Quelle all.js Sprache: JAVA

// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// The prefs in this file are shipped with the GRE and should apply to all
// embedding situations. Application-specific preferences belong somewhere
// else, such as browser/app/profile/firefox.js or
// mobile/android/app/geckoview-prefs.js.
//
// NOTE: Not all prefs should be defined in this (or any other) data file.
// Static prefs are defined in StaticPrefList.yaml. Those prefs should *not*
// appear in this file.
//
// For the syntax used by this file, consult the comments at the top of
// modules/libpref/parser/src/lib.rs.
//
// Please indent all prefs defined within #ifdef/#ifndef conditions. This
// improves readability, particular for conditional blocks that exceed a single
// screen.

pref("security.tls.insecure_fallback_hosts", "");

pref("security.default_personal_cert",   "Ask Every Time");
pref("security.remember_cert_checkbox_default_setting", true);

// This preference controls what signature algorithms are accepted for signed
// apps (i.e. add-ons). The number is interpreted as a bit mask with the
// following semantic:
// The lowest order bit determines which PKCS#7 algorithms are accepted.
// xxx_0_: SHA-1 and/or SHA-256 PKCS#7 allowed
// xxx_1_: SHA-256 PKCS#7 allowed
// The next two bits determine whether COSE is required and PKCS#7 is allowed
// x_00_x: COSE disabled, ignore files, PKCS#7 must verify
// x_01_x: COSE is verified if present, PKCS#7 must verify
// x_10_x: COSE is required, PKCS#7 must verify if present
// x_11_x: COSE is required, PKCS#7 disabled (fail when present)
pref("security.signed_app_signatures.policy", 2);

pref("security.xfocsp.errorReporting.enabled", true);
pref("security.xfocsp.errorReporting.automatic", false);

// Issuer we use to detect MitM proxies. Set to the issuer of the cert of the
// Firefox update service. The string format is whatever NSS uses to print a DN.
// This value is set and cleared automatically.
pref("security.pki.mitm_canary_issuer", "");
// Pref to disable the MitM proxy checks.
pref("security.pki.mitm_canary_issuer.enabled", true);

// It is set to true when a non-built-in root certificate is detected on a
// Firefox update service's connection.
// This value is set automatically.
// The difference between security.pki.mitm_canary_issuer and this pref is that
// here the root is trusted but not a built-in, whereas for
// security.pki.mitm_canary_issuer.enabled, the root is not trusted.
pref("security.pki.mitm_detected", false);

// Intermediate CA Preloading settings
pref("security.remote_settings.intermediates.enabled", true);
pref("security.remote_settings.intermediates.downloads_per_poll", 5000);
pref("security.remote_settings.intermediates.parallel_downloads", 8);

#if defined(EARLY_BETA_OR_EARLIER) && !defined(MOZ_WIDGET_ANDROID)
  pref("security.remote_settings.crlite_filters.enabled", true);
#else
  pref("security.remote_settings.crlite_filters.enabled", false);
#endif

pref("security.osreauthenticator.blank_password", false);
pref("security.osreauthenticator.password_last_changed_lo", 0);
pref("security.osreauthenticator.password_last_changed_hi", 0);

pref("security.crash_tracking.js_load_1.prevCrashes", 0);
pref("security.crash_tracking.js_load_1.maxCrashes", 1);

pref("general.useragent.compatMode.firefox", false);

pref("general.config.obscure_value", 13); // for MCD .cfg files

#ifndef MOZ_BUILD_APP_IS_BROWSER
pref("general.warnOnAboutConfig", true);
#endif

// Whether middle button click with a modifier key starts to autoscroll or
// does nothing.
pref("general.autoscroll.prevent_to_start.shiftKey", true); // Shift
pref("general.autoscroll.prevent_to_start.ctrlKey", false); // Control
pref("general.autoscroll.prevent_to_start.altKey", false);  // Alt
// Command on macOS, Windows key on Windows or Super key on Linux
pref("general.autoscroll.prevent_to_start.metaKey", false);

// When this pref is set to true, middle click on non-editable content keeps
// selected range rather than collapsing selection at the clicked position.
// This behavior is incompatible with Chrome, so enabling this could cause
// breaking some web apps.
// Note that this pref is ignored when "general.autoScroll" is set to false
// or "middlemouse.paste" is set to true.  For the former case, there is no
// reason do be incompatible with Chrome.  For the latter case, the selection
// change is important for "paste" event listeners even if it's non-editable
// content.
pref("general.autoscroll.prevent_to_collapse_selection_by_middle_mouse_down", false);

// maximum number of dated backups to keep at any time
pref("browser.bookmarks.max_backups",       5);

pref("browser.cache.disk_cache_ssl",        true);
// The half life used to re-compute cache entries frecency in hours.
pref("browser.cache.frecency_half_life_hours", 6);

// Don't show "Open with" option on download dialog if true.
pref("browser.download.forbid_open_with", false);

// Enable indexedDB logging.
pref("dom.indexedDB.logging.enabled", true);
// Detailed output in log messages.
pref("dom.indexedDB.logging.details", true);
// Enable profiler marks for indexedDB events.
pref("dom.indexedDB.logging.profiler-marks", false);

// The number of workers per domain allowed to run concurrently.
// We're going for effectively infinite, while preventing abuse.
pref("dom.workers.maxPerDomain", 512);

// The amount of time (milliseconds) service workers keep running after each event.
pref("dom.serviceWorkers.idle_timeout", 30000);

// The amount of time (milliseconds) service workers can be kept running using waitUntil promises
// or executing "long-running" JS after the "idle_timeout" period has expired.
pref("dom.serviceWorkers.idle_extended_timeout", 30000);

// The amount of time (milliseconds) an update request is delayed when triggered
// by a service worker that doesn't control any clients.
pref("dom.serviceWorkers.update_delay", 1000);

// Enable test for 24 hours update, service workers will always treat last update check time is over 24 hours
pref("dom.serviceWorkers.testUpdateOverOneDay", false);

// Blacklist of domains of web apps which are not aware of strict keypress
// dispatching behavior.  This is comma separated list.  If you need to match
// all sub-domains, you can specify it as "*.example.com".  Additionally, you
// can limit the path.  E.g., "example.com/foo" means "example.com/foo*".  So,
// if you need to limit under a directory, the path should end with "/" like
// "example.com/foo/".  Note that this cannot limit port number for now.
pref("dom.keyboardevent.keypress.hack.dispatch_non_printable_keys", "www.icloud.com");
// Pref for end-users and policy to add additional values.
pref("dom.keyboardevent.keypress.hack.dispatch_non_printable_keys.addl", "");

// Blacklist of domains of web apps which handle keyCode and charCode of
// keypress events with a path only for Firefox (i.e., broken if we set
// non-zero keyCode or charCode value to the other).  The format is exactly
// same as "dom.keyboardevent.keypress.hack.dispatch_non_printable_keys". So,
// check its explanation for the detail.
pref("dom.keyboardevent.keypress.hack.use_legacy_keycode_and_charcode", "*.collabserv.com,*.gov.online.office365.us,*.officeapps-df.live.com,*.officeapps.live.com,*.online.office.de,*.partner.officewebapps.cn,*.scniris.com");
// Pref for end-users and policy to add additional values.
pref("dom.keyboardevent.keypress.hack.use_legacy_keycode_and_charcode.addl", "");

// Text recognition is a platform dependent feature, so even if this preference is
// enabled here, the feature may not be visible in all browsers.
pref("dom.text-recognition.enabled", true);

// Fastback caching - if this pref is negative, then we calculate the number
// of content viewers to cache based on the amount of available memory.
pref("browser.sessionhistory.max_total_viewers", -1);

// See http://whatwg.org/specs/web-apps/current-work/#ping
pref("browser.send_pings", false);
pref("browser.send_pings.max_per_link", 1);           // limit the number of pings that are sent per link click
pref("browser.send_pings.require_same_host", false);  // only send pings to the same host if this is true

pref("browser.helperApps.neverAsk.saveToDisk", "");
pref("browser.helperApps.neverAsk.openFile", "");
pref("browser.helperApps.deleteTempFileOnExit", false);

pref("browser.triple_click_selects_paragraph", true);

