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JavaScript

//
/* You may copy+paste this file and use it as it is.
*
* If you make changes to your about:config while the program is running, the
* changes will be overwritten by the user.js when the application restarts.
*
* To make lasting changes to preferences, you will have to edit the user.js.
*/
/****************************************************************************
* Betterfox *
* "Ad meliora" *
* version: 138 *
* url: https://github.com/yokoffing/Betterfox *
****************************************************************************/
/****************************************************************************
* SECTION: FASTFOX *
****************************************************************************/
/** GENERAL ***/
user_pref("content.notify.interval", 100000);
/** GFX ***/
user_pref("gfx.canvas.accelerated.cache-size", 512);
user_pref("gfx.content.skia-font-cache-size", 20);
/** DISK CACHE ***/
user_pref("browser.cache.disk.enable", false);
/** MEMORY CACHE ***/
user_pref("browser.sessionhistory.max_total_viewers", 4);
/** MEDIA CACHE ***/
user_pref("media.memory_cache_max_size", 65536);
user_pref("media.cache_readahead_limit", 7200);
user_pref("media.cache_resume_threshold", 3600);
/** IMAGE CACHE ***/
user_pref("image.mem.decode_bytes_at_a_time", 32768);
/** NETWORK ***/
user_pref("network.http.max-connections", 1800);
user_pref("network.http.max-persistent-connections-per-server", 10);
user_pref("network.http.max-urgent-start-excessive-connections-per-host", 5);
user_pref("network.http.pacing.requests.enabled", false);
user_pref("network.dnsCacheExpiration", 3600);
user_pref("network.ssl_tokens_cache_capacity", 10240);
/** SPECULATIVE LOADING ***/
user_pref("network.http.speculative-parallel-limit", 0);
user_pref("network.dns.disablePrefetch", true);
user_pref("network.dns.disablePrefetchFromHTTPS", true);
user_pref("browser.urlbar.speculativeConnect.enabled", false);
user_pref("browser.places.speculativeConnect.enabled", false);
user_pref("network.prefetch-next", false);
user_pref("network.predictor.enabled", false);
user_pref("network.predictor.enable-prefetch", false);
/** EXPERIMENTAL ***/
user_pref("layout.css.grid-template-masonry-value.enabled", true);
/****************************************************************************
* SECTION: SECUREFOX *
****************************************************************************/
/** TRACKING PROTECTION ***/
user_pref("browser.contentblocking.category", "strict");
user_pref("browser.download.start_downloads_in_tmp_dir", true);
user_pref("browser.helperApps.deleteTempFileOnExit", true);
user_pref("browser.uitour.enabled", false);
user_pref("privacy.globalprivacycontrol.enabled", true);
/** OCSP & CERTS / HPKP ***/
user_pref("security.OCSP.enabled", 1); // Enforce OCSP fetching to confirm current validity of certificates
user_pref("security.pki.crlite_mode", 2);
/** SSL / TLS ***/
user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
user_pref("browser.xul.error_pages.expert_bad_cert", true);
user_pref("security.tls.enable_0rtt_data", false);
/** DISK AVOIDANCE ***/
user_pref("browser.privatebrowsing.forceMediaMemoryCache", true);
user_pref("browser.sessionstore.interval", 60000);
/** SHUTDOWN & SANITIZING ***/
user_pref("browser.privatebrowsing.resetPBM.enabled", true);
user_pref("privacy.history.custom", true);
/** SEARCH / URL BAR ***/
user_pref("browser.urlbar.trimHttps", true);
user_pref("browser.urlbar.untrimOnUserInteraction.featureGate", true);
user_pref("browser.search.separatePrivateDefault.ui.enabled", true);
user_pref("browser.urlbar.update2.engineAliasRefresh", true);
user_pref("browser.search.suggest.enabled", false);
user_pref("browser.urlbar.quicksuggest.enabled", false);
user_pref("browser.urlbar.groupLabels.enabled", false);
user_pref("browser.formfill.enable", false);
user_pref("network.IDN_show_punycode", true);
/** PASSWORDS ***/
user_pref("signon.formlessCapture.enabled", false);
user_pref("signon.privateBrowsingCapture.enabled", false);
user_pref("network.auth.subresource-http-auth-allow", 1);
user_pref("editor.truncate_user_pastes", false);
/** MIXED CONTENT + CROSS-SITE ***/
user_pref("security.mixed_content.block_display_content", true);
user_pref("pdfjs.enableScripting", false);
/** EXTENSIONS ***/
user_pref("extensions.enabledScopes", 5);
/** HEADERS / REFERERS ***/
user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
/** CONTAINERS ***/
user_pref("privacy.userContext.ui.enabled", true);
/** SAFE BROWSING ***/
user_pref("browser.safebrowsing.downloads.remote.enabled", false);
/** MOZILLA ***/
