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@ -1,7 +1,7 @@
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/******
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* name: arkenfox user.js
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* date: 7 February 2023
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* version: 109
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* date: 27 August 2023
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* version: 115
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* url: https://github.com/arkenfox/user.js
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* license: MIT: https://github.com/arkenfox/user.js/blob/master/LICENSE.txt
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@ -18,7 +18,6 @@
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* Some site breakage and unintended consequences will happen. Everyone's experience will differ
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e.g. some user data is erased on exit (section 2800), change this to suit your needs
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* While not 100% definitive, search for "[SETUP" tags
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e.g. third party images/videos not loading on some sites? check 1601
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5. Some tag info
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[SETUP-SECURITY] it's one item, read it
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[SETUP-WEB] can cause some websites to break
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@ -42,13 +41,13 @@
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0300: QUIETER FOX
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0400: SAFE BROWSING
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0600: BLOCK IMPLICIT OUTBOUND
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0700: DNS / DoH / PROXY / SOCKS / IPv6
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0700: DNS / DoH / PROXY / SOCKS
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0800: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS
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0900: PASSWORDS
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1000: DISK AVOIDANCE
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1200: HTTPS (SSL/TLS / OCSP / CERTS / HPKP)
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1400: FONTS
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1600: HEADERS / REFERERS
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1600: REFERERS
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1700: CONTAINERS
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2000: PLUGINS / MEDIA / WEBRTC
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2400: DOM (DOCUMENT OBJECT MODEL)
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@ -116,7 +115,6 @@ user_pref("geo.provider.use_geoclue", false); // [FF102+] [LINUX]
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user_pref("intl.accept_languages", "en-US, en");
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/* 0211: use en-US locale regardless of the system or region locale
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* [SETUP-WEB] May break some input methods e.g xim/ibus for CJK languages [1]
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* [TEST] https://arkenfox.github.io/TZP/tests/formatting.html
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* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=867501,1629630 ***/
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user_pref("javascript.use_us_english_locale", true); // [HIDDEN PREF]
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@ -256,20 +254,8 @@ user_pref("browser.places.speculativeConnect.enabled", false);
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* [1] https://www.bleepingcomputer.com/news/software/major-browsers-to-prevent-disabling-of-click-tracking-privacy-risk/ ***/
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// user_pref("browser.send_pings", false); // [DEFAULT: false]
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/*** [SECTION 0700]: DNS / DoH / PROXY / SOCKS / IPv6 ***/
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/*** [SECTION 0700]: DNS / DoH / PROXY / SOCKS ***/
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user_pref("_user.js.parrot", "0700 syntax error: the parrot's given up the ghost!");
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/* 0701: disable IPv6
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* IPv6 can be abused, especially with MAC addresses, and can leak with VPNs: assuming
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* your ISP and/or router and/or website is IPv6 capable. Most sites will fall back to IPv4
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* [SETUP-WEB] PR_CONNECT_RESET_ERROR: this pref *might* be the cause
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* [STATS] Firefox telemetry (Sept 2022) shows ~8% of successful connections are IPv6
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* [NOTE] This is an application level fallback. Disabling IPv6 is best done at an
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* OS/network level, and/or configured properly in VPN setups. If you are not masking your IP,
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* then this won't make much difference. If you are masking your IP, then it can only help.