// Disable support for MathML
pref("mathml.disabled",    false);

// Enable scale transform for stretchy MathML operators. See bug 414277.
pref("mathml.scale_stretchy_operators.enabled", true);

// We'll throttle the download if the download rate is throttle-factor times
// the estimated playback rate, AND we satisfy the cache readahead_limit
// above. The estimated playback rate is time_duration/length_in_bytes.
// This means we'll only throttle the download if there's no concern that
// throttling would cause us to stop and buffer.
pref("media.throttle-factor", 2);

// Master HTML5 media volume scale.
pref("media.volume_scale", "1.0");

// Whether we should play videos opened in a "video document", i.e. videos
// opened as top-level documents, as opposed to inside a media element.
pref("media.play-stand-alone", true);

#ifdef MOZ_WMF
  pref("media.wmf.dxva.enabled", true);
  pref("media.wmf.play-stand-alone", true);
#endif

// GMP storage version number. At startup we check the version against
// media.gmp.storage.version.observed, and if the versions don't match,
// we clear storage and set media.gmp.storage.version.observed=expected.
// This provides a mechanism to clear GMP storage when non-compatible
// changes are made.
pref("media.gmp.storage.version.expected", 1);

// Filter what triggers user notifications.
// See DecoderDoctorDocumentWatcher::ReportAnalysis for details.
#ifdef NIGHTLY_BUILD
  pref("media.decoder-doctor.notifications-allowed", "MediaWMFNeeded,MediaWidevineNoWMF,MediaCannotInitializePulseAudio,MediaCannotPlayNoDecoders,MediaUnsupportedLibavcodec,MediaPlatformDecoderNotFound,MediaDecodeError");
#else
  pref("media.decoder-doctor.notifications-allowed", "MediaWMFNeeded,MediaWidevineNoWMF,MediaCannotInitializePulseAudio,MediaCannotPlayNoDecoders,MediaUnsupportedLibavcodec,MediaPlatformDecoderNotFound");
#endif
pref("media.decoder-doctor.decode-errors-allowed", "");
pref("media.decoder-doctor.decode-warnings-allowed", "");
// Whether we report partial failures.
pref("media.decoder-doctor.verbose", false);
// URL to report decode issues
pref("media.decoder-doctor.new-issue-endpoint", "https://webcompat.com/issues/new");

pref("media.videocontrols.picture-in-picture.enabled", false);
pref("media.videocontrols.picture-in-picture.display-text-tracks.enabled", true);
pref("media.videocontrols.picture-in-picture.video-toggle.enabled", false);
pref("media.videocontrols.picture-in-picture.video-toggle.always-show", false);
pref("media.videocontrols.picture-in-picture.video-toggle.min-video-secs", 45);
pref("media.videocontrols.picture-in-picture.video-toggle.position", "right");
pref("media.videocontrols.picture-in-picture.video-toggle.has-used", false);
pref("media.videocontrols.picture-in-picture.display-text-tracks.toggle.enabled", true);
pref("media.videocontrols.picture-in-picture.display-text-tracks.size", "medium");
pref("media.videocontrols.picture-in-picture.improved-video-controls.enabled", true);
pref("media.videocontrols.picture-in-picture.respect-disablePictureInPicture", true);
pref("media.videocontrols.keyboard-tab-to-all-controls", true);

#ifdef MOZ_WEBRTC
  pref("media.navigator.video.enabled", true);
  pref("media.navigator.video.default_fps",30);
  pref("media.navigator.video.use_remb", true);
  pref("media.navigator.video.use_transport_cc", true);
  pref("media.peerconnection.video.use_rtx", true);
  pref("media.peerconnection.video.use_rtx.blocklist", "doxy.me,*.doxy.me");
  pref("media.peerconnection.sdp.quirk.duplicate_fingerprint.allowlist", "");
  pref("media.navigator.video.use_tmmbr", false);
  pref("media.navigator.audio.use_fec", true);
  pref("media.navigator.video.offer_rtcp_rsize", true);

  #ifdef NIGHTLY_BUILD
    pref("media.peerconnection.sdp.parser", "sipcc");
    pref("media.peerconnection.sdp.alternate_parse_mode", "parallel");
    pref("media.peerconnection.sdp.strict_success", false);
    pref("media.navigator.video.red_ulpfec_enabled", true);
  #else
    pref("media.peerconnection.sdp.parser", "sipcc");
    pref("media.peerconnection.sdp.alternate_parse_mode", "never");
    pref("media.peerconnection.sdp.strict_success", false);
    pref("media.navigator.video.red_ulpfec_enabled", true);
  #endif

  pref("media.peerconnection.sdp.disable_stereo_fmtp", false);
  pref("media.webrtc.debug.log_file", "");

  pref("media.navigator.video.default_width",0);  // adaptive default
  pref("media.navigator.video.default_height",0); // adaptive default
  pref("media.navigator.video.max_fs", 12288); // Enough for 2048x1536
  pref("media.navigator.video.max_fr", 60);
  #ifdef NIGHTLY_BUILD
    pref("media.navigator.video.disable_h264_baseline", false);
  #else
    pref("media.navigator.video.disable_h264_baseline", true);
  #endif
  pref("media.navigator.video.h264.level", 31); // 0x42E01f - level 3.1
  pref("media.navigator.video.h264.max_br", 0);
  pref("media.navigator.video.h264.max_mbps", 0);
  pref("media.peerconnection.video.vp9_enabled", true);
  pref("media.peerconnection.video.vp9_preferred", false);
  pref("media.getusermedia.audio.max_channels", 0);
  #if defined(ANDROID)
    pref("media.getusermedia.camera.off_while_disabled.enabled", false);
    pref("media.getusermedia.microphone.off_while_disabled.enabled", false);
  #else
    pref("media.getusermedia.camera.off_while_disabled.enabled", true);
    pref("media.getusermedia.microphone.off_while_disabled.enabled", false);
  #endif
  pref("media.getusermedia.camera.off_while_disabled.delay_ms", 3000);
  pref("media.getusermedia.microphone.off_while_disabled.delay_ms", 3000);
  // Desktop is typically VGA capture or more; and qm_select will not drop resolution
  // below 1/2 in each dimension (or so), so QVGA (320x200) is the lowest here usually.
  pref("media.peerconnection.video.min_bitrate", 0);
  pref("media.peerconnection.video.start_bitrate", 0);
  pref("media.peerconnection.video.max_bitrate", 0);
  pref("media.peerconnection.video.min_bitrate_estimate", 0);
  pref("media.peerconnection.video.denoising", false);
  pref("media.navigator.audio.fake_frequency", 1000);
  pref("media.navigator.permission.disabled", false);
  pref("media.navigator.streams.fake", false);
  pref("media.peerconnection.default_iceservers", "[]");
  pref("media.peerconnection.allow_old_setParameters", true);
  pref("media.peerconnection.ice.loopback", false); // Set only for testing in offline environments.
  pref("media.peerconnection.ice.tcp", true);
  pref("media.peerconnection.ice.tcp_so_sock_count", 0); // Disable SO gathering
  pref("media.peerconnection.ice.link_local", false); // Set only for testing IPV6 in networks that don't assign IPV6 addresses
  pref("media.peerconnection.ice.force_interface", ""); // Limit to only a single interface
  pref("media.peerconnection.ice.relay_only", false); // Limit candidates to TURN
  pref("media.peerconnection.use_document_iceservers", true);

  pref("media.peerconnection.identity.timeout", 10000);
  pref("media.peerconnection.ice.stun_client_maximum_transmits", 7);
  pref("media.peerconnection.ice.trickle_grace_period", 5000);
  pref("media.peerconnection.ice.no_host", false);
  pref("media.peerconnection.ice.default_address_only", false);
  // See Bug 1581947 for Android hostname obfuscation
  #if defined(MOZ_WIDGET_ANDROID)
    pref("media.peerconnection.ice.obfuscate_host_addresses", false);
  #else
    pref("media.peerconnection.ice.obfuscate_host_addresses", true);
  #endif
  pref("media.peerconnection.ice.obfuscate_host_addresses.blocklist", "");
  pref("media.peerconnection.ice.proxy_only_if_behind_proxy", false);
  pref("media.peerconnection.ice.proxy_only", false);
  pref("media.peerconnection.ice.proxy_only_if_pbmode", false);
  pref("media.peerconnection.turn.disable", false);
  pref("media.peerconnection.treat_warnings_as_errors", false);
  #ifdef NIGHTLY_BUILD
    pref("media.peerconnection.description.legacy.enabled", false);
  #else
    pref("media.peerconnection.description.legacy.enabled", true);
  #endif

