This article shows how to setup firefox to stop data leakage. Although Firefox is considered safe and reliable browser, but even there there are separate modules, which track the user’s behavior and send the statistics to the remote server. The bad news is that in recent years these modules is becoming more and they are often activated by default. The good news is that all of them are disabled in your browser settings, ie through about: config.
The site Github kept up to date list of options to be turned off in about:config to prevent data leakage.
Google Safe Browsing
It merges the history of surfing to Google. Requires Warning that disabling Safe Browsing increases the risk of catching the infection by visiting a malicious website.
browser.safebrowsing.enabled
browser.safebrowsing.downloads.enabled
browser.safebrowsing.malware.enabledStatistics Firefox
Sends reports on Mozilla’s stability and performance.
datareporting.healthreport.service.enabled
datareporting.healthreport.uploadEnabledUsage statistics.
toolkit.telemetry.enabledWebRTC
Leak real IP-addresses using VPN