# Mozilla User Preferences # # 2020/04/25 # # Based on Privacy-Handbuch, merged/adjusted minimal/moderate user.js # Download: https://www.privacy-handbuch.de/handbuch_21u.htm # # Install when Firefox is closed! # Feel free to comment in or modify if you don't like the default setting. user_pref("app.normandy.enabled", false); user_pref("app.normandy.api_url", ""); user_pref("app.shield.optoutstudies.enabled", false); user_pref("beacon.enabled", false); user_pref("browser.aboutHomeSnippets.updateUrl", ""); user_pref("browser.cache.compression_level", 1); user_pref("browser.cache.disk.enable", false); user_pref("browser.cache.disk_cache_ssl", false); user_pref("browser.cache.offline.enable", false); user_pref("browser.contentblocking.category", "strict"); //user_pref("browser.display.use_document_fonts", 0); user_pref("browser.fixup.alternate.enabled", false); user_pref("browser.formfill.enable", false); user_pref("browser.link.open_newwindow.restriction", 0); user_pref("browser.library.activity-stream.enabled", false); user_pref("browser.newtabpage.activity-stream.enabled", false); user_pref("browser.newtabpage.enabled", false); user_pref("browser.newtabpage.activity-stream.asrouterExperimentEnabled", 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.newtabpage.activity-stream.telemetry", false); user_pref("browser.newtabpage.activity-stream.feeds.sections", false); user_pref("browser.newtabpage.activity-stream.feeds.snippets", false); user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false); user_pref("browser.newtabpage.activity-stream.feeds.systemtick", false); // set just for convenience user_pref("browser.newtabpage.activity-stream.feeds.topsites", true); user_pref("browser.newtabpage.activity-stream.feeds.section.topstories.options", ""); user_pref("browser.newtabpage.activity-stream.telemetry.ping.endpoint", ""); user_pref("browser.onboarding.enabled", false); user_pref("browser.pagethumbnails.capturing_disabled", true); user_pref("browser.ping-centre.telemetry", false); user_pref("browser.ping-centre.production.endpoint", ""); user_pref("browser.ping-centre.staging.endpoint", ""); user_pref("browser.privatebrowsing.autostart", false); user_pref("browser.safebrowsing.downloads.remote.url", " "); user_pref("browser.safebrowsing.downloads.enabled", false); user_pref("browser.safebrowsing.phishing.enabled", false); user_pref("browser.safebrowsing.malware.enabled", false); user_pref("browser.safebrowsing.downloads.remote.enabled", false); user_pref("browser.safebrowsing.downloads.remote.block_dangerous", false); user_pref("browser.safebrowsing.downloads.remote.block_dangerous_host", false); user_pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false); user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false); user_pref("browser.safebrowsing.blockedURIs.enabled", false); user_pref("browser.safebrowsing.provider.google.gethashURL", ""); user_pref("browser.safebrowsing.provider.google.updateURL", ""); user_pref("browser.safebrowsing.provider.google4.gethashURL", ""); user_pref("browser.safebrowsing.provider.google4.updateURL", ""); user_pref("browser.safebrowsing.provider.mozilla.gethashURL", ""); user_pref("browser.safebrowsing.provider.mozilla.updateURL", ""); user_pref("browser.search.update", false); user_pref("browser.search.geoSpecificDefaults", false); user_pref("browser.search.geoSpecificDefaults.url", ""); user_pref("browser.search.geoip.url", ""); user_pref("browser.search.suggest.enabled", false); user_pref("browser.search.reset.enabled", false); user_pref("browser.search.reset.whitelist", ""); // adjust if you like to restore/keep session user_pref("browser.sessionstore.resume_session_once", false); user_pref("browser.sessionstore.resume_from_crash", false); // set to -1 for unlimited ctrl+shift+t user_pref("browser.sessionstore.max_tabs_undo", 3); user_pref("browser.sessionstore.max_windows_undo", 0); user_pref("browser.sessionstore.privacy_level", 2); user_pref("browser.slowStartup.notificationDisabled", true); user_pref("browser.slowStartup.maxSamples", 0); user_pref("browser.slowStartup.samples", 