  // 770 = DTLS 1.0, 771 = DTLS 1.2, 772 = DTLS 1.3
  pref("media.peerconnection.dtls.version.min", 771);
  pref("media.peerconnection.dtls.version.max", 772);

#if defined(XP_MACOSX)
  pref("media.getusermedia.audio.processing.platform.enabled", true);
#else
  pref("media.getusermedia.audio.processing.platform.enabled", false);
#endif
  // These values (aec, agc, and noise) are from:
  // third_party/libwebrtc/modules/audio_processing/include/audio_processing.h
  pref("media.getusermedia.audio.processing.aec.enabled", true);
  pref("media.getusermedia.audio.processing.aec", 1); // kModerateSuppression
  pref("media.getusermedia.audio.processing.aec.mobile", false);
  pref("media.getusermedia.audio.processing.noise.enabled", true);
  pref("media.getusermedia.audio.processing.noise", 2); // kHigh
  pref("media.getusermedia.audio.processing.agc.enabled", true);
  pref("media.getusermedia.audio.processing.agc", 1); // kAdaptiveDigital
  pref("media.getusermedia.audio.processing.agc2.forced", true);
  pref("media.getusermedia.audio.processing.hpf.enabled", true);
  pref("media.getusermedia.audio.processing.transient.enabled", true);
#endif // MOZ_WEBRTC

#if !defined(ANDROID)
  pref("media.getusermedia.screensharing.enabled", true);
#endif

pref("media.getusermedia.audio.capture.enabled", false);

// WebVTT debug logging.
pref("media.webvtt.debug.logging", false);

// Whether to allow recording of AudioNodes with MediaRecorder
pref("media.recorder.audio_node.enabled", false);

// Whether MediaRecorder's video encoder should allow dropping frames in order
// to keep up under load. Useful for tests but beware of memory consumption!
pref("media.recorder.video.frame_drops", true);

// The default number of decoded video frames that are enqueued in
// MediaDecoderReader's mVideoQueue.
pref("media.video-queue.default-size", 10);

// The maximum number of queued frames to send to the compositor.
// By default, send all of them.
pref("media.video-queue.send-to-compositor-size", 9999);

pref("media.cubeb.output_voice_routing", true);

// APZ preferences. For documentation/details on what these prefs do, check
// gfx/layers/apz/src/AsyncPanZoomController.cpp.
pref("apz.overscroll.stop_velocity_threshold", "0.01");
pref("apz.overscroll.stretch_factor", "0.35");

pref("apz.zoom-to-focused-input.enabled", true);

pref("formhelper.autozoom.force-disable.test-only", false);

#ifdef XP_MACOSX
  // Whether to run in native HiDPI mode on machines with "Retina"/HiDPI
  // display.
  //   <= 0 : hidpi mode disabled, display will just use pixel-based upscaling.
  //   == 1 : hidpi supported if all screens share the same backingScaleFactor.
  //   >= 2 : hidpi supported even with mixed backingScaleFactors (somewhat
  //          broken).
  pref("gfx.hidpi.enabled", 2);
#endif

pref("gfx.downloadable_fonts.enabled", true);
pref("gfx.downloadable_fonts.fallback_delay", 3000);
pref("gfx.downloadable_fonts.fallback_delay_short", 100);

#ifdef XP_WIN
  pref("gfx.font_rendering.directwrite.use_gdi_table_loading", true);
#endif

#if defined(XP_WIN)
  // comma separated list of backends to use in order of preference
  // e.g., pref("gfx.canvas.azure.backends", "direct2d,skia");
  pref("gfx.canvas.azure.backends", "direct2d1.1,skia");
#elif defined(XP_MACOSX)
  pref("gfx.canvas.azure.backends", "skia");
#else
  pref("gfx.canvas.azure.backends", "skia");
#endif
pref("gfx.content.azure.backends", "skia");

#ifdef XP_WIN
  pref("gfx.webrender.flip-sequential", false);
  pref("gfx.webrender.dcomp-win.enabled", true);
  pref("gfx.webrender.triple-buffering.enabled", true);
#endif

// WebRender debugging utilities.
pref("gfx.webrender.debug.texture-cache", false);
pref("gfx.webrender.debug.texture-cache.clear-evicted", true);
pref("gfx.webrender.debug.render-targets", false);
pref("gfx.webrender.debug.gpu-cache", false);
pref("gfx.webrender.debug.alpha-primitives", false);
pref("gfx.webrender.debug.profiler", false);
pref("gfx.webrender.debug.gpu-time-queries", false);
pref("gfx.webrender.debug.gpu-sample-queries", false);
pref("gfx.webrender.debug.disable-batching", false);
pref("gfx.webrender.debug.epochs", false);
pref("gfx.webrender.debug.echo-driver-messages", false);
pref("gfx.webrender.debug.show-overdraw", false);
pref("gfx.webrender.debug.slow-frame-indicator", false);
pref("gfx.webrender.debug.picture-caching", false);
pref("gfx.webrender.debug.picture-borders", false);
pref("gfx.webrender.debug.force-picture-invalidation", false);
pref("gfx.webrender.debug.primitives", false);
pref("gfx.webrender.debug.small-screen", false);
pref("gfx.webrender.debug.obscure-images", false);
pref("gfx.webrender.debug.glyph-flashing", false);
pref("gfx.webrender.debug.capture-profiler", false);
pref("gfx.webrender.debug.profiler-ui", "Default");
pref("gfx.webrender.debug.window-visibility", false);

pref("gfx.webrender.multithreading", true);
#ifdef XP_WIN
pref("gfx.webrender.pbo-uploads", false);
pref("gfx.webrender.batched-texture-uploads", true);
pref("gfx.webrender.draw-calls-for-texture-copy", true);
#else
pref("gfx.webrender.pbo-uploads", true);
pref("gfx.webrender.batched-texture-uploads", false);
pref("gfx.webrender.draw-calls-for-texture-copy", false);
#endif

pref("accessibility.warn_on_browsewithcaret", true);

pref("accessibility.browsewithcaret_shortcut.enabled", true);

// We follow the "Click in the scrollbar to:" system preference on OS X and
// "gtk-primary-button-warps-slider" property with GTK (since 2.24 / 3.6),
// unless this preference is explicitly set.
#if !defined(XP_MACOSX) && !defined(MOZ_WIDGET_GTK)
  pref("ui.scrollToClick", 0);
#endif

// These are some selection-related colors which have no per platform
// implementation.
#if !defined(XP_MACOSX)
pref("ui.textSelectDisabledBackground", "#b0b0b0");
#endif

// This makes the selection stand out when typeaheadfind is on.
// Used with nsISelectionController::SELECTION_ATTENTION
pref("ui.textSelectAttentionBackground", "#38d878");
pref("ui.textSelectAttentionForeground", "#ffffff");

// This makes the matched text stand out when findbar highlighting is on.
// Used with nsISelectionController::SELECTION_FIND
pref("ui.textHighlightBackground", "#ef0fff");
// The foreground color for the matched text in findbar highlighting
// Used with nsISelectionController::SELECTION_FIND
pref("ui.textHighlightForeground", "#ffffff");

// We want the ability to forcibly disable platform a11y, because
// some non-a11y-related components attempt to bring it up.  See bug
// 538530 for details about Windows; we have a pref here that allows it
// to be disabled for performance and testing resons.
// See bug 761589 for the crossplatform aspect.
//
// This pref is checked only once, and the browser needs a restart to
// pick up any changes.
//
// Values are -1 always on. 1 always off, 0 is auto as some platform perform
// further checks.
pref("accessibility.force_disabled", 0);

pref("focusmanager.testmode", false);