user_pref("permissions.default.desktop-notification", 2);
user_pref("permissions.default.geo", 2);
user_pref("geo.provider.network.url", "https://beacondb.net/v1/geolocate");
user_pref("browser.search.update", false);
user_pref("permissions.manager.defaultsUrl", "");
user_pref("extensions.getAddons.cache.enabled", false);
/** TELEMETRY ***/
user_pref("datareporting.policy.dataSubmissionEnabled", false);
user_pref("datareporting.healthreport.uploadEnabled", false);
user_pref("toolkit.telemetry.unified", false);
user_pref("toolkit.telemetry.enabled", false);
user_pref("toolkit.telemetry.server", "data:,");
user_pref("toolkit.telemetry.archive.enabled", false);
user_pref("toolkit.telemetry.newProfilePing.enabled", false);
user_pref("toolkit.telemetry.shutdownPingSender.enabled", false);
user_pref("toolkit.telemetry.updatePing.enabled", false);
user_pref("toolkit.telemetry.bhrPing.enabled", false);
user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
user_pref("toolkit.telemetry.coverage.opt-out", true);
user_pref("toolkit.coverage.opt-out", true);
user_pref("toolkit.coverage.endpoint.base", "");
user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
user_pref("browser.newtabpage.activity-stream.telemetry", false);
user_pref("datareporting.usage.uploadEnabled", false);
/** EXPERIMENTS ***/
user_pref("app.shield.optoutstudies.enabled", false);
user_pref("app.normandy.enabled", false);
user_pref("app.normandy.api_url", "");
/** CRASH REPORTS ***/
user_pref("breakpad.reportURL", "");
user_pref("browser.tabs.crashReporting.sendReport", false);
/****************************************************************************
* SECTION: PESKYFOX *
****************************************************************************/
/** MOZILLA UI ***/
user_pref("browser.privatebrowsing.vpnpromourl", "");
user_pref("extensions.getAddons.showPane", false);
user_pref("extensions.htmlaboutaddons.recommendations.enabled", false);
user_pref("browser.discovery.enabled", false);
user_pref("browser.shell.checkDefaultBrowser", false);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
user_pref("browser.preferences.moreFromMozilla", false);
user_pref("browser.aboutConfig.showWarning", false);
user_pref("browser.aboutwelcome.enabled", false);
user_pref("browser.profiles.enabled", true);
/** THEME ADJUSTMENTS ***/
user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
user_pref("browser.compactmode.show", true);
user_pref("browser.privateWindowSeparation.enabled", false); // WINDOWS
/** FULLSCREEN NOTICE ***/
user_pref("full-screen-api.transition-duration.enter", "0 0");
user_pref("full-screen-api.transition-duration.leave", "0 0");
user_pref("full-screen-api.warning.timeout", 0);
/** URL BAR ***/
user_pref("browser.urlbar.unitConversion.enabled", true);
user_pref("browser.urlbar.trending.featureGate", false);
user_pref("dom.text_fragments.create_text_fragment.enabled", true);
/** NEW TAB PAGE ***/
user_pref("browser.newtabpage.activity-stream.default.sites", "");
user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false);
user_pref("browser.newtabpage.activity-stream.showSponsored", false);
/** POCKET ***/
user_pref("extensions.pocket.enabled", false);
/** DOWNLOADS ***/
user_pref("browser.download.manager.addToRecentDocs", false);
/** PDF ***/
user_pref("browser.download.open_pdf_attachments_inline", true);
/** TAB BEHAVIOR ***/
user_pref("browser.bookmarks.openInTabClosesMenu", false);
user_pref("browser.menu.showViewImageInfo", true);
user_pref("findbar.highlightAll", true);
user_pref("layout.word_select.eat_space_to_next_word", false);
/****************************************************************************
* START: MY OVERRIDES *
****************************************************************************/
// visit https://github.com/yokoffing/Betterfox/wiki/Common-Overrides
// visit https://github.com/yokoffing/Betterfox/wiki/Optional-Hardening
// Enter your personal overrides below this line:
// PREF: restore login manager
user_pref("signon.rememberSignons", true);
// PREF: restore Top Sites on New Tab page
user_pref("browser.newtabpage.activity-stream.feeds.topsites", true);
// PREF: enable container tabs
user_pref("privacy.userContext.enabled", true);
/***********************************
* START: HARDENING *
***********************************/
// PREF: disable Firefox Sync
user_pref("identity.fxaccounts.enabled", false);
// PREF: disable the Firefox View tour from popping up
user_pref("browser.firefox-view.feature-tour", '{"screen":"","complete":true}');
// PREF: enable HTTPS-Only Mode
// Warn me before loading sites that don't support HTTPS
// in both Normal and Private Browsing windows.