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* [NOTE] PHP defaults to IPv6 with "localhost". Use "php -S 127.0.0.1:PORT"
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* [TEST] https://ipleak.org/
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* [1] https://www.internetsociety.org/tag/ipv6-security/ (Myths 2,4,5,6) ***/
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user_pref("network.dns.disableIPv6", true);
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/* 0702: set the proxy server to do any DNS lookups when using SOCKS
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* e.g. in Tor, this stops your local DNS server from knowing your Tor destination
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* as a remote Tor node will handle the DNS request
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@ -296,10 +282,11 @@ user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
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* [WARNING] If false, this will break the fallback for some security features
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* [SETUP-CHROME] If you use a proxy and you understand the security impact
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* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1732792,1733994,1733481 ***/
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// user_pref("network.proxy.allow_bypass", false); // [HIDDEN PREF FF95-96]
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// user_pref("network.proxy.allow_bypass", false);
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/* 0710: disable DNS-over-HTTPS (DoH) rollout [FF60+]
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* 0=off by default, 2=TRR (Trusted Recursive Resolver) first, 3=TRR only, 5=explicitly off
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* 0=default, 2=increased (TRR (Trusted Recursive Resolver) first), 3=max (TRR only), 5=off
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* see "doh-rollout.home-region": USA 2019, Canada 2021, Russia/Ukraine 2022 [3]
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* [SETTING] Privacy & Security>DNS over HTTPS
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* [1] https://hacks.mozilla.org/2018/05/a-cartoon-intro-to-dns-over-https/
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* [2] https://wiki.mozilla.org/Security/DOH-resolver-policy
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* [3] https://support.mozilla.org/en-US/kb/firefox-dns-over-https
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@ -308,13 +295,6 @@ user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
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/*** [SECTION 0800]: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS ***/
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user_pref("_user.js.parrot", "0800 syntax error: the parrot's ceased to be!");
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/* 0801: disable location bar using search
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* Don't leak URL typos to a search engine, give an error message instead
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* Examples: "secretplace,com", "secretplace/com", "secretplace com", "secret place.com"
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* [NOTE] This does not affect explicit user action such as using search buttons in the
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* dropdown, or using keyword search shortcuts you configure in options (e.g. "d" for DuckDuckGo)
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* [SETUP-CHROME] Override this if you trust and use a privacy respecting search engine ***/
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user_pref("keyword.enabled", false);
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/* 0802: disable location bar domain guessing
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* domain guessing intercepts DNS "hostname not found errors" and resends a
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* request (e.g. by adding www or .com). This is inconsistent use (e.g. FQDNs), does not work
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@ -426,7 +406,7 @@ user_pref("_user.js.parrot", "1200 syntax error: the parrot's a stiff!");
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* but the problem is that the browser can't know that. Setting this pref to true is the only way for the
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* browser to ensure there will be no unsafe renegotiations on the channel between the browser and the server
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* [SETUP-WEB] SSL_ERROR_UNSAFE_NEGOTIATION: is it worth overriding this for that one site?
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* [STATS] SSL Labs (Sept 2022) reports over 99.3% of top sites have secure renegotiation [4]
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* [STATS] SSL Labs (Feb 2023) reports over 99.3% of top sites have secure renegotiation [4]
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* [1] https://wiki.mozilla.org/Security:Renegotiation
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* [2] https://datatracker.ietf.org/doc/html/rfc5746
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* [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
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@ -491,7 +471,7 @@ user_pref("security.pki.crlite_mode", 2);
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* [SETTING] to add site exceptions: Padlock>HTTPS-Only mode>On (after "Continue to HTTP Site")
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* [SETTING] Privacy & Security>HTTPS-Only Mode (and manage exceptions)
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* [TEST] http://example.com [upgrade]
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* [TEST] http://httpforever.com/ [no upgrade] ***/
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* [TEST] http://httpforever.com/ | http://http.rip [no upgrade] ***/
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user_pref("dom.security.https_only_mode", true); // [FF76+]
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// user_pref("dom.security.https_only_mode_pbm", true); // [FF80+]
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/* 1245: enable HTTPS-Only mode for local resources [FF77+] ***/
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@ -527,18 +507,13 @@ user_pref("_user.js.parrot", "1400 syntax error: the parrot's bereft of life!");
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// user_pref("layout.css.font-visibility.standard", 1);
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// user_pref("layout.css.font-visibility.trackingprotection", 1);
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/*** [SECTION 1600]: HEADERS / REFERERS
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/*** [SECTION 1600]: REFERERS
