Ceci est une ancienne révision du document !
/etc/firefox/syspref.js (obsolete → policies.json)
// This file can be used to configure global preferences for Firefox
// Example: Homepage
//pref("browser.startup.homepage", "http://www.weebls-stuff.com/wab/");
# PREFERENCE GENERAL
 
# not working here 
# pref("browser.contentblocking.category","strict");
 
 
// Désactive l'affichage de 'Connaître vos droits' au premier lancement
pref("browser.rights.3.shown", true);
 
pref("browser.download.useDownloadDir",false);
 
#not working here pref("pref.browser.language.disable_button.up",false);
# pref("intl.accept_languages","fr-fr,fr,en-us,en");
 
# supprimer cookies en fin de session 2 - simple 0
pref("network.cookie.lifetimePolicy",0);
 
pref("privacy.donottrackheader.enabled",true);
 
#pref("privacy.trackingprotection.enabled",true);
#pref("privacy.trackingprotection.socialtracking.enabled",true);
 
# THEME
 
 
# Desactiver la barre de titres
pref("browser.tabs.inTitlebar", 1);
#pref("browser.tabs.drawInTitlebar",true);
 
# densite compacte
pref("browser.uidensity",1);
 
# Dark theme
#pref("ui.systemUsesDarkTheme",1);
#pref("browser.in-content.dark-mode",true);
# theme dark not working like this pref("extensions.activeThemeID","firefox-compact-dark@mozilla.org");
 
# autres modif via sebsauvage.net
# fenetre avertissement 
#pref("browser.tabs.warnOnClose",false);
#pref("browser.tabs.closeWindowWithLastTab",false);
# Desactiver prefetch / vie privee 
# 1 pas de telechargement en avance
pref("network.prefetch-next",false);
# 2 pas de DNS en avance
pref("network.dns.disablePrefetch",true);
# Accelerer firefox en utilisant la ram de preference
pref("browser.cache.memory.capacity",256000);
pref("browser.cache.memory.max_entry_size",50000);
pref("browser.cache.disk.enable",false);
# desactivation pocket
pref("extensions.pocket.enabled",false);
 
# Securite
# eviter le phishing avec unicode en affichant les codes
pref("network.IDN_show_punycode",true);
# afficher url completes
pref("browser.urlbar.trimURLs", false);
# zoom sur les pages
pref("browser.ui.zoom.force-user-scalable", true);
# desactiver autorefresh
pref("accessibility.blockautorefresh", true);
# desactiver acces presse papier par sites
pref("dom.event.clipboardevents.enabled", false);
 
# Reduction frequence sauvegarde
pref("browser.sessionstore.interval",120000);
 
# desactiver pop-up mise en plein ecran
pref("full-screen-api.warning.timeout",0);
 
# desactiver autoplay des videos
pref("media.autoplay.enabled.user-gestures-needed",true);
pref("media.autoplay.allow-muted",false);
 