user_pref("dom.security.https_only_mode", true);
user_pref("dom.security.https_only_mode_error_page_user_suggestions", true);
// PREF: disable captive portal detection
// [WARNING] Do NOT use for mobile devices!
user_pref("captivedetect.canonicalURL", "");
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");
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);
// PREF: enforce certificate pinning
// [ERROR] MOZILLA_PKIX_ERROR_KEY_PINNING_FAILURE
// 1 = allow user MiTM (such as your antivirus) (default)
// 2 = strict
user_pref("security.cert_pinning.enforcement_level", 2);
// 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
user_pref("browser.sessionstore.privacy_level", 2);
// PREF: disable all DRM content
user_pref("media.eme.enabled", false);
/***********************************
* END: HARDENING *
***********************************/
/****************************************************************************
* END: MY OVERRIDES *
****************************************************************************/
/****************************************************************************
* START: ARKEN FOX MODS *
****************************************************************************/
// Disable IPv6
user_pref("network.dns.disableIPv6", true);
// Enforce no "Hyperlink Auditing" (click tracking)
user_pref("browser.send_pings", false); // [DEFAULT: false]
// Disable location bar contextual suggestions
user_pref("browser.urlbar.suggest.quicksuggest.nonsponsored", false); // [FF95+]
user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false); // [FF92+]
// Disable live search suggestions
user_pref("browser.urlbar.suggest.searches", false);
// Enable separate default search engine in Private Windows and its UI setting
user_pref("browser.search.separatePrivateDefault", true); // [FF70+]
// Disable auto-filling username & password form fields
user_pref("signon.autofillForms", false);
// Disable Safe Browsing
user_pref("browser.safebrowsing.malware.enabled", false);
user_pref("browser.safebrowsing.phishing.enabled", false);
user_pref("browser.safebrowsing.downloads.enabled", false);
user_pref("browser.safebrowsing.downloads.remote.url", ""); // Defense-in-depth
user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false);
// Enforce no submission of backlogged Crash Reports [FF58+]
user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DEFAULT: false]
// Disable shopping experience [FF116+]
user_pref("browser.shopping.experience2023.enabled", false); // [DEFAULT: false]
// Disable urlbar suggestions
user_pref("browser.urlbar.addons.featureGate", false); // [FF115+]
user_pref("browser.urlbar.fakespot.featureGate", false); // [FF130+] [DEFAULT: false]
user_pref("browser.urlbar.mdn.featureGate", false); // [FF117+] [HIDDEN PREF]
user_pref("browser.urlbar.pocket.featureGate", false); // [FF116+] [DEFAULT: false]
user_pref("browser.urlbar.weather.featureGate", false); // [FF108+] [DEFAULT: false]
user_pref("browser.urlbar.yelp.featureGate", false); // [FF124+]
user_pref("browser.urlbar.clipboard.featureGate", false);
// Disable location bar suggestion types
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);
// Disable Form Autofill
user_pref("extensions.formautofill.addresses.enabled", false); // [FF55+]
user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+]
// Limit events that can cause a pop-up
user_pref("dom.popup_allowed_events", "click dblclick mousedown pointerdown");
// Enable CRLite [FF73+]
/*
* 0 = disabled
* 1 = consult CRLite but only collect telemetry
* 2 = consult CRLite and enforce both "Revoked" and "Not Revoked" results
* 3 = consult CRLite and enforce "Not Revoked" results, but defer to OCSP for "Revoked" (default)
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1429800,1670985,1753071
* [2] https://blog.mozilla.org/security/tag/crlite/
*/
user_pref("security.remote_settings.crlite_filters.enabled", true); // [DEFAULT: true FF137+]
// Enable HTTPS-Only mode in all windows
/*
* When the top-level is HTTPS, insecure subresources are also upgraded (silent fail)
* [SETTING] to add site exceptions: Padlock>HTTPS-Only mode>On (after "Continue to HTTP Site")
* [SETTING] Privacy & Security>HTTPS-Only Mode (and manage exceptions)
* [TEST] http://example.com [upgrade]
* [TEST] http://httpforever.com/ | http://http.rip [no upgrade]
*/
user_pref("dom.security.https_only_mode", true); // [FF76+]
user_pref("dom.security.https_only_mode_pbm", true); // [FF80+]
// Disable RFP spoof english prompt
// [SETTING] General>Language>Choose your preferred language for displaying pages>Choose>Request English...