// Type Ahead Find
pref("accessibility.typeaheadfind", true);
// Enable FAYT by pressing / or "
pref("accessibility.typeaheadfind.manual", true);
pref("accessibility.typeaheadfind.autostart", true);
// casesensitive: controls the find bar's case-sensitivity
//     0 - "never"  (case-insensitive)
//     1 - "always" (case-sensitive)
// other - "auto"   (case-sensitive for mixed-case input, insensitive otherwise)
pref("accessibility.typeaheadfind.casesensitive", 0);
pref("accessibility.typeaheadfind.linksonly", true);
pref("accessibility.typeaheadfind.startlinksonly", false);
// timeout: controls the delay in milliseconds after which the quick-find dialog will close
//          if no further keystrokes are pressed
//              set to a zero or negative value to keep dialog open until it's manually closed
pref("accessibility.typeaheadfind.timeout", 4000);
pref("accessibility.typeaheadfind.soundURL", "beep");
pref("accessibility.typeaheadfind.wrappedSoundURL", "");
pref("accessibility.typeaheadfind.enablesound", true);
#ifdef XP_MACOSX
  pref("accessibility.typeaheadfind.prefillwithselection", false);
#else
  pref("accessibility.typeaheadfind.prefillwithselection", true);
#endif
pref("accessibility.typeaheadfind.matchesCountLimit", 1000);
pref("findbar.highlightAll", false);
pref("findbar.entireword", false);
pref("findbar.iteratorTimeout", 100);
// matchdiacritics: controls the find bar's diacritic matching
//     0 - "never"  (ignore diacritics)
//     1 - "always" (match diacritics)
// other - "auto"   (match diacritics if input has diacritics, ignore otherwise)
pref("findbar.matchdiacritics", 0);
pref("findbar.modalHighlight", false);

// use Mac OS X Appearance panel text smoothing setting when rendering text, disabled by default
pref("gfx.use_text_smoothing_setting", false);

// Number of characters to consider emphasizing for rich autocomplete results
pref("toolkit.autocomplete.richBoundaryCutoff", 200);

pref("toolkit.scrollbox.scrollIncrement", 20);
pref("toolkit.scrollbox.clickToScroll.scrollDelay", 150);

pref("toolkit.shopping.ohttpConfigURL", "https://prod.ohttp-gateway.prod.webservices.mozgcp.net/ohttp-configs");
pref("toolkit.shopping.ohttpRelayURL", "https://mozilla-ohttp.fastly-edge.com/");
pref("toolkit.shopping.environment", "prod");

// Controls logging for Sqlite.sys.mjs.
pref("toolkit.sqlitejsm.loglevel", "Error");

pref("toolkit.tabbox.switchByScrolling", false);

// Telemetry settings.
// Server to submit telemetry pings to.
pref("toolkit.telemetry.server", "https://incoming.telemetry.mozilla.org");
// Telemetry server owner. Please change if you set toolkit.telemetry.server to a different server
pref("toolkit.telemetry.server_owner", "Mozilla");
// Determines whether full SQL strings are returned when they might contain sensitive info
// i.e. dynamically constructed SQL strings or SQL executed by addons against addon DBs
pref("toolkit.telemetry.debugSlowSql", false);
// Whether to use the unified telemetry behavior, requires a restart.
pref("toolkit.telemetry.unified", true);

// DAP related preferences
pref("toolkit.telemetry.dap_enabled", false);
pref("toolkit.telemetry.dap.logLevel", "Warn");
// Verification tasks
pref("toolkit.telemetry.dap_task1_enabled", false);
pref("toolkit.telemetry.dap_task1_taskid", "");
// URL visit counting
pref("toolkit.telemetry.dap_visit_counting_enabled", false);
// Note: format of patterns is "<proto>://<host>/<path>"
// See https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Match_patterns
pref("toolkit.telemetry.dap_visit_counting_experiment_list", "[]");
// DAP protocol Leader endpoint. Operated by DivviUp/ISRG.
// - HPKE key is base64url-encoded response of the /hpke_config path on server.
pref("toolkit.telemetry.dap.leader.url", "https://dap-09-3.api.divviup.org");
pref("toolkit.telemetry.dap.leader.hpke", "ACkAACAAAQABACDk8wgwe2-TqHyaL74uqjVWMcF1zi9pxiwQhu4aPwncYw");
// DAP protocol Helper endpoint. Operated by Mozilla.
// - HPKE key is base64url-encoded response of the /hpke_config path on server.
pref("toolkit.telemetry.dap.helper.url", "https://dap.services.mozilla.com");
pref("toolkit.telemetry.dap.helper.hpke", "ACkAACAAAQABACAucqWdIQRN6BxumPBRXIlg2JsxcznwWX7vyqzM3cjuQA");

// Controls telemetry logs for the Translations feature throughout Firefox.
pref("toolkit.telemetry.translations.logLevel", "Error");

// pref for mozilla to induce a new ping from users. This value should only ever be increased
// and doing so will induce a new data ping from all users, so be careful. Mozilla may edit
// this pref via our remote update/experimentation system
pref("toolkit.telemetry.user_characteristics_ping.current_version", 0);
// pref containing the value for the user of the last version of the ping we sent
pref("toolkit.telemetry.user_characteristics_ping.last_version_sent", 0);
// if a user wants to disable this type of ping explicitly, set this to true
// firefox/mozilla will not modify this value.
pref("toolkit.telemetry.user_characteristics_ping.opt-out", false);
// if a user wants to send a single ping of this type, they can set it
// to true. It will be set to false again after a successfull ping.
pref("toolkit.telemetry.user_characteristics_ping.send-once", false);
// A unique identifier for the user characteristics ping. This is not the same as
// the telemetry client id (which is not sent in this ping), it is cleared when a
// user opts-out of telemetry, it is set upon first telemetry submission
pref("toolkit.telemetry.user_characteristics_ping.uuid", "");
pref("toolkit.telemetry.user_characteristics_ping.logLevel", "Warn");

// AsyncShutdown delay before crashing in case of shutdown freeze
// ASan, TSan and code coverage builds can be considerably slower. Extend the
// grace period for both the asyncshutdown and the terminator.
#if defined(MOZ_ASAN)
  pref("toolkit.asyncshutdown.crash_timeout", 300000); // 5 minutes
#elif defined(MOZ_TSAN)
  pref("toolkit.asyncshutdown.crash_timeout", 360000); // 6 minutes
#elif defined(MOZ_CODE_COVERAGE)
  pref("toolkit.asyncshutdown.crash_timeout", 180000); // 3 minutes
#else
  pref("toolkit.asyncshutdown.crash_timeout", 60000); // 1 minute
#endif // !defined(MOZ_ASAN) && !defined(MOZ_TSAN)
// Extra logging for AsyncShutdown barriers and phases
pref("toolkit.asyncshutdown.log", false);

// Enable JS dump() function.
// IMPORTANT: These prefs must be here even though they're also defined in
// StaticPrefList.yaml. They are required because MOZILLA_OFFICIAL is false in
// local full builds but true in artifact builds. Without these definitions
// here, dumping is disabled in artifact builds (see Bug 1490412).
#ifdef MOZILLA_OFFICIAL
  pref("browser.dom.window.dump.enabled", false, sticky);
  pref("devtools.console.stdout.chrome", false, sticky);
#else
  pref("browser.dom.window.dump.enabled", true, sticky);
  pref("devtools.console.stdout.chrome", true, sticky);
#endif

pref("devtools.console.stdout.content", false, sticky);

// Controls whether EventEmitter module throws dump message on each emit
pref("toolkit.dump.emit", false);

// Preferences for the new performance panel. Note that some preferences are duplicated
// with a ".remote" postfix. This is because we have one set of preference for local
// profiling, and a second set for remote profiling.