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full URI: https://example.com:8888/foo/bar.html?id=1234
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scheme+host+port+path: https://example.com:8888/foo/bar.html
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scheme+host+port: https://example.com:8888
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[1] https://feeding.cloud.geek.nz/posts/tweaking-referrer-for-privacy-in-firefox/
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***/
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user_pref("_user.js.parrot", "1600 syntax error: the parrot rests in peace!");
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/* 1601: control when to send a cross-origin referer
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* 0=always (default), 1=only if base domains match, 2=only if hosts match
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* [SETUP-WEB] Breakage: older modems/routers and some sites e.g banks, vimeo, icloud, instagram
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* If "2" is too strict, then override to "0" and use Smart Referer extension (Strict mode + add exceptions) ***/
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user_pref("network.http.referer.XOriginPolicy", 2);
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/* 1602: control the amount of cross-origin information to send [FF52+]
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* 0=send full URI (default), 1=scheme+host+port+path, 2=scheme+host+port ***/
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user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
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@ -557,13 +532,6 @@ user_pref("privacy.userContext.ui.enabled", true);
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/*** [SECTION 2000]: PLUGINS / MEDIA / WEBRTC ***/
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user_pref("_user.js.parrot", "2000 syntax error: the parrot's snuffed it!");
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/* 2001: disable WebRTC (Web Real-Time Communication)
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* Firefox desktop uses mDNS hostname obfuscation and the private IP is never exposed until
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* required in TRUSTED scenarios; i.e. after you grant device (microphone or camera) access
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* [TEST] https://browserleaks.com/webrtc
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* [1] https://groups.google.com/g/discuss-webrtc/c/6stQXi72BEU/m/2FwZd24UAQAJ
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* [2] https://datatracker.ietf.org/doc/html/draft-ietf-mmusic-mdns-ice-candidates#section-3.1.1 ***/
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// user_pref("media.peerconnection.enabled", false);
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/* 2002: force WebRTC inside the proxy [FF70+] ***/
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user_pref("media.peerconnection.ice.proxy_only_if_behind_proxy", true);
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/* 2003: force a single network interface for ICE candidates generation [FF42+]
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@ -578,17 +546,6 @@ user_pref("media.peerconnection.ice.default_address_only", true);
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/* 2020: disable GMP (Gecko Media Plugins)
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* [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/
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// user_pref("media.gmp-provider.enabled", false);
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/* 2021: disable widevine CDM (Content Decryption Module)
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* [NOTE] This is covered by the EME master switch (2022) ***/
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// user_pref("media.gmp-widevinecdm.enabled", false);
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/* 2022: disable all DRM content (EME: Encryption Media Extension)
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* Optionally hide the setting which also disables the DRM prompt
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* [SETUP-WEB] e.g. Netflix, Amazon Prime, Hulu, HBO, Disney+, Showtime, Starz, DirectTV
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* [SETTING] General>DRM Content>Play DRM-controlled content
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* [TEST] https://bitmovin.com/demos/drm
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* [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 ***/
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user_pref("media.eme.enabled", false);
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// user_pref("browser.eme.ui.enabled", false);
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/*** [SECTION 2400]: DOM (DOCUMENT OBJECT MODEL) ***/
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user_pref("_user.js.parrot", "2400 syntax error: the parrot's kicked the bucket!");
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@ -609,9 +566,6 @@ user_pref("browser.uitour.enabled", false);
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/* 2608: reset remote debugging to disabled
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* [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/16222 ***/
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user_pref("devtools.debugger.remote-enabled", false); // [DEFAULT: false]
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/* 2611: disable middle mouse click opening links from clipboard
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* [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/10089 ***/
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user_pref("middlemouse.contentLoadURL", false);
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/* 2615: disable websites overriding Firefox's keyboard shortcuts [FF58+]
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* 0 (default) or 1=allow, 2=block
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* [SETTING] to add site exceptions: Ctrl+I>Permissions>Override Keyboard Shortcuts ***/
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@ -641,14 +595,14 @@ user_pref("network.IDN_show_punycode", true);
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* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=pdf.js+firefox ***/
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user_pref("pdfjs.disabled", false); // [DEFAULT: false]
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user_pref("pdfjs.enableScripting", false); // [FF86+]
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/* 2621: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS] ***/
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user_pref("network.protocol-handler.external.ms-windows-store", false);
