is mortal coil!"); -/* ESR128.x still uses all the following prefs -// [NOTE] replace the * with a slash in the line above to re-enable active ones -// FF132 -/* 2617: remove webchannel whitelist - // [-] https://bugzilla.mozilla.org/1275612 - // user_pref("webchannel.allowObject.urlWhitelist", ""); -// ***/ - -/* 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'!"); diff --git a/Firefox-Config/custom.js b/Firefox-Config/custom.js index 9441087..c26ca0a 100644 --- a/Firefox-Config/custom.js +++ b/Firefox-Config/custom.js @@ -1,5 +1,3 @@ -DISABLE IPv6 - /** SPECULATIVE LOADING ***/ user_pref("browser.send_pings", false); // [DEFAULT: false] @@ -56,6 +54,19 @@ user_pref("browser.newtabpage.activity-stream.feeds.topsites", true); // PREF: enable container tabs user_pref("privacy.userContext.enabled", true); +// Search bar +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); + +// Autofill +user_pref("extensions.formautofill.addresses.enabled", false); // [FF55+] +user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+] + +/* 5018: limit events that can cause a pop-up ***/ +user_pref("dom.popup_allowed_events", "click dblclick mousedown pointerdown"); + /**************************************************************************** /**************************************************************************** @@ -81,7 +92,8 @@ user_pref("network.captive-portal-service.enabled", false); user_pref("network.connectivity-service.enabled", false); // PREF: set DoH provider -user_pref("network.trr.uri", "https://family.dns.mullvad.net/dns-query"); // Hagezi Light + TIF +user_pref("network.trr.uri", "https://family.dns.mullvad.net/dns-query"); +user_pref("network.trr.custom_uri", "https://family.dns.mullvad.net/dns-query"); // PREF: enforce DNS-over-HTTPS (DoH) user_pref("network.trr.mode", 3); @@ -113,6 +125,7 @@ user_pref("dom.security.https_only_mode_pbm", true); // [FF80+] // PREF: delete all browsing data on shutdown user_pref("privacy.sanitize.sanitizeOnShutdown", true); user_pref("privacy.clearOnShutdown_v2.cache", true); +user_pref("privacy.clearOnShutdown_v2.formdata", true); // PREF: after crashes or restarts, do not save extra session data // such as form content, scrollbar positions, and POST data @@ -132,6 +145,99 @@ user_pref("privacy.userContext.ui.enabled", true); // Prevent scripts from moving and resizing open windows user_pref("dom.disable_window_move_resize", true); +// Disable UI Tour +user_pref("browser.uitour.url", ""); // Defense-in-depth + +// Disable remote debugging +user_pref("devtools.debugger.remote-enabled", false); // [DEFAULT: false] + +/** 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); +**/ + +// PDFJS +user_pref("pdfjs.disabled", false); // [DEFAULT: false] +user_pref("pdfjs.enableScripting", false); // [FF86+] + +// DLP Agents Content Analysis +user_pref("browser.contentanalysis.enabled", false); // [FF121+] [DEFAULT: false] +user_pref("browser.contentanalysis.default_result", 0); // [FF127+] [DEFAULT: 0] + +// Downloads +user_pref("browser.download.always_ask_before_handling_new_types", true); + +// Fingerprint Protection +user_pref("privacy.fingerprintingProtection.pbmode", true); +user_pref("privacy.fingerprintingProtection.remoteOverrides.enabled", false); + +// Disable WebGL (Web Graphics Library) +// user_pref("webgl.disabled", true); + +// Disable IPv6 +user_pref("network.dns.disableIPv6", true); + +// Enfore Firefox blocklist +user_pref("extensions.blocklist.enabled", true); // [DEFAULT: true] + +// Enfore no referer spoofing +user_pref("network.http.referer.spoofSource", false); // [DEFAULT: false] + +// Security delay on confirmation dialogues +user_pref("security.dialog_enable_delay", 1000); // [DEFAULT: 1000] + +// Enfore no First Party Isolation +user_pref("privacy.firstparty.isolate", false); // [DEFAULT: false] + +// Enfore SmartBlock shims +user_pref("extensions.webcompat.enable_shims", true); // [HIDDEN PREF] [DEFAULT: true] + +// Enforce no TLS 1.0/1.1 downgrades +user_pref("security.tls.version.enable-deprecated", false); // [DEFAULT: false] + +// Enforce disabling of Web Compatibility Reporter [FF56+] +user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false] + +// Enforce Quarantined Domains [FF115+] +user_pref("extensions.quarantinedDomains.enabled", true); // [DEFAULT: true] + +/* 7001: disable APIs + * Location-Aware Browsing, Full Screen + * [WHY] The API state is easily fingerprintable. + * Geo is behind a prompt (7002). Full screen requires user interaction ***/ +user_pref("geo.enabled", false); +user_pref("full-screen-api.enabled", false); + +// DO NOT TRACK HTTP Header +user_pref("privacy.donottrackheader.enabled", true); + +// Customize Enhanced Tracking Protection (ETP) +user_pref("network.cookie.cookieBehavior", 5); // [DEFAULT: 5] +user_pref("network.cookie.cookieBehavior.optInPartitioning", true); // [ETP FF132+] +user_pref("network.http.referer.disallowCrossSiteRelaxingDefault", true); +user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // [FF100+] +user_pref("privacy.bounceTrackingProtection.mode", 1); // [FF131+] [ETP FF133+] +user_pref("privacy.fingerprintingProtection", true); // [FF114+] [ETP FF119+] +user_pref("privacy.partition.network_state.ocsp_cache", true); // [DEFAULT: true] +user_pref("privacy.query_stripping.enabled", true); // [FF101+] +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] + +// Disable WebRTC +user_pref("media.peerconnection.enabled", false); + +// Enable GPC (Global Privacy Control) in non-PB windows +user_pref("privacy.globalprivacycontrol.enabled", true); + +/*** [SECTION 0700]: DNS / DoH / PROXY / SOCKS ***/ +user_pref("network.proxy.socks_remote_dns", true); + +/*** [SECTION 1200]: HTTPS (SSL/TLS / OCSP / CERTS / HPKP) +user_pref("security.ssl.require_safe_negotiation", true); + /**************************************************************************** * BEGINNING OF ARKEN FOX *