// This pref configures the base URL for the profiler.firefox.com instance to
// use. This is useful so that a developer can change it while working on
// profiler.firefox.com, or in tests. This isn't exposed directly to the user.
pref("devtools.performance.recording.ui-base-url", "https://profiler.firefox.com");
// When gathering profiles from child processes, this is the longest time (in
// seconds) allowed between two responses. 0 = Use internal default.
pref("devtools.performance.recording.child.timeout_s", 0);
// The popup is only enabled by default on Nightly, Dev Edition, and debug buildsd since
// it's a developer focused item. It can still be enabled by going to profiler.firefox.com,
// but by default it is off on Release and Beta. Note that this only adds it to the
// the customization palette, not to the navbar.
#if defined(NIGHTLY_BUILD) || defined(MOZ_DEV_EDITION) || defined(DEBUG)
  pref("devtools.performance.popup.feature-flag", true);
#else
  pref("devtools.performance.popup.feature-flag", false);
#endif
// The preset to use for the recording settings. If set to "custom" then the pref
// values below will be used.
#if defined(NIGHTLY_BUILD) || !defined(MOZILLA_OFFICIAL)
  // Use a more advanced preset on Nightly and local builds.
  pref("devtools.performance.recording.preset", "firefox-platform");
  pref("devtools.performance.recording.preset.remote", "firefox-platform");
#else
  pref("devtools.performance.recording.preset", "web-developer");
  pref("devtools.performance.recording.preset.remote", "web-developer");
#endif
// The profiler's active tab view has a few issues. Disable it until the issues
// are ironed out.
pref("devtools.performance.recording.active-tab-view.enabled", false);
// Profiler buffer size. It is the maximum number of 8-bytes entries in the
// profiler's buffer. 10000000 is ~80mb.
pref("devtools.performance.recording.entries", 10000000);
pref("devtools.performance.recording.entries.remote", 10000000);
// Profiler interval in microseconds. 1000µs is 1ms
pref("devtools.performance.recording.interval", 1000);
pref("devtools.performance.recording.interval.remote", 1000);
// Profiler duration of entries in the profiler's buffer in seconds.
// `0` means no time limit for the markers, they roll off naturally from the
// circular buffer.
pref("devtools.performance.recording.duration", 0);
pref("devtools.performance.recording.duration.remote", 0);
// Profiler feature set. See tools/profiler/core/platform.cpp for features and
// explanations. Remote profiling also includes the java feature by default.
// If the remote debuggee isn't an Android phone, then this feature will
// be ignored.
pref("devtools.performance.recording.features", "[\"js\",\"stackwalk\",\"cpu\",\"screenshots\",\"memory\"]");
pref("devtools.performance.recording.features.remote", "[\"js\",\"stackwalk\",\"cpu\",\"screenshots\",\"memory\",\"java\"]");
// Threads to be captured by the profiler.
pref("devtools.performance.recording.threads", "[\"GeckoMain\",\"Compositor\",\"Renderer\"]");
pref("devtools.performance.recording.threads.remote", "[\"GeckoMain\",\"Compositor\",\"Renderer\"]");
// A JSON array of strings, where each string is a file path to an objdir on
// the host machine. This is used in order to look up symbol information from
// build artifacts of local builds.
pref("devtools.performance.recording.objdirs", "[]");
pref("devtools.performance.recording.power.external-url", "");
pref("devtools.performance.recording.markers.external-url", "");
// The popup will display some introductory text the first time it is displayed.
pref("devtools.performance.popup.intro-displayed", false);

// Compatibility preferences
// Stringified array of target browsers that users investigate.
pref("devtools.inspector.compatibility.target-browsers", "");

// view source
pref("view_source.editor.path", "");
// allows to add further arguments to the editor; use the %LINE% placeholder
// for jumping to a specific line (e.g. "/line:%LINE%" or "--goto %LINE%")
pref("view_source.editor.args", "");

// whether or not to draw images while dragging
pref("nglayout.enable_drag_images", true);

// URI fixup prefs
pref("browser.fixup.alternate.prefix", "www.");
pref("browser.fixup.alternate.protocol", "https");
pref("browser.fixup.alternate.suffix", ".com");
pref("browser.fixup.fallback-to-https", true);

// NOTE: On most platforms we save print settins to prefs with the name of the
// printer in the pref name (Android being the notable exception, where prefs
// are saved "globally" without a printer name in the pref name).  For those
// platforms, the prefs below simply act as default values for when we
// encounter a printer for the first time, but only a subset of prefs will be
// used in this case.  See nsPrintSettingsService::InitPrintSettingsFromPrefs
// for the restrictions on which prefs can act as defaults.

// Whether we directly use the system print dialog to collect the user's print
// settings rather than using the tab-modal print preview dialog.
// Note: `print.always_print_silent` overrides this.
pref("print.prefer_system_dialog", false);

// Print/Preview Shrink-To-Fit won't shrink below 20% for text-ish documents.
pref("print.shrink-to-fit.scale-limit-percent", 20);

// Whether or not to force the Page Setup submenu of the File menu to shown
pref("print.show_page_setup_menu", false);

// Print header customization
// Use the following codes:
// &T - Title
// &U - Document URL
// &D - Date/Time
// &P - Page Number
// &PT - Page Number "of" Page total
// Set each header to a string containing zero or one of these codes
// and the code will be replaced in that string by the corresponding data
pref("print.print_headerleft", "&T");
pref("print.print_headercenter", "");
pref("print.print_headerright", "&U");
pref("print.print_footerleft", "&PT");
pref("print.print_footercenter", "");
pref("print.print_footerright", "&D");

// A list of comma separated key:value pairs, so:
//
//   key1:value1,key2:value2
//
// Which allows testing extra CUPS-related printer settings for monochrome
// printing.
pref("print.cups.monochrome.extra_settings", "");

// xxxbsmedberg: more toolkit prefs

// Save the Printings after each print job
pref("print.save_print_settings", true);

// Enables the "more settings" in Print Preview to match previous
// configuration.
pref("print.more-settings.open", false);

// Enables you to specify a user unwriteable margin, if a printer's actual
// unwriteable margin is greater than this the printer one will be used.
// This is used by both Printing and Print Preview
// Units are in 1/100ths of an inch.
pref("print.print_edge_top", 0);
pref("print.print_edge_left", 0);
pref("print.print_edge_right", 0);
pref("print.print_edge_bottom", 0);

// Should this just be checking for MOZ_WIDGET_GTK?
#if defined(ANDROID) || defined(XP_UNIX) && !defined(XP_MACOSX)
  pref("print.print_reversed", false);
  // This is the default. Probably just remove this.
  pref("print.print_in_color", true);
#endif

// Scripts & Windows prefs
pref("dom.beforeunload_timeout_ms",         1000);
pref("dom.disable_window_flip",             false);
pref("dom.disable_window_move_resize",      false);

pref("dom.allow_scripts_to_close_windows",          false);

// List of urls for which mutation events are enabled even if mutation events
// in general are disabled. See nsContentUtils::IsURIInPrefList.
pref("dom.mutation_events.forceEnable", "");

pref("dom.popup_allowed_events", "change click dblclick auxclick mousedown mouseup pointerdown pointerup notificationclick reset submit touchend contextmenu");

pref("dom.serviceWorkers.disable_open_click_delay", 1000);

pref("dom.storage.shadow_writes", false);
pref("dom.storage.snapshot_prefill", 16384);
pref("dom.storage.snapshot_gradual_prefill", 4096);
pref("dom.storage.snapshot_reusing", true);
pref("dom.storage.client_validation", true);

// Enable time picker UI. By default, disabled.
pref("dom.forms.datetime.timepicker", false);

// Enable search in <select> dropdowns (more than 40 options)
pref("dom.forms.selectSearch", false);
// Allow for webpages to provide custom styling for <select>
// popups.
//
// Disabled on GTK (originally due to bug 1338283, but not enabled since, and
// native appearance might be preferred).
// Disabled on macOS because native appearance is preferred, see bug 1703866.
#if defined(MOZ_WIDGET_GTK) || defined(XP_MACOSX)
  pref("dom.forms.select.customstyling", false);
#else
  pref("dom.forms.select.customstyling", true);
#endif

pref("dom.cycle_collector.incremental", true);

// List of domains exempted from RFP. The list is comma separated domain list.
pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");

// If privacy.fingerprintingProtection is enabled, this pref can be used to add
// or remove features from its effects
pref("privacy.fingerprintingProtection.overrides", "");

// If privacy.fingerprintingProtection is enabled, this pref can be used to add
// or remove features on a domain granular level.
pref("privacy.fingerprintingProtection.granularOverrides", "");