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/* 2623: disable permissions delegation [FF73+]
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* Currently applies to cross-origin geolocation, camera, mic and screen-sharing
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* permissions, and fullscreen requests. Disabling delegation means any prompts
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* for these will show/use their correct 3rd party origin
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* [1] https://groups.google.com/forum/#!topic/mozilla.dev.platform/BdFOMAuCGW8/discussion ***/
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user_pref("permissions.delegation.enabled", false);
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/* 2624: disable middle click on new tab button opening URLs or searches using clipboard [FF115+] */
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user_pref("browser.tabs.searchclipboardfor.middleclick", false); // [DEFAULT: false NON-LINUX]
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/** DOWNLOADS ***/
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/* 2651: enable user interaction for security by always asking where to download
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@ -734,10 +688,6 @@ user_pref("privacy.clearOnShutdown.sessions", true); // [DEFAULT: true]
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* [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Settings ***/
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user_pref("privacy.clearOnShutdown.cookies", true); // Cookies
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user_pref("privacy.clearOnShutdown.offlineApps", true); // Site Data
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/* 2816: set cache to clear on exit [FF96+]
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* [NOTE] We already disable disk cache (1001) and clear on exit (2811) which is more robust
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* [1] https://bugzilla.mozilla.org/1671182 ***/
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// user_pref("privacy.clearsitedata.cache.enabled", true);
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/** SANITIZE MANUAL: IGNORES "ALLOW" SITE EXCEPTIONS ***/
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/* 2820: reset default items to clear with Ctrl-Shift-Del [SETUP-CHROME]
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@ -765,11 +715,11 @@ user_pref("privacy.sanitize.timeSpan", 0);
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/*** [SECTION 4500]: RFP (RESIST FINGERPRINTING)
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RFP covers a wide range of ongoing fingerprinting solutions.
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It is an all-or-nothing buy in: you cannot pick and choose what parts you want
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[TEST] https://arkenfox.github.io/TZP/tzp.html
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[WARNING] DO NOT USE extensions to alter RFP protected metrics
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418986 - limit window.screen & CSS media queries (FF41)
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[TEST] https://arkenfox.github.io/TZP/tzp.html#screen
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1281949 - spoof screen orientation (FF50)
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1330890 - spoof timezone as UTC0 (FF55)
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1360039 - spoof navigator.hardwareConcurrency as 2 (FF55)
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@ -808,19 +758,23 @@ user_pref("privacy.sanitize.timeSpan", 0);
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1595823 - return audioContext sampleRate as 44100 (FF72)
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1607316 - spoof pointer as coarse and hover as none (ANDROID) (FF74)
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1621433 - randomize canvas (previously FF58+ returned an all-white canvas) (FF78)
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1506364 - return "no-preference" with prefers-contrast (FF80)
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1653987 - limit font visibility to bundled and "Base Fonts" (Windows, Mac, some Linux) (FF80)
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1461454 - spoof smooth=true and powerEfficient=false for supported media in MediaCapabilities (FF82)
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531915 - use fdlibm's sin, cos and tan in jsmath (FF93, ESR91.1)
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1756280 - enforce navigator.pdfViewerEnabled as true and plugins/mimeTypes as hard-coded values (FF100)
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1692609 - reduce JS timing precision to 16.67ms (previously FF55+ was 100ms) (FF102)
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1422237 - return "srgb" with color-gamut (FF110)
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1794628 - return "none" with inverted-colors (FF114)
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***/
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|
user_pref("_user.js.parrot", "4500 syntax error: the parrot's popped 'is clogs");
|
|
|
|
|
/* 4501: enable privacy.resistFingerprinting [FF41+]
|
|
|
|
|
/* 4501: enable privacy.resistFingerprinting
|
|
|
|
|
* [SETUP-WEB] RFP can cause some website breakage: mainly canvas, use a site exception via the urlbar
|
|
|
|
|
* RFP also has a few side effects: mainly timezone is UTC0, and websites will prefer light theme
|
|
|
|
|
* [NOTE] pbmode applies if true and the original pref is false
|
|
|
|
|
* [1] https://bugzilla.mozilla.org/418986 ***/
|
|
|
|
|
user_pref("privacy.resistFingerprinting", true);
|
|
|
|
|
user_pref("privacy.resistFingerprinting", true); // [FF41+]
|
|
|
|
|
// user_pref("privacy.resistFingerprinting.pbmode", true); // [FF114+]
|
|
|
|
|
/* 4502: set new window size rounding max 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 ***/
|
|
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|
|
@ -829,7 +783,7 @@ user_pref("privacy.window.maxInnerHeight", 900);
|
|
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|
/* 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 ***/
|
|
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|
|
user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDEN PREF]
|
|
|
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|
user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDEN PREF FF57-108]
|
|
|
|
|
/* 4504: enable RFP letterboxing [FF67+]
|
|
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|
|
* Dynamically resizes the inner window by applying margins in stepped ranges [2]
|
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|
|
* If you use the dimension pref, then it will only apply those resolutions.
