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/** Session restore **/
user_pref("browser.startup.page", 3); // 0102: resume previous session
user_pref("privacy.clearOnShutdown_v2.browsingHistoryAndDownloads", false);
user_pref("privacy.clearOnShutdown_v2.historyFormDataAndDownloads", false); // FF128+
/** Search & URL bar **/
user_pref("keyword.enabled", true); // allow search from URL bar
user_pref("network.http.referer.XOriginPolicy", 0); // always send cross-origin referer
/** Passwords & autofill **/
user_pref("signon.rememberSignons", false);
user_pref("extensions.formautofill.addresses.enabled", false);
user_pref("extensions.formautofill.creditCards.enabled", false);
user_pref("extensions.formautofill.heuristics.enabled", false);
/** DRM **/
user_pref("browser.eme.ui.enabled", false); // hide DRM UI toggle
/** OpenH264 for WebRTC (MS Teams, any H.264-only conferencing) **/
// LibreWolf disables the GMP provider and the OpenH264 plugin, and pretends
// media.webrtc.hw.h264.enabled=true covers it. On Linux Mozilla's FFmpeg
// doesn't ship H.264 encode (patent policy), so Teams gets no usable encoder
// and remote participants see no video while local preview works.
// arkenfox 2020 deliberately leaves GMP alone; this aligns with arkenfox.
user_pref("media.gmp-provider.enabled", true);
user_pref("media.gmp-gmpopenh264.enabled", true);
user_pref("media.gmp-manager.url", "https://aus5.mozilla.org/update/3/GMP/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/update.xml");
/** Network **/
user_pref("network.dns.disableIPv6", false); // keep IPv6 enabled
/** Loopback callbacks (VPN/SSO clients like snx-rs, Forticlient) **/
// snx-rs and similar VPN clients land SAML callbacks on http://127.0.0.1:<port>/<token>.
// LibreWolf hardens beyond arkenfox by force-upgrading loopback to HTTPS and enabling
// LNA blocking; both break the plain-HTTP loopback handoff. Restoring stock Firefox /
// arkenfox behaviour for loopback only. arkenfox 1245 deliberately leaves upgrade_local
// commented out and does not touch network.lna.*. See LibreWolf issues #2954, #2962.
user_pref("dom.security.https_only_mode.upgrade_local", false);
user_pref("network.lna.local-network-to-localhost.skip-checks", true);
/** Resist Fingerprinting **/
user_pref("privacy.resistFingerprinting.testGranularityMask", 4);
user_pref("privacy.resistFingerprinting.exemptedDomains", "meet.google.com,teams.microsoft.com");
user_pref("privacy.resistFingerprinting.letterboxing", true);
user_pref("privacy.spoof_english", 2); // force English headers
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