// Fix cookie blocking breakage by providing ephemeral Paritioned LocalStorage
// for a list of hosts when detected as trackers.
// (See nsICookieService::BEHAVIOR_REJECT_TRACKER cookie behavior)
// See: Bug 1505212, Bug 1659394, Bug 1631811, Bug 1665035.
pref("privacy.restrict3rdpartystorage.partitionedHosts", "accounts.google.com/o/oauth2/,d35nw2lg0ahg0v.cloudfront.net/,datastudio.google.com/embed/reporting/,d3qlaywcwingl6.cloudfront.net/");

// If a host is contained in this pref list, user-interaction is required
// before granting the storage access permission.
pref("privacy.restrict3rdpartystorage.userInteractionRequiredForHosts", "");

// The url decoration tokens used to for stripping document referrers based on.
// A list separated by spaces.  This pref isn't meant to be changed by users.
pref("privacy.restrict3rdpartystorage.url_decorations", "");

// Excessive reporting of blocked popups can be a DOS vector,
// by overloading the main process as popups get blocked and when
// users try to restore all popups, which is the most visible
// option in our UI at the time of writing.
// We will invisibly drop any popups from a page that has already
// opened more than this number of popups.
pref("privacy.popups.maxReported", 100);

// Purging first-party tracking cookies.
pref("privacy.purge_trackers.enabled", true);
#ifdef NIGHTLY_BUILD
  pref("privacy.purge_trackers.logging.level", "Warn");
#else
  pref("privacy.purge_trackers.logging.level", "Error");
#endif

// Allowable amount of cookies to purge in a batch.
pref("privacy.purge_trackers.max_purge_count", 100);

// Whether purging should not clear data from domains
// that are associated with other domains which have
// user interaction (even if they don't have user
// interaction directly).
pref("privacy.purge_trackers.consider_entity_list", false);

pref("dom.event.contextmenu.enabled",       true);

pref("javascript.enabled",                  true);
pref("javascript.options.wasm",                   true);
pref("javascript.options.wasm_trustedprincipals", true);
pref("javascript.options.wasm_verbose",           false);
pref("javascript.options.wasm_baselinejit",       true);

pref("javascript.options.asyncstack", true);
// Broadly capturing async stack data adds overhead that is only advisable for
// developers, so we only enable it when the devtools are open, by default.
pref("javascript.options.asyncstack_capture_debuggee_only", true);

// This preference instructs the JS engine to discard the
// source of any privileged JS after compilation. This saves
// memory, but makes things like Function.prototype.toSource()
// fail.
pref("javascript.options.discardSystemSource", false);

// Many of the the following preferences tune the SpiderMonkey GC, if you
// change the defaults here please also consider changing them in
// js/src/jsgc.cpp.  They're documented in js/src/jsapi.h.

// JSGC_MAX_BYTES
// SpiderMonkey defaults to 2^32-1 bytes, but this is measured in MB so that
// cannot be represented directly in order to show it in about:config.
pref("javascript.options.mem.max", -1);

// JSGC_MIN_NURSERY_BYTES / JSGC_MAX_NURSERY_BYTES
pref("javascript.options.mem.nursery.min_kb", 256);
pref("javascript.options.mem.nursery.max_kb", 65536);

// JSGC_MODE
pref("javascript.options.mem.gc_per_zone", true);
pref("javascript.options.mem.gc_incremental", true);

// JSGC_INCREMENTAL_WEAKMAP_ENABLED
pref("javascript.options.mem.incremental_weakmap", true);

// JSGC_SLICE_TIME_BUDGET_MS
// Override the shell's default of unlimited slice time.
pref("javascript.options.mem.gc_incremental_slice_ms", 5);

// JSGC_COMPACTING_ENABLED
pref("javascript.options.mem.gc_compacting", true);

// JSGC_NURSERY_ENABLED
pref("javascript.options.mem.gc_generational", true);

#ifdef NIGHTLY_BUILD
// JSGC_SEMISPACE_NURSERY_ENABLED
pref("javascript.options.mem.gc_experimental_semispace_nursery", false);
#endif

// JSGC_PARALLEL_MARKING_ENABLED
// This only applies to the main runtime and does not affect workers.
#ifndef ANDROID
pref("javascript.options.mem.gc_parallel_marking", true);
#else
pref("javascript.options.mem.gc_parallel_marking", false);
#endif

// JSGC_PARALLEL_MARKING_THRESHOLD_MB
// Minimum heap size at which to use parallel marking, if enabled.
#if defined(XP_WIN)
pref("javascript.options.mem.gc_parallel_marking_threshold_mb", 8);
#elif defined(XP_MACOSX)
pref("javascript.options.mem.gc_parallel_marking_threshold_mb", 4);
#elif defined(ANDROID)
pref("javascript.options.mem.gc_parallel_marking_threshold_mb", 16);
#elif defined(XP_UNIX)
pref("javascript.options.mem.gc_parallel_marking_threshold_mb", 16);
#endif

// JSGC_MAX_MARKING_THREADS
pref("javascript.options.mem.gc_max_parallel_marking_threads", 2);

// JSGC_HIGH_FREQUENCY_TIME_LIMIT
pref("javascript.options.mem.gc_high_frequency_time_limit_ms", 1000);

// JSGC_SMALL_HEAP_SIZE_MAX
pref("javascript.options.mem.gc_small_heap_size_max_mb", 100);

// JSGC_LARGE_HEAP_SIZE_MIN
pref("javascript.options.mem.gc_large_heap_size_min_mb", 500);

// JSGC_HIGH_FREQUENCY_SMALL_HEAP_GROWTH
pref("javascript.options.mem.gc_high_frequency_small_heap_growth", 300);

// JSGC_HIGH_FREQUENCY_LARGE_HEAP_GROWTH
pref("javascript.options.mem.gc_high_frequency_large_heap_growth", 150);

// JSGC_LOW_FREQUENCY_HEAP_GROWTH
pref("javascript.options.mem.gc_low_frequency_heap_growth", 150);

// JSGC_BALANCED_HEAP_LIMITS_ENABLED
pref("javascript.options.mem.gc_balanced_heap_limits", false);

// JSGC_HEAP_GROWTH_FACTOR
pref("javascript.options.mem.gc_heap_growth_factor", 50);

// JSGC_ALLOCATION_THRESHOLD
pref("javascript.options.mem.gc_allocation_threshold_mb", 27);

// JSGC_MALLOC_THRESHOLD_BASE
pref("javascript.options.mem.gc_malloc_threshold_base_mb", 38);

// JSGC_SMALL_HEAP_INCREMENTAL_LIMIT
pref("javascript.options.mem.gc_small_heap_incremental_limit", 150);

// JSGC_LARGE_HEAP_INCREMENTAL_LIMIT
pref("javascript.options.mem.gc_large_heap_incremental_limit", 110);

// JSGC_URGENT_THRESHOLD_MB
pref("javascript.options.mem.gc_urgent_threshold_mb", 16);

// JSGC_MIN_EMPTY_CHUNK_COUNT
pref("javascript.options.mem.gc_min_empty_chunk_count", 1);

// JSGC_HELPER_THREAD_RATIO
pref("javascript.options.mem.gc_helper_thread_ratio", 50);

// JSGC_MAX_HELPER_THREADS
pref("javascript.options.mem.gc_max_helper_threads", 8);

// Eager nursery collection parameters:
// JSGC_NURSERY_EAGER_COLLECTION_THRESHOLD_KB
pref("javascript.options.mem.nursery_eager_collection_threshold_kb", 256);
// JSGC_NURSERY_EAGER_COLLECTION_THRESHOLD_PERCENT
pref("javascript.options.mem.nursery_eager_collection_threshold_percent", 25);
// JSGC_NURSERY_EAGER_COLLECTION_TIMEOUT_MS
pref("javascript.options.mem.nursery_eager_collection_timeout_ms", 5000);

#ifdef JS_GC_ZEAL
pref("javascript.options.mem.gc_zeal.mode", 0);
pref("javascript.options.mem.gc_zeal.frequency", 5000);
#endif

pref("javascript.options.shared_memory", true);

pref("javascript.options.throw_on_debuggee_would_run", false);
pref("javascript.options.dump_stack_on_debuggee_would_run", false);

// advanced prefs
pref("image.animation_mode",                "normal");

// If there is ever a security firedrill that requires
// us to block certian ports global, this is the pref
// to use.  Is is a comma delimited list of port numbers
// for example:
//   pref("network.security.ports.banned", "1,2,3,4,5");
// prevents necko connecting to ports 1-5 unless the protocol
// overrides.

