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https://github.com/Nexoniarz/nexoniarz-config-nixos.git
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727e796a1c
- fingerprintingProtection with every protection on except forced light mode: canvas/WebGL randomized, generic GPU name, UTC, fixed core count - Accept-Language en-US, en (the common value) - Firefox runs with its own fontconfig file that leaves out corefonts, so sites can't measure them; other apps keep them Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
147 lines
6.5 KiB
JavaScript
147 lines
6.5 KiB
JavaScript
// Nexoniarz's Firefox prefs (Firefox 157, "Nova" design)
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//
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// Loaded by NixOS (modules/firefox.nix) into Firefox's autoconfig. pref()
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// sets the value on every Firefox start but doesn't lock it: you can still
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// change things in Settings/about:config, they just reset on next start.
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// To change a setting permanently, edit it here and nixos-rebuild.
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// To stop managing a setting, delete its line (Firefox then keeps
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// whatever value it last had).
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//
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// GPU video decoding also needs env vars set in modules/hardware.nix:
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// LIBVA_DRIVER_NAME=nvidia NVD_BACKEND=direct MOZ_DISABLE_RDD_SANDBOX=1
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/*** PRIVACY: tracking & fingerprinting ***/
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// Strict Enhanced Tracking Protection: blocks trackers, cryptominers and
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// known fingerprinters, isolates cookies per site (Total Cookie Protection),
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// strips tracking parameters from URLs, and turns on fingerprintingProtection
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// (randomized canvas, fewer exposed hardware details).
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// If a site breaks: click the shield in the address bar and turn it off
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// for that site only.
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pref("browser.contentblocking.category", "strict");
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// Fingerprinting protection at full strength: everything resistFingerprinting
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// does (a Windows user agent and platform that agree, UTC time, a fixed core
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// count, the bundled font list, no precise GPU name, canvas noise...), but
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// switched on through fingerprintingProtection, because only that one takes
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// exceptions. The one exception: prefers-color-scheme isn't forced to light,
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// so sites still get dark mode.
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// To check it worked: coveryourtracks.eff.org should show Windows in both
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// User Agent and Platform, and timezone UTC.
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pref("privacy.resistFingerprinting", false);
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pref("privacy.fingerprintingProtection", true);
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pref("privacy.fingerprintingProtection.pbmode", true);
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pref("privacy.fingerprintingProtection.overrides", "+AllTargets,-CSSPrefersColorScheme");
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// Ask sites for English pages the way most English-speaking browsers do
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// (en-US, en), so the language header doesn't stand out. en-GB would be
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// rarer, and rarer is what gets you tracked.
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pref("intl.accept_languages", "en-US, en");
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pref("privacy.spoof_english", 2);
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// Sites only see base system fonts, not the ones installed on top
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// (the Microsoft core fonts made the font list 1 in 9,481).
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pref("layout.css.font-visibility.standard", 1);
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pref("layout.css.font-visibility.trackingprotection", 1);
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pref("layout.css.font-visibility.private", 1);
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pref("layout.css.font-visibility.resistFingerprinting", 1);
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// WebGPU tells sites about the graphics card in detail. Off breaks some
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// sites (3D, AI demos, some games); uncomment to turn it off.
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// pref("dom.webgpu.enabled", false);
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// First-party isolation stays ON. Every existing cookie in this profile was
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// saved with a first-party tag; turning this off makes Firefox ignore them
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// all (logged out everywhere). Works alongside Strict mode.
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pref("privacy.firstparty.isolate", true);
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// Cross-site requests only send the origin (https://site.com/), not the
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// full page URL you came from.
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pref("network.http.referer.XOriginTrimmingPolicy", 2);
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// Tell sites not to sell/share your data (legally binding in some places).
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pref("privacy.globalprivacycontrol.enabled", true);
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// No WebRTC: stops IP leaks. Web video calls (Meet, Discord in-browser)
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// need this set to true.
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pref("media.peerconnection.enabled", false);
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/*** PRIVACY: Mozilla data collection ***/
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pref("datareporting.healthreport.uploadEnabled", false);
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pref("datareporting.policy.dataSubmissionEnabled", false);
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pref("datareporting.usage.uploadEnabled", false);
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pref("toolkit.telemetry.enabled", false);
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pref("toolkit.telemetry.unified", false);
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pref("app.shield.optoutstudies.enabled", false);
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pref("app.normandy.enabled", false);
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pref("nimbus.rollouts.enabled", false);
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pref("browser.discovery.enabled", false);
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// Firefox Suggest launched in Poland with Firefox 157; it adds sponsored
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// results to the address bar.
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pref("browser.urlbar.quicksuggest.enabled", false);
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pref("browser.urlbar.suggest.quicksuggest.sponsored", false);
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pref("browser.urlbar.suggest.quicksuggest.nonsponsored", false);
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pref("browser.newtabpage.activity-stream.showSponsored", false);
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pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
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/*** SECURITY ***/
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// HTTPS-Only: upgrade every site to HTTPS and warn before loading plain
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// HTTP. Was enabled once, but it's off now.
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pref("dom.security.https_only_mode", true);
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// Safe Browsing back on for malware/phishing. It checks a local list and
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// only sends a partial hash when a URL matches, never your history.
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// The remote download check (which uploads file metadata to Google) stays off.
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pref("browser.safebrowsing.malware.enabled", true);
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pref("browser.safebrowsing.phishing.enabled", true);
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pref("browser.safebrowsing.downloads.enabled", true);
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pref("browser.safebrowsing.downloads.remote.enabled", false);
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/*** NETWORK ***/
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// DNS: use the system resolver (systemd-resolved with DNS-over-TLS) and
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// never let Firefox switch itself to its own DNS-over-HTTPS provider.
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pref("network.trr.mode", 5);
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// No preloading pages or DNS you didn't ask for.
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pref("network.dns.disablePrefetch", true);
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pref("network.prefetch-next", false);
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pref("network.http.speculative-parallel-limit", 0);
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pref("browser.urlbar.speculativeConnect.enabled", false);
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pref("network.captive-portal-service.enabled", false);
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pref("network.connectivity-service.enabled", false);
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/*** GPU VIDEO DECODING (RTX 3060 Ti, nvidia-vaapi-driver) ***/
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// Firefox blocklists VA-API on NVIDIA; force it on. The 3060 Ti decodes
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// H.264, VP9 and AV1 in hardware. (media.ffmpeg.vaapi.enabled is gone
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// since Firefox 137; this pref replaced it.)
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pref("media.hardware-video-decoding.force-enabled", true);
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pref("media.rdd-ffmpeg.enabled", true);
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pref("gfx.webrender.all", true);
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/*** LOOK & FEEL ***/
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// Compact mode (back in Firefox 157): thinner tabs and toolbars.
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// Switch back via ☰ > More tools > Customize toolbar > Density.
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pref("browser.compactmode.show", true);
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pref("browser.uidensity", 1);
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// Smoother, momentum-based scrolling, nicer at 240 Hz.
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pref("general.smoothScroll.msdPhysics.enabled", true);
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// Middle-click on a page to autoscroll (like on Windows).
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pref("general.autoScroll", true);
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// Closing the last tab doesn't close the window.
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pref("browser.tabs.closeWindowWithLastTab", false);
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// Show the full URL including https:// so you always see what site you're on.
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pref("browser.urlbar.trimHttps", false);
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pref("browser.urlbar.trimURLs", false);
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// No "proceed with caution" page every time you open about:config.
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pref("browser.aboutConfig.showWarning", false);
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