0); user_pref("browser.startup.page", 0); user_pref("browser.startup.homepage_override.mstone", "ignore"); user_pref("browser.tabs.crashReporting.sendReport", false); user_pref("browser.urlbar.speculativeConnect.enabled", false); user_pref("browser.urlbar.trimURLs", false); user_pref("browser.urlbar.oneOffSearches", false); user_pref("browser.urlbar.suggest.openpage", false); user_pref("browser.urlbar.suggest.searches", false); user_pref("camera.control.face_detection.enabled", false); user_pref("camera.control.autofocus_moving_callback.enabled", false); user_pref("datareporting.healthreport.uploadEnabled", false); user_pref("datareporting.policy.dataSubmissionEnabled", false); //user_pref("devtools.webide.autoinstallADBHelper", false); //user_pref("devtools.webide.enabled", false); //user_pref("device.sensors.enabled", false); //user_pref("dom.enable_performance", false); //user_pref("dom.enable_performance_navigation_timing", false); //user_pref("dom.enable_resource_timing", false); //user_pref("dom.gamepad.enabled", false); //user_pref("dom.webnotifications.enabled", false); user_pref("dom.webaudio.enabled", true); user_pref("extensions.blocklist.enabled", false); user_pref("extensions.blocklist.url", ""); user_pref("extensions.getAddons.cache.enabled", false); user_pref("extensions.htmlaboutaddons.discover.enabled", false); user_pref("extensions.htmlaboutaddons.recommendations.enabled", false); user_pref("extensions.ui.lastCategory", "addons://list/extension"); user_pref("extensions.formautofill.addresses.enabled", false); user_pref("extensions.formautofill.creditCards.enabled", false); user_pref("extensions.formautofill.heuristics.enabled", false); user_pref("extensions.pocket.enabled", false); user_pref("extensions.screenshots.disabled", true); user_pref("extensions.screenshots.upload-disabled", true); user_pref("extensions.systemAddon.update.enabled", false); user_pref("extensions.systemAddon.update.url", ""); user_pref("extensions.webextensions.restrictedDomains", ""); //user_pref("font.blacklist.underline_offset", ""); //user_pref("layers.acceleration.disabled", true); user_pref("media.cache_size", 0); user_pref("media.eme.enabled", false); user_pref("media.navigator.enabled", false); user_pref("media.navigator.video.enabled", false); user_pref("media.peerconnection.enabled", false); user_pref("media.video_stats.enabled", false); user_pref("media.webspeech.synth.enabled", false); user_pref("network.allow-experiments", false); user_pref("network.dns.disablePrefetch", true); user_pref("network.dns.disableIPv6", true); user_pref("network.captive-portal-service.enabled", false); user_pref("network.connectivity-service.enabled", false); user_pref("network.http.altsvc.enabled", false); user_pref("network.http.altsvc.oe", false); user_pref("network.http.referer.XOriginPolicy", 2); user_pref("network.http.speculative-parallel-limit", 0); user_pref("network.IDN_show_punycode", true); user_pref("network.manage-offline-status", false); // allow local storage to not break things //user_pref("offline-apps.allow_by_default", false); //user_pref("offline-apps.quota.warn", 0); user_pref("places.history.enabled", true); //user_pref("permissions.default.geo", 2); //user_pref("plugin.default.state", 0); //user_pref("plugins.enumerable_names", ""); //user_pref("plugins.update.url", ""); user_pref("privacy.clearOnShutdown.cache", false); user_pref("privacy.clearOnShutdown.cookies", true); user_pref("privacy.clearOnShutdown.downloads", true); user_pref("privacy.clearOnShutdown.history", false); user_pref("privacy.clearOnShutdown.offlineApps", true); user_pref("privacy.clearOnShutdown.openWindows", false); user_pref("privacy.clearOnShutdown.sessions", true); user_pref("privacy.clearOnShutdown.formdata", true); user_pref("privacy.clearOnShutdown.siteSettings", true); user_pref("privacy.cpd.offlineApps", true); user_pref("privacy.cpd.passwords", true); user_pref("privacy.cpd.siteSettings", true); // send do not track although some sites might ignore and you might be more recognizable