// Transmit UDP busy-work to the LAN when anticipating low latency
// network reads and on wifi to mitigate 802.11 Power Save Polling delays
pref("network.tickle-wifi.enabled", false);
pref("network.tickle-wifi.duration", 400);
pref("network.tickle-wifi.delay", 16);

// Default action for unlisted external protocol handlers
pref("network.protocol-handler.external-default", true);      // OK to load
pref("network.protocol-handler.warn-external-default", true); // warn before load

// Prevent using external protocol handlers for these schemes
pref("network.protocol-handler.external.hcp", false);
pref("network.protocol-handler.external.vbscript", false);
pref("network.protocol-handler.external.javascript", false);
pref("network.protocol-handler.external.data", false);
pref("network.protocol-handler.external.ie.http", false);
pref("network.protocol-handler.external.iehistory", false);
pref("network.protocol-handler.external.ierss", false);
pref("network.protocol-handler.external.mk", false);
pref("network.protocol-handler.external.ms-cxh", false);
pref("network.protocol-handler.external.ms-cxh-full", false);
pref("network.protocol-handler.external.ms-help", false);
pref("network.protocol-handler.external.ms-msdt", false);
pref("network.protocol-handler.external.res", false);
pref("network.protocol-handler.external.search", false);
pref("network.protocol-handler.external.search-ms", false);
pref("network.protocol-handler.external.shell", false);
pref("network.protocol-handler.external.vnd.ms.radio", false);
#ifdef XP_MACOSX
  pref("network.protocol-handler.external.help", false);
#endif
pref("network.protocol-handler.external.disk", false);
pref("network.protocol-handler.external.disks", false);
pref("network.protocol-handler.external.afp", false);
pref("network.protocol-handler.external.moz-icon", false);

// Don't allow  external protocol handlers for common typos
pref("network.protocol-handler.external.ttp", false);  // http
pref("network.protocol-handler.external.htp", false);  // http
pref("network.protocol-handler.external.ttps", false); // https
pref("network.protocol-handler.external.tps", false);  // https
pref("network.protocol-handler.external.ps", false);   // https
pref("network.protocol-handler.external.htps", false); // https
pref("network.protocol-handler.external.ile", false);  // file
pref("network.protocol-handler.external.le", false);   // file

// An exposed protocol handler is one that can be used in all contexts.  A
// non-exposed protocol handler is one that can only be used internally by the
// application.  For example, a non-exposed protocol would not be loaded by the
// application in response to a link click or a X-remote openURL command.
// Instead, it would be deferred to the system's external protocol handler.
// Only internal/built-in protocol handlers can be marked as exposed.

// This pref controls the default settings.  Per protocol settings can be used
// to override this value.
pref("network.protocol-handler.expose-all", true);

// Example: make IMAP an exposed protocol
// pref("network.protocol-handler.expose.imap", true);

// Whether IOService.connectivity and NS_IsOffline depends on connectivity status
pref("network.manage-offline-status", true);

// <http>
pref("network.http.version", "1.1");      // default
// pref("network.http.version", "1.0");   // uncomment this out in case of problems
// pref("network.http.version", "0.9");   // it'll work too if you're crazy
// keep-alive option is effectively obsolete. Nevertheless it'll work with
// some older 1.0 servers:

pref("network.http.proxy.version", "1.1");    // default
// pref("network.http.proxy.version", "1.0"); // uncomment this out in case of problems
                                              // (required if using junkbuster proxy)

// Whether we should respect the BE_CONSERVATIVE (aka nsIHttpChannelInternal.beConservative)
// flag when connecting to a proxy.  If the configured proxy accepts only TLS 1.3, system
// requests like updates will not pass through.  Setting this pref to false will fix that
// problem.
// Default at true to preserve the behavior we had before for backward compat.
pref("network.http.proxy.respect-be-conservative", true);

// this preference can be set to override the socket type used for normal
// HTTP traffic.  an empty value indicates the normal TCP/IP socket type.
pref("network.http.default-socket-type", "");

// There is a problem with some IIS7 servers that don't close the connection
// properly after it times out (bug #491541). Default timeout on IIS7 is
// 120 seconds. We need to reuse or drop the connection within this time.
// We set the timeout a little shorter to keep a reserve for cases when
// the packet is lost or delayed on the route.
pref("network.http.keep-alive.timeout", 115);

// Timeout connections if an initial response is not received after 5 mins.
pref("network.http.response.timeout", 300);

// Limit the absolute number of http connections.
// Note: the socket transport service will clamp the number below this if the OS
// cannot allocate that many FDs
#ifdef ANDROID
  pref("network.http.max-connections", 128);
#else
  pref("network.http.max-connections", 900);
#endif

// If NOT connecting via a proxy, then
// a new connection will only be attempted if the number of active persistent
// connections to the server is less then max-persistent-connections-per-server.
pref("network.http.max-persistent-connections-per-server", 6);

// Number of connections that we can open beyond the standard parallelism limit defined
// by max-persistent-connections-per-server/-proxy to handle urgent-start marked requests
pref("network.http.max-urgent-start-excessive-connections-per-host", 3);

// If connecting via a proxy, then a
// new connection will only be attempted if the number of active persistent
// connections to the proxy is less then max-persistent-connections-per-proxy.
pref("network.http.max-persistent-connections-per-proxy", 32);

// amount of time (in seconds) to suspend pending requests, before spawning a
// new connection, once the limit on the number of persistent connections per
// host has been reached.  however, a new connection will not be created if
// max-connections or max-connections-per-server has also been reached.
pref("network.http.request.max-start-delay", 10);

// If a connection is reset, we will retry it max-attempts times.
pref("network.http.request.max-attempts", 10);

// Maximum number of consecutive redirects before aborting.
pref("network.http.redirection-limit", 20);

// Enable http compression: comment this out in case of problems with 1.1
// NOTE: support for "compress" has been disabled per bug 196406.
// NOTE: separate values with comma+space (", "): see bug 576033
pref("network.http.accept-encoding", "gzip, deflate");
pref("network.http.accept-encoding.secure", "gzip, deflate, br, zstd");

// Prompt for redirects resulting in unsafe HTTP requests
pref("network.http.prompt-temp-redirect", false);

// If true generate CORRUPTED_CONTENT errors for entities that
// contain an invalid Assoc-Req response header
pref("network.http.assoc-req.enforce", false);

// On networks deploying QoS, it is recommended that these be lockpref()'d,
// since inappropriate marking can easily overwhelm bandwidth reservations
// for certain services (i.e. EF for VoIP, AF4x for interactive video,
// AF3x for broadcast/streaming video, etc)

// default value for HTTP
// in a DSCP environment this should be 40 (0x28, or AF11), per RFC-4594,
// Section 4.8 "High-Throughput Data Service Class"
pref("network.http.qos", 0);

// The number of milliseconds after sending a SYN for an HTTP connection,
// to wait before trying a different connection. 0 means do not use a second
// connection.
pref("network.http.connection-retry-timeout", 250);

// The number of seconds after sending initial SYN for an HTTP connection
// to give up if the OS does not give up first
pref("network.http.connection-timeout", 90);

// Close a connection if tls handshake does not finish in given number of
// seconds.
pref("network.http.tls-handshake-timeout", 30);

// The number of seconds after which we time out a connection of a retry (fallback)
// socket when a certain IP family is already preferred.  This shorter connection
// timeout allows us to find out more quickly that e.g. an IPv6 host is no longer
// available and let us try an IPv4 address, if provided for the host name.
// Set to '0' to use the default connection timeout.
pref("network.http.fallback-connection-timeout", 5);

// The number of seconds to allow active connections to prove that they have
// traffic before considered stalled, after a network change has been detected
// and signalled.
pref("network.http.network-changed.timeout", 5);

// The maximum number of current global half open sockets allowable
// when starting a new speculative connection.
#ifdef ANDROID
  pref("network.http.speculative-parallel-limit", 6);
#else
  pref("network.http.speculative-parallel-limit", 20);
#endif

// Whether or not to block requests for non head js/css items (e.g. media)
// while those elements load.
pref("network.http.rendering-critical-requests-prioritization", true);