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|
@ -845,7 +799,6 @@ user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF]
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|
* [WARNING] DO NOT USE unless testing, see [1] comment 12
|
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|
|
* [1] https://bugzilla.mozilla.org/1635603 ***/
|
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|
// user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
|
|
|
|
|
// user_pref("privacy.resistFingerprinting.testGranularityMask", 0);
|
|
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|
|
/* 4506: set RFP's font visibility level (1402) [FF94+] ***/
|
|
|
|
|
// user_pref("layout.css.font-visibility.resistFingerprinting", 1); // [DEFAULT: 1]
|
|
|
|
|
/* 4510: disable using system colors
|
|
|
|
|
@ -882,7 +835,7 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow
|
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|
* 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 mode session.
|
|
|
|
|
* 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 ***/
|
|
|
|
|
@ -942,22 +895,28 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow
|
|
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|
|
/* 5015: disable Windows taskbar preview [WINDOWS] ***/
|
|
|
|
|
// 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 ***/
|
|
|
|
|
* 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
|
|
|
|
|
* [NOTE] Heuristics controls Form Autofill on forms without @autocomplete attributes
|
|
|
|
|
* [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+]
|
|
|
|
|
// user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
|
|
|
|
|
/* 5017: limit events that can cause a pop-up ***/
|
|
|
|
|
/* 5018: limit events that can cause a pop-up ***/
|
|
|
|
|
// user_pref("dom.popup_allowed_events", "click dblclick mousedown pointerdown");
|
|
|
|
|
/* 5018: disable page thumbnail collection ***/
|
|
|
|
|
/* 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,
|
|
|
|
|
@ -998,6 +957,25 @@ user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!");
|
|
|
|
|
// 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.
|
|
|
|
|
* If you see PR_CONNECT_RESET_ERROR, this pref *might* be the cause
|
|
|
|
|
* [NOTE] PHP defaults to IPv6 with "localhost". Use "php -S 127.0.0.1:PORT"
|
|
|
|
|
* [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);
|
|
|
|
|
|
|
|
|
|
/*** [SECTION 6000]: DON'T TOUCH ***/
|
|
|
|
|
user_pref("_user.js.parrot", "6000 syntax error: the parrot's 'istory!");
|
|
|
|
|
@ -1012,8 +990,8 @@ user_pref("network.http.referer.spoofSource", false); // [DEFAULT: false]
|
|
|
|
|
* [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 ***/
|
|
|
|
|
* [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 [FF81+]
|
|
|
|
|
* In FF96+ these are listed in about:compat
|
|
|
|
|
@ -1026,6 +1004,9 @@ user_pref("security.tls.version.enable-deprecated", false); // [DEFAULT: false]
|
|
|
|
|
* 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 FF102+ ***/
|
|
|
|
|
// user_pref("beacon.enabled", "");
|
|
|
|
|
// user_pref("browser.startup.blankWindow", "");
|
|
|
|
|
@ -1042,16 +1023,18 @@ user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false]
|
|
|
|
|
// user_pref("extensions.formautofill.addresses.supported", "");
|
|
|
|
|
// user_pref("extensions.formautofill.creditCards.available", "");
|
|
|
|
|
// user_pref("extensions.formautofill.creditCards.supported", "");
|
|
|
|
|
// user_pref("middlemouse.contentLoadURL", "");
|
|
|
|
|
/* 6051: prefsCleaner: reset previously active items removed from arkenfox FF115+ ***/
|
|
|
|
|
// user_pref("network.protocol-handler.external.ms-windows-store", "");
|
|
|
|
|
|
|
|
|
|
/*** [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, offline cache (appCache)
|
|
|
|
|
* [WHY] The API state is easily fingerprintable. Geo is behind a prompt (7002).
