michel_ouba/FF_arkenfox_user.js
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FF_arkenfox_user.js
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v107 (#1579)

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Thorin-Oakenpants 2022-11-21 00:36:37 +00:00 committed by GitHub
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user.js
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@ -1,7 +1,7 @@
/******
* name: arkenfox user.js
* date: 6 November 2022
* version: 106
* date: 21 November 2022
* version: 107
* url: https://github.com/arkenfox/user.js
* license: MIT: https://github.com/arkenfox/user.js/blob/master/LICENSE.txt
@ -112,8 +112,8 @@ user_pref("geo.provider.use_gpsd", false); // [LINUX]
user_pref("geo.provider.use_geoclue", false); // [FF102+] [LINUX]
/* 0203: disable region updates
* [1] https://firefox-source-docs.mozilla.org/toolkit/modules/toolkit_modules/Region.html ***/
user_pref("browser.region.network.url", ""); // [FF78+]
user_pref("browser.region.update.enabled", false); // [FF79+]
// user_pref("browser.region.network.url", ""); // [FF78+] Defense-in-depth
/* 0204: set search region
* [NOTE] May not be hidden if Firefox has changed your settings due to your region (0203) ***/
// user_pref("browser.search.region", "US"); // [HIDDEN PREF]
@ -491,8 +491,8 @@ user_pref("security.remote_settings.crlite_filters.enabled", true);
user_pref("security.pki.crlite_mode", 2);
/** MIXED CONTENT ***/
/* 1241: disable insecure passive content (such as images) on https pages [SETUP-WEB] ***/
user_pref("security.mixed_content.block_display_content", true);
/* 1241: disable insecure passive content (such as images) on https pages ***/
// user_pref("security.mixed_content.block_display_content", true); // Defense-in-depth (see 1244)
/* 1244: enable HTTPS-Only mode in all windows [FF76+]
* 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")
@ -603,9 +603,6 @@ user_pref("media.eme.enabled", false);
user_pref("_user.js.parrot", "2400 syntax error: the parrot's kicked the bucket!");
/* 2402: prevent scripts from moving and resizing open windows ***/
user_pref("dom.disable_window_move_resize", true);
/* 2403: block popup windows
* [SETTING] Privacy & Security>Permissions>Block pop-up windows ***/
user_pref("dom.disable_open_during_load", true);
/* 2404: limit events that can cause a popup [SETUP-WEB] ***/
user_pref("dom.popup_allowed_events", "click dblclick mousedown pointerdown");
@ -624,7 +621,7 @@ user_pref("browser.helperApps.deleteTempFileOnExit", true);
user_pref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF]
/* 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", "");
// 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]
@ -648,16 +645,16 @@ user_pref("webchannel.allowObject.urlWhitelist", "");
* [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 [SETUP-CHROME]
/* 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")
* PROS: pdfjs is lightweight, open source, and more secure/vetted than most
* Exploits are rare (one serious case in seven years), treated seriously and patched quickly.
* [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.
* CONS: You may prefer a different pdf reader for security reasons
* CAVEAT: JS can still force a pdf to open in-browser by bundling its own code
* [SETTING] General>Applications>Portable Document Format (PDF) ***/
* [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+]
/* 2621: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS] ***/
@ -717,8 +714,8 @@ user_pref("browser.contentblocking.category", "strict");
/* 2710: enable state partitioning of service workers [FF96+] ***/
user_pref("privacy.partition.serviceWorkers", true); // [DEFAULT: true FF105+]
/* 2720: enable APS (Always Partitioning Storage) ***/
user_pref("privacy.partition.always_partition_third_party_non_cookie_storage", true); // [FF104+]
user_pref("privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage", false); // [FF105+]
user_pref("privacy.partition.always_partition_third_party_non_cookie_storage", true); // [FF104+] [DEFAULT: true FF109+}
user_pref("privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage", false); // [FF105+] [DEFAULT: false FF109+]
/*** [SECTION 2800]: SHUTDOWN & SANITIZING ***/
user_pref("_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!");
@ -809,7 +806,6 @@ user_pref("privacy.sanitize.timeSpan", 0);
1382545 - reduce fingerprinting in Animation API
1354633 - limit MediaError.message to a whitelist
FF58+
967895 - spoof canvas and enable site permission prompt (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
@ -925,7 +921,7 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow
/* 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); // [HIDDEN PREF in FF101 or lower]
// 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
@ -1053,6 +1049,7 @@ user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false]
// user_pref("browser.ssl_override_behavior", "");
// user_pref("devtools.chrome.enabled", "");
// user_pref("dom.disable_beforeunload", "");
// user_pref("dom.disable_open_during_load", "");
// user_pref("extensions.formautofill.available", "");
// user_pref("extensions.formautofill.addresses.supported", "");
// user_pref("extensions.formautofill.creditCards.available", "");
@ -1082,8 +1079,8 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
/* 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_256_sha", false);
// user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false); // [DEFAULT: false FF109+]
// user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false); // [DEFAULT: false FF109+]
// 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
@ -1097,7 +1094,7 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
/* 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); // [HIDDEN PREF in FF101 or lower]
// user_pref("security.ssl.disable_session_identifiers", true);
/* 7006: onions
* [WHY] Firefox doesn't support hidden services. Use Tor Browser ***/
// user_pref("dom.securecontext.allowlist_onions", true); // [FF97+] 1382359/1744006
@ -1146,8 +1143,7 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
// 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 (FF96+) with TCP (2701) behind a pref (2710)
* or blocked with TCP in 3rd parties (FF95 or lower) ***/
* [WHY] Already isolated with TCP (2701) behind a pref (2710) ***/
// user_pref("dom.serviceWorkers.enabled", false);
/* 7018: disable Web Notifications
* [WHY] Web Notifications are behind a prompt (7002)