// Disable IPv6 for backup connections to workaround problems about broken
// IPv6 connectivity.
pref("network.http.fast-fallback-to-IPv4", true);

// Http3 qpack table size.
pref("network.http.http3.default-qpack-table-size", 65536); // 64k
// Maximal number of streams that can be blocked on waiting for qpack
// instructions.
pref("network.http.http3.default-max-stream-blocked", 20);

// This is only for testing!
// This adds alt-svc mapping and it has a form of <host-name>;<alt-svc-header>
// Example: example1.com;h3=":443",example2.com;h3=":443"
pref("network.http.http3.alt-svc-mapping-for-testing", "");

// alt-svc allows separation of transport routing from
// the origin host without using a proxy.
pref("network.http.altsvc.enabled", true);
pref("network.http.altsvc.oe", false);

pref("network.http.diagnostics", false);

pref("network.http.pacing.requests.enabled", true);
pref("network.http.pacing.requests.min-parallelism", 6);
pref("network.http.pacing.requests.hz", 80);
pref("network.http.pacing.requests.burst", 10);

// TCP Keepalive config for HTTP connections.
pref("network.http.tcp_keepalive.short_lived_connections", true);
// Max time from initial request during which conns are considered short-lived.
pref("network.http.tcp_keepalive.short_lived_time", 60);
// Idle time of TCP connection until first keepalive probe sent.
pref("network.http.tcp_keepalive.short_lived_idle_time", 10);

pref("network.http.tcp_keepalive.long_lived_connections", true);
pref("network.http.tcp_keepalive.long_lived_idle_time", 600);

pref("network.http.enforce-framing.http1", false); // should be named "strict"
pref("network.http.enforce-framing.soft", true);
pref("network.http.enforce-framing.strict_chunked_encoding", true);

// The ratio of the transaction count for the focused window and the count of
// all available active connections.
pref("network.http.focused_window_transaction_ratio", "0.9");

// This is the size of the flow control window (KB) (i.e., the amount of data
// that the parent can send to the child before getting an ack). 0 for disable
// the flow control.
pref("network.http.send_window_size", 1024);

// Whether or not we give more priority to active tab.
// Note that this requires restart for changes to take effect.
#ifdef ANDROID
  // disabled because of bug 1382274
  pref("network.http.active_tab_priority", false);
#else
  pref("network.http.active_tab_priority", true);
#endif

// By default the Accept header sent for documents loaded over HTTP(S) is derived
// by DocumentAcceptHeader() in nsHttpHandler.cpp. If set, this pref overrides it.
// There is also image.http.accept which works in scope of image.
pref("network.http.accept", "");

// The max time to spend on xpcom events between two polls in ms.
pref("network.sts.max_time_for_events_between_two_polls", 100);

// The number of seconds we don't let poll() handing indefinitely after network
// link change has been detected so we can detect breakout of the pollable event.
// Expected in seconds, 0 to disable.
pref("network.sts.poll_busy_wait_period", 50);

// The number of seconds we cap poll() timeout to during the network link change
// detection period.
// Expected in seconds, 0 to disable.
pref("network.sts.poll_busy_wait_period_timeout", 7);

// During shutdown we limit PR_Close calls. If time exceeds this pref (in ms)
// let sockets just leak.
pref("network.sts.max_time_for_pr_close_during_shutdown", 5000);

// When the polling socket pair we use to wake poll() up on demand doesn't
// get signalled (is not readable) within this timeout, we try to repair it.
// This timeout can be disabled by setting this pref to 0.
// The value is expected in seconds.
pref("network.sts.pollable_event_timeout", 6);

// 2147483647 == PR_INT32_MAX == ~2 GB
pref("network.websocket.max-message-size", 2147483647);

// the number of seconds to wait for websocket connection to be opened
pref("network.websocket.timeout.open", 20);

// the number of seconds to wait for a clean close after sending the client
// close message
pref("network.websocket.timeout.close", 20);

// the number of seconds of idle read activity to sustain before sending a
// ping probe. 0 to disable.
pref("network.websocket.timeout.ping.request", 0);

// the deadline, expressed in seconds, for some read activity to occur after
// generating a ping. If no activity happens then an error and unclean close
// event is sent to the javascript websockets application
pref("network.websocket.timeout.ping.response", 10);

// the maximum number of concurrent websocket sessions. By specification there
// is never more than one handshake oustanding to an individual host at
// one time.
pref("network.websocket.max-connections", 200);

// by default scripts loaded from a https:// origin can only open secure
// (i.e. wss://) websockets.
pref("network.websocket.allowInsecureFromHTTPS", false);

// by default we delay websocket reconnects to same host/port if previous
// connection failed, per RFC 6455 section 7.2.3
pref("network.websocket.delay-failed-reconnects", true);

// </ws>

// enables the prefetch service (i.e., prefetching of <link rel="next"> and
// <link rel="prefetch"> URLs).
pref("network.prefetch-next", true);

// The following prefs pertain to the negotiate-auth extension (see bug 17578),
// which provides transparent Kerberos or NTLM authentication using the SPNEGO
// protocol.  Each pref is a comma-separated list of keys, where each key has
// the format:
//   [scheme "://"] [host [":" port]]
// For example, "foo.com" would match "http://www.foo.com/bar", etc.

// This list controls which URIs can use the negotiate-auth protocol.  This
// list should be limited to the servers you know you'll need to login to.
pref("network.negotiate-auth.trusted-uris", "");
// This list controls which URIs can support delegation.
pref("network.negotiate-auth.delegation-uris", "");

// Do not allow SPNEGO by default when challenged by a local server.
pref("network.negotiate-auth.allow-non-fqdn", false);

// Allow SPNEGO by default when challenged by a proxy server.
pref("network.negotiate-auth.allow-proxies", true);

// Path to a specific gssapi library
pref("network.negotiate-auth.gsslib", "");

// Specify if the gss lib comes standard with the OS
pref("network.negotiate-auth.using-native-gsslib", true);

#ifdef XP_WIN
  // Default to using the SSPI intead of GSSAPI on windows
  pref("network.auth.use-sspi", true);
#endif

// Controls which NTLM authentication implementation we default to. True forces
// the use of our generic (internal) NTLM authentication implementation vs. any
// native implementation provided by the os. This pref is for diagnosing issues
// with native NTLM. (See bug 520607 for details.) Using generic NTLM authentication
// can expose the user to reflection attack vulnerabilities. Do not change this
// unless you know what you're doing!
// This pref should be removed 6 months after the release of firefox 3.6.
pref("network.auth.force-generic-ntlm", false);

// The following prefs are used to enable automatic use of the operating
// system's NTLM implementation to silently authenticate the user with their
// Window's domain logon.  The trusted-uris pref follows the format of the
// trusted-uris pref for negotiate authentication.
pref("network.automatic-ntlm-auth.allow-proxies", true);
pref("network.automatic-ntlm-auth.allow-non-fqdn", false);
pref("network.automatic-ntlm-auth.trusted-uris", "");

// The string to return to the server as the 'workstation' that the
// user is using.  Bug 1046421 notes that the previous default, of the
// system hostname, could be used for user fingerprinting.
//
// However, in some network environments where allowedWorkstations is in use
// to provide a level of host-based access control, it must be set to a string
// that is listed in allowedWorkstations for the user's account in their
// AD Domain.
pref("network.generic-ntlm-auth.workstation", "WORKSTATION");

// This preference controls whether to allow sending default credentials (SSO) to
// NTLM/Negotiate servers allowed in the "trusted uri" list when navigating them
// in a Private Browsing window.
// If set to false, Private Browsing windows will not use default credentials and ask
// for credentials from the user explicitly.
// If set to true, and a server URL conforms other conditions for sending default
// credentials, those will be sent automatically in Private Browsing windows.
//
// This preference has no effect when the browser is set to "Never Remember History",
// in that case default credentials will always be used.
pref("network.auth.private-browsing-sso", false);

// Control how throttling of http responses works - number of ms that each
// suspend and resume period lasts (prefs named appropriately)
// This feature is occasionally causing visible regressions (download too slow for
// too long time, jitter in video/audio in background tabs...)
--> --------------------

--> maximum size reached

--> --------------------

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