user_pref("privacy.donottrackheader.enabled", true); user_pref("privacy.firstparty.isolate", true); user_pref("privacy.firstparty.isolate.block_post_message", true); user_pref("privacy.history.custom", true); user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); user_pref("privacy.sanitize.migrateClearSavedPwdsOnExit", true); user_pref("privacy.sanitize.sanitizeOnShutdown", true); // disable containers user_pref("privacy.userContext.enabled", false); user_pref("privacy.userContext.ui.enabled", false); user_pref("privacy.userContext.longPressBehavior", 2); user_pref("privacy.usercontext.about_newtab_segregation.enabled", true); user_pref("reader.parse-on-load.enabled", false); user_pref("security.cert_pinning.enforcement_level", 2); user_pref("security.family_safety.mode", 0); user_pref("security.identityblock.show_extended_validation", true); user_pref("security.insecure_connection_icon.enabled", true); user_pref("security.insecure_connection_icon.pbmode.enabled", true); user_pref("security.insecure_connection_text.enabled", true); user_pref("security.insecure_connection_text.pbmode.enabled", true); user_pref("security.mixed_content.upgrade_display_content", true); user_pref("security.mixed_content.block_active_content", true); user_pref("security.secure_connection_icon_color_gray", false); user_pref("security.ssl.require_safe_negotiation", true); user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true); user_pref("signon.autofillForms", false); user_pref("signon.formlessCapture.enabled", false); user_pref("toolkit.coverage.endpoint.base", ""); user_pref("toolkit.coverage.opt-out", true); user_pref("toolkit.telemetry.archive.enabled", false); user_pref("toolkit.telemetry.coverage.opt-out", true); user_pref("toolkit.telemetry.bhrPing.enabled", false); user_pref("toolkit.telemetry.firstShutdownPing.enabled", false); user_pref("toolkit.telemetry.hybridContent.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.server", ""); user_pref("toolkit.telemetry.unified", false); user_pref("toolkit.telemetry.infoURL", ""); user_pref("ui.use_standins_for_native_colors", true); user_pref("ui.systemUsesDarkTheme", 0); user_pref("webgl.disable-extensions", true); user_pref("webgl.disable-fail-if-major-performance-caveat", true); user_pref("webgl.min_capability_mode", true); user_pref("webgl.enable-debug-renderer-info", false); user_pref("network.trr.resolvers", '[{ "name": "Cloudflare", "url": "https://mozilla.cloudflare-dns.com/dns-query" },{ "name": "NextDNS", "url": "https://trr.dns.nextdns.io/" },{ "name": "dnsforge.de", "url": "https://dnsforge.de/dns-query" },{ "name": "Digitale Gesellschaft (CH)", "url": "https://dns.digitale-gesellschaft.ch/dns-query" }, { "name": "Freifunk Muenchen", "url": "https://doh.ffmuc.net" }, { "name": "Quad9", "url": "https://dns.quad9.net/dns-query" }]'); // 0 = use system DNS, 2 = use DNS-over-HTTPS resolver, select one in UI under network, otherwise you might end up with cloudflare user_pref("network.trr.mode", 0); // additionally set, should be revised user_pref("general.warnOnAboutConfig", false); user_pref("experiments.activeExperiment", false); user_pref("experiments.enabled", false); user_pref("experiments.manifest.uri", ""); user_pref("experiments.supported", false); user_pref("security.OCSP.enabled", 1); user_pref("security.family_safety.mode", 0); user_pref("signon.management.page.breach-alerts.enabled", false); user_pref("signon.management.page.breachAlertUrl", ""); // disabling referer might break some sites, set to 0 to disable user_pref("network.http.sendRefererHeader", 2); // customly set, adjust to your liking user_pref("general.smoothScroll", false); user_pref("general.smoothScroll.pages", false); user_pref("mousewheel.min_line_scroll_amount", 40); user_pref("geo.enabled", false); user_pref("geo.wifi.uri", ""); user_pref("webgl.disabled", true); user_pref("media.video_stats.enabled", false); user_pref("security.ssl3.dhe_rsa_aes_128_sha", false); user_pref("security.ssl3.dhe_rsa_aes_256_sha", false); user_pref("media.cache_readahead_limit", 999999); user_pref("media.cache_resume_threshold", 999999);