# Ne pas utiliser dossier de téléchargement
pref("browser.download.useDownloadDir", false);
 
# Cacher des raccourcis sponso
pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
 
 
# Startup page
pref("startup.homepage_override_url","");
 
# Desactiver qu'est-ce qu'il y a de nouveau
pref("browser.messaging-system.whatsNewPanel.enabled", false);
 
# Desactiver bonjour
pref("browser.aboutwelcome.enabled", false);
 
# Desactiver + a propos de mozilla
pref("browser.preferences.moreFromMozilla", false);
forcer fr-fr dans /usr/lib/firefox/distribution/distribution.ini en ajoutant
pref.browser.language.disable_button.up=false intl.accept_languages="fr-FR,fr,en-us,en"
et modifier
intl.locale.requested="fr,en-US"
Reste à trouver comment mettre le mode de blocage strict et le thème sombre
extensions
À mettre :
- ublock origin (et adblock pour virer le non utile suivant les besoins)
- privacy badger
- decentraleye (pour éviter de récupérer les données inutiles)
- facebook container
- https everywhere
Moins de blabla
- decentraleye : core/main.js commenter chrome.runtimeblablabla
- privacy badger
Pour pouvoir les désinstaller par la suite /usr/lib/firefox/distribution/extensions
Pour bloquer la désinstallation par la suite /usr/lib/firefox/browser/extensions
/etc/firefox/policies
Policies
about:policies /etc/firefox/policies/policies.json /usr/lib/firefox/distribution/policies.json https://github.com/mozilla/policy-templates/blob/master/README.md désactiver page d'update en indiquant une url vide
{
  "policies": {
        "DisableAppUpdate": true,
        "OverridePostUpdatePage": "",
        "DisableFirefoxStudies": true,
        "DisableTelemetry": true,
        "UserMessaging": {
          "WhatsNew": false,
          "ExtensionRecommendations": false,
          "FeatureRecommendations": false,
          "SkipOnboarding": true 
          }
      }
}
- policies.json
- { "policies": { "DisableAppUpdate": true, "Homepage": { "URL": "http://desclicks.net" }, "Preferences": { "browser.policies.loglevel": { "Value": "debug", "Status": "locked" }, "browser.tabs.warnOnClose": { "Value": false, "Status": "default" } }, "DisablePocket": true, "DisableTelemetry": true, "FirefoxHome": { "Search": true, "TopSites": false, "SponsoredTopSites": false, "Highlights": false, "Pocket": false, "SponsoredPocket": false, "Snippets": false, "Locked": false }, "NoDefaultBookmarks": true, "OfferToSaveLogins": false, "OverrideFirstRunPage": "", "OverridePostUpdatePage": "", "UserMessaging": { "WhatsNew": false, "ExtensionRecommendations": false, "FeatureRecommendations": false, "UrlbarInterventions": false, "SkipOnboarding": true, "MoreFromMozilla":false }, "DisableFeedbackCommands": true, "DisableFirefoxAccounts": true, "DisableBuiltinPDFViewer": true, "SanitizeOnShutdown": true, "ShowHomeButton": true, "RequestedLocales": ["fr-FR", "fr"], "PromptForDownloadLocation": true, "UseSystemPrintDialog": true, "Extensions": { "Install": ["https://addons.mozilla.org/firefox/downloads/latest/dictionnaire-francais1", "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin", "https://addons.mozilla.org/firefox/downloads/latest/sponsorblock", "https://addons.mozilla.org/firefox/downloads/latest/decentraleyes", "https://addons.mozilla.org/firefox/downloads/latest/facebook-container", "https://addons.mozilla.org/firefox/downloads/latest/grammalecte-fr"] }, "3rdparty": { "Extensions": { "uBlock0@raymondhill.net": { "adminSettings": { "selectedFilterLists": [ "ublock-privacy", "ublock-badware", "ublock-filters", "ublock-badlists", "user-filters", "ublock-quick-fixes", "ublock-abuse", "ublock-unbreak", "adguard-generic", "adguard-mobile", "easylist", "adguard-spyware", "adguard-spyware-url", "block-lan", "easyprivacy", "url-haus1", "curben-phishing", "curben-pup", "adguard-annoyance", "adguard-social", "fanboy-thirdparty_social", "fanboy-cookiemonster", "fanboy-annoyance", "fanboy-social", "ublock-social", "dpollock-0", "plowe-0", "ara-0", "DEU-0", "FRA-0" ] } } } } } }
“Preferences”: {
      "browser.uidensity": {
        "Value": 1
      },
      "browser.tabs.inTitlebar": {
        "Value": 1
      } //	"browser.uiCustomization.stage"
}
"SearchEngines": {
      "Add": [
        {
          "Name": "StartPage fr",
          "URLTemplate": "https://startpage.com/fr",
          "Method": "POST",
          "IconURL": "https://www.startpage.com/sp/cdn/favicons/apple-touch-icon-57x57--default.png",
          "Alias": "SP",
          "Description": "Startpage, Le moteur de recherche le plus privé au monde."
        }
      ]
    },
https://support.mozilla.org/en-US/kb/customizing-firefox-using-autoconfig