diff --git a/user.js b/user.js index 048cc8d..3176eaa 100644 --- a/user.js +++ b/user.js @@ -16,7 +16,7 @@ * There are often trade-offs and conflicts between security vs privacy vs anti-fingerprinting and these need to be balanced against functionality & convenience & breakage * Some site breakage and unintended consequences will happen. Everyone's experience will differ - e.g. some user data is erased on close (section 2800), change this to suit your needs + e.g. some user data is erased on exit (section 2800), change this to suit your needs * While not 100% definitive, search for "[SETUP" tags e.g. third party images/videos not loading on some sites? check 1601 * Take the wiki link in step 2 and read the Troubleshooting entry @@ -55,7 +55,7 @@ 2400: DOM (DOCUMENT OBJECT MODEL) 2600: MISCELLANEOUS 2700: PERSISTENT STORAGE - 2800: SHUTDOWN + 2800: SHUTDOWN & SANITIZING 4000: FPI (FIRST PARTY ISOLATION) 4500: RFP (RESIST FINGERPRINTING) 5000: OPTIONAL OPSEC @@ -85,7 +85,7 @@ user_pref("_user.js.parrot", "0100 syntax error: the parrot's dead!"); user_pref("browser.shell.checkDefaultBrowser", false); /* 0102: set startup page [SETUP-CHROME] * 0=blank, 1=home, 2=last visited page, 3=resume previous session - * [NOTE] Session Restore is cleared with history (2803, 2804), and not used in Private Browsing mode + * [NOTE] Session Restore is cleared with history (2811, 2812), and not used in Private Browsing mode * [SETTING] General>Startup>Restore previous session ***/ user_pref("browser.startup.page", 0); /* 0103: set HOME+NEWWINDOW page @@ -380,7 +380,7 @@ user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false); // user_pref("browser.urlbar.suggest.engines", false); /* 0810: disable search and form history * [SETUP-WEB] Be aware that autocomplete form data can be read by third parties [1][2] - * [NOTE] We also clear formdata on exit (2803) + * [NOTE] We also clear formdata on exit (2811) * [SETTING] Privacy & Security>History>Custom Settings>Remember search and form history * [1] https://blog.mindedsecurity.com/2011/10/autocompleteagain.html * [2] https://bugzilla.mozilla.org/381681 ***/ @@ -398,7 +398,7 @@ user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+] /* 0820: disable coloring of visited links * [SETUP-HARDEN] Bulk rapid history sniffing was mitigated in 2010 [1][2]. Slower and more expensive * redraw timing attacks were largely mitigated in FF77+ [3]. Using RFP (4501) further hampers timing - * attacks. Don't forget clearing history on close (2803). However, social engineering [2#limits][4][5] + * attacks. Don't forget clearing history on exit (2811). However, social engineering [2#limits][4][5] * and advanced targeted timing attacks could still produce usable results * [1] https://developer.mozilla.org/docs/Web/CSS/Privacy_and_the_:visited_selector * [2] https://dbaron.org/mozilla/visited-privacy @@ -439,7 +439,7 @@ user_pref("network.http.windows-sso.enabled", false); // [DEFAULT: false] user_pref("_user.js.parrot", "1000 syntax error: the parrot's gone to meet 'is maker!"); /* 1001: disable disk cache * [SETUP-CHROME] If you think disk cache helps perf, then feel free to override this - * [NOTE] We also clear cache on exit (2803) ***/ + * [NOTE] We also clear cache on exit (2811) ***/ user_pref("browser.cache.disk.enable", false); /* 1002: disable media cache from writing to disk in Private Browsing * [NOTE] MSE (Media Source Extensions) are already stored in-memory in PB @@ -838,17 +838,6 @@ user_pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin * [1] https://blog.mozilla.org/security/2021/02/23/total-cookie-protection/ ***/ user_pref("network.cookie.cookieBehavior", 1); user_pref("browser.contentblocking.category", "custom"); -/* 2702: set third-party cookies (if enabled, see 2701) to session-only - * [NOTE] .sessionOnly overrides .nonsecureSessionOnly except when .sessionOnly=false and - * .nonsecureSessionOnly=true. This allows you to keep HTTPS cookies, but session-only HTTP ones - * [1] https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/ ***/ -user_pref("network.cookie.thirdparty.sessionOnly", true); -user_pref("network.cookie.thirdparty.nonsecureSessionOnly", true); // [FF58+] -/* 2703: delete cookies and site data on close - * 0=keep until they expire (default), 2=keep until you close Firefox - * [NOTE] The setting below is disabled (but not changed) if you block all cookies (2701 = 2) - * [SETTING] Privacy & Security>Cookies and Site Data>Delete cookies and site data when Firefox is closed ***/ - // user_pref("network.cookie.lifetimePolicy", 2); /* 2710: enable Enhanced Tracking Protection (ETP) in all windows * [SETTING] Privacy & Security>Enhanced Tracking Protection>Custom>Tracking content * [SETTING] to add site exceptions: Urlbar>ETP Shield @@ -859,7 +848,7 @@ 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] /* 2740: disable service worker cache and cache storage - * [NOTE] We clear service worker cache on exit (2803) + * [NOTE] We clear service worker cache on exit (2811) * [1] https://w3c.github.io/ServiceWorker/#privacy ***/ // user_pref("dom.caches.enabled", false); /* 2750: disable Storage API [FF51+] @@ -876,52 +865,67 @@ user_pref("privacy.trackingprotection.socialtracking.enabled", true); /* 2760: enable Local Storage Next Generation (LSNG) [FF65+] ***/ user_pref("dom.storage.next_gen", true); // [DEFAULT: true FF92+] -/*** [SECTION 2800]: SHUTDOWN - * Sanitizing on shutdown is all or nothing. It does not use Managed Exceptions under - Privacy & Security>Delete cookies and site data when Firefox is closed (1681701) - * If you want to keep some sites' cookies (exception as "Allow") and optionally other site - data but clear all the rest on close, then you need to set the "cookie" and optionally the - "offlineApps" prefs below to false, and to set the cookie lifetime pref to 2 (2703) -***/ +/*** [SECTION 2800]: SHUTDOWN & SANITIZING ***/ user_pref("_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!"); -/* 2802: enable Firefox to clear items on shutdown (2803) +/** COOKIES + SITE DATA : ALLOWS EXCEPTIONS ***/ +/* 2801: delete cookies and site data on exit + * 0=keep until they expire (default), 2=keep until you close Firefox + * [SETTING] Privacy & Security>Cookies and Site Data>Delete cookies and site data when Firefox is closed + * [SETTING] to add site exceptions: Ctrl+I>Permissions>Cookies>Allow + * If using FPI the syntax must be https://example.com/^firstPartyDomain=example.com + * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Settings ***/ +user_pref("network.cookie.lifetimePolicy", 2); +/* 2802: delete cache 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 ***/ + // user_pref("privacy.clearsitedata.cache.enabled", true); +/* 2803: set third-party cookies to session-only + * [NOTE] .sessionOnly overrides .nonsecureSessionOnly except when .sessionOnly=false and + * .nonsecureSessionOnly=true. This allows you to keep HTTPS cookies, but session-only HTTP ones + * [1] https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/ ***/ +user_pref("network.cookie.thirdparty.sessionOnly", true); +user_pref("network.cookie.thirdparty.nonsecureSessionOnly", true); // [FF58+] + +/** SANITIZE ON SHUTDOWN : ALL OR NOTHING ***/ +/* 2810: enable Firefox to clear items on shutdown (2811) * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes ***/ user_pref("privacy.sanitize.sanitizeOnShutdown", true); -/* 2803: set/enforce what items to clear on shutdown (if 2802 is true) [SETUP-CHROME] +/* 2811: set/enforce what items to clear on shutdown (if 2810 is true) [SETUP-CHROME] + * sanitizingOnShutdown is all or nothing, it does not allow exceptions (1681701) * [NOTE] If "history" is true, downloads will also be cleared * [NOTE] "sessions": Active Logins: refers to HTTP Basic Authentication [1], not logins via cookies * [NOTE] "offlineApps": Offline Website Data: localStorage, service worker cache, QuotaManager (IndexedDB, asm-cache) * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes>Settings * [1] https://en.wikipedia.org/wiki/Basic_access_authentication ***/ user_pref("privacy.clearOnShutdown.cache", true); // [DEFAULT: true] -user_pref("privacy.clearOnShutdown.cookies", true); // [DEFAULT: true] user_pref("privacy.clearOnShutdown.downloads", true); // [DEFAULT: true] user_pref("privacy.clearOnShutdown.formdata", true); // [DEFAULT: true] user_pref("privacy.clearOnShutdown.history", true); // [DEFAULT: true] user_pref("privacy.clearOnShutdown.sessions", true); // [DEFAULT: true] +user_pref("privacy.clearOnShutdown.cookies", false); user_pref("privacy.clearOnShutdown.offlineApps", true); // user_pref("privacy.clearOnShutdown.siteSettings", false); // [DEFAULT: false] Site Preferences -/* 2804: reset default items to clear with Ctrl-Shift-Del (to match 2803) [SETUP-CHROME] +/* 2812: reset default items to clear with Ctrl-Shift-Del (to match 2811) [SETUP-CHROME] * This dialog can also be accessed from the menu History>Clear Recent History * Firefox remembers your last choices. This will reset them when you start Firefox * [NOTE] Regardless of what you set "downloads" to, as soon as the dialog * for "Clear Recent History" is opened, it is synced to the same as "history" ***/ user_pref("privacy.cpd.cache", true); // [DEFAULT: true] -user_pref("privacy.cpd.cookies", true); // [DEFAULT: true] user_pref("privacy.cpd.formdata", true); // [DEFAULT: true] user_pref("privacy.cpd.history", true); // [DEFAULT: true] user_pref("privacy.cpd.sessions", true); // [DEFAULT: true] +user_pref("privacy.cpd.cookies", false); user_pref("privacy.cpd.offlineApps", true); // user_pref("privacy.cpd.downloads", true); // not used, see note above // user_pref("privacy.cpd.passwords", false); // [DEFAULT: false] this is not listed // user_pref("privacy.cpd.siteSettings", false); // [DEFAULT: false] Site Preferences -/* 2805: clear Session Restore data when sanitizing on shutdown or manually [FF34+] - * [NOTE] Not needed if Session Restore is not used (0102) or is already cleared with history (2803) +/* 2813: clear Session Restore data when sanitizing on shutdown or manually [FF34+] + * [NOTE] Not needed if Session Restore is not used (0102) or it is already cleared with history (2811) * [NOTE] privacy.clearOnShutdown.openWindows prevents resuming from crashes (also see 5008) * [NOTE] privacy.cpd.openWindows has a bug that causes an additional window to open ***/ // user_pref("privacy.clearOnShutdown.openWindows", true); // user_pref("privacy.cpd.openWindows", true); -/* 2806: reset default "Time range to clear" for "Clear Recent History" (2804) +/* 2814: reset default "Time range to clear" for "Clear Recent History" (2812) * Firefox remembers your last choice. This will reset the value when you start Firefox * 0=everything, 1=last hour, 2=last two hours, 3=last four hours, 4=today * [NOTE] Values 5 (last 5 minutes) and 6 (last 24 hours) are not listed in the dropdown, @@ -1117,7 +1121,7 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow /* 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 - * control that instead; e.g. disable history, clear history on close, use PB mode + * control that instead; e.g. disable history, clear history on exit, use PB mode * [NOTE] favicons.sqlite is sanitized on Firefox close ***/ // user_pref("browser.chrome.site_icons", false); /* 5007: exclude "Undo Closed Tabs" in Session Restore ***/ @@ -1141,7 +1145,7 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow * [1] https://support.mozilla.org/kb/address-bar-autocomplete-firefox#w_url-autocomplete ***/ // user_pref("browser.urlbar.autoFill", false); /* 5013: disable browsing and download history - * [NOTE] We also clear history and downloads on exit (2803) + * [NOTE] We also clear history and downloads on exit (2811) * [SETTING] Privacy & Security>History>Custom Settings>Remember browsing and download history ***/ // user_pref("places.history.enabled", false); /* 5014: disable Windows jumplist [WINDOWS] ***/