|
|
|
|
|
* appCache storage capability was removed in FF90. Full screen requires user interaction ***/
|
|
|
|
|
* 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);
|
|
|
|
|
// user_pref("browser.cache.offline.enable", false);
|
|
|
|
|
/* 7002: set default permissions
|
|
|
|
|
* Location, Camera, Microphone, Notifications [FF58+] Virtual Reality [FF73+]
|
|
|
|
|
* 0=always ask (default), 1=allow, 2=block
|
|
|
|
|
@ -1088,7 +1071,7 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
|
|
|
|
|
// 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 ***/
|
|
|
|
|
* [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+]
|
|
|
|
|
@ -1143,6 +1126,13 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
|
|
|
|
|
* [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);
|
|
|
|
|
|
|
|
|
|
/*** [SECTION 8000]: DON'T BOTHER: FINGERPRINTING
|
|
|
|
|
[WHY] They are insufficient to help anti-fingerprinting and do more harm than good
|
|
|
|
|
@ -1192,7 +1182,7 @@ user_pref("browser.urlbar.showSearchTerms.enabled", false);
|
|
|
|
|
***/
|
|
|
|
|
user_pref("_user.js.parrot", "9999 syntax error: the parrot's shuffled off 'is mortal coil!");
|
|
|
|
|
/* ESR102.x still uses all the following prefs
|
|
|
|
|
// [NOTE] replace the * with a slash in the line above to re-enable them
|
|
|
|
|
// [NOTE] replace the * with a slash in the line above to re-enable active ones
|
|
|
|
|
// FF103
|
|
|
|
|
// 2801: delete cookies and site data on exit - replaced by sanitizeOnShutdown* (2810)
|
|
|
|
|
// 0=keep until they expire (default), 2=keep until you close Firefox
|
|
|
|
|
@ -1202,6 +1192,24 @@ user_pref("network.cookie.lifetimePolicy", 2);
|
|
|
|
|
// 6012: disable SHA-1 certificates
|
|
|
|
|
// [-] https://bugzilla.mozilla.org/1766687
|
|
|
|
|
// user_pref("security.pki.sha1_enforcement_level", 1); // [DEFAULT: 1]
|
|
|
|
|
// FF114
|
|
|
|
|
// 2816: set cache to clear 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
|
|
|
|
|
// [-] https://bugzilla.mozilla.org/1821651
|
|
|
|
|
// user_pref("privacy.clearsitedata.cache.enabled", true);
|
|
|
|
|
// 4505: experimental RFP [FF91+]
|
|
|
|
|
// [-] https://bugzilla.mozilla.org/1824235
|
|
|
|
|
// user_pref("privacy.resistFingerprinting.testGranularityMask", 0);
|
|
|
|
|
// 5017: disable Form Autofill heuristics
|
|
|
|
|
// Heuristics controls Form Autofill on forms without @autocomplete attributes
|
|
|
|
|
// [-] https://bugzilla.mozilla.org/1829670
|
|
|
|
|
// user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
|
|
|
|
|
// FF115
|
|
|
|
|
// 7001: disable offline cache (appCache)
|
|
|
|
|
// [NOTE] appCache storage capability was removed in FF90
|
|
|
|
|
// [-] https://bugzilla.mozilla.org/1677718
|
|
|
|
|
// user_pref("browser.cache.offline.enable", false);
|
|
|
|
|
// ***/
|
|
|
|
|
|
|
|
|
|
/* END: internal custom pref to test for syntax errors ***/
|
|
|
|
|
|