user_pref("privacy.spoof_english", 1);
// DOM (DOCUMENT OBJECT MODEL)
// Prevent scripts from moving and resizing open windows
user_pref("dom.disable_window_move_resize", true);
// Disable UITour backend so there is no chance that a remote page can use it
user_pref("browser.uitour.url", ""); // Defense-in-depth
// Reset remote debugging to disabled
user_pref("devtools.debugger.remote-enabled", false); // [DEFAULT: false]
// Enforce PDFJS
user_pref("pdfjs.disabled", false); // [DEFAULT: false]
// Disable content analysis by DLP (Data Loss Prevention) agents
user_pref("browser.contentanalysis.enabled", false); // [FF121+] [DEFAULT: false]
user_pref("browser.contentanalysis.default_result", 0); // [FF127+] [DEFAULT: 0]
// DOWNLOADS
/*
* 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);
// Fingerprint Protection
// Enable FPP in PB mode
user_pref("privacy.fingerprintingProtection.pbmode", true);
// Disable remote FPP overrides
user_pref("privacy.fingerprintingProtection.remoteOverrides.enabled", false);
// 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]
// Disable using the OS's geolocation service
user_pref("geo.provider.use_geoclue", false); // [FF102+] [LINUX]
// 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);
// Enable the DNT (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 (Web Real-Time Communication)
user_pref("media.peerconnection.enabled", false);
// Set the proxy server to do any DNS lookups when using SOCKS
user_pref("network.proxy.socks_remote_dns", true);
// SSL (Secure Sockets Layer) / TLS (Transport Layer Security)
// Require safe negotiation
user_pref("security.ssl.require_safe_negotiation", true);
// Set OCSP fetch failures (non-stapled, see 1211) to hard-fail
user_pref("security.OCSP.require", true);
/****************************************************************************
* END: ARKEN FOX MODS *
****************************************************************************/
/****************************************************************************
* START: CUSTOMISABLE *
****************************************************************************/
// Disable location bar suggestion types
// user_pref("browser.urlbar.suggest.bookmark", false);
// user_pref("browser.urlbar.suggest.openpage", false);
// user_pref("browser.urlbar.suggest.topsites", 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);
// Disable WebGL (Web Graphics Library)
// user_pref("webgl.disabled", true);
/****************************************************************************
* END: CUSTOMISABLE *
****************************************************************************/
/****************************************************************************
* SECTION: SMOOTHFOX *
****************************************************************************/
// visit https://github.com/yokoffing/Betterfox/blob/main/Smoothfox.js
// Enter your scrolling overrides below this line:
/***********************************
* OPTION: SHARPEN SCROLLING *
***********************************/
// credit: https://github.com/black7375/Firefox-UI-Fix
// only sharpen scrolling
user_pref("apz.overscroll.enabled", true); // DEFAULT NON-LINUX
user_pref("general.smoothScroll", true); // DEFAULT
user_pref("mousewheel.min_line_scroll_amount", 10); // adjust this number to your liking; default=5
user_pref("general.smoothScroll.mouseWheel.durationMinMS", 80); // default=50
user_pref("general.smoothScroll.currentVelocityWeighting", "0.15"); // default=.25
user_pref("general.smoothScroll.stopDecelerationWeighting", "0.6"); // default=.4
// Firefox Nightly only:
// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1846935
user_pref("general.smoothScroll.msdPhysics.enabled", false); // [FF122+ Nightly]
/****************************************************************************
* END: BETTERFOX *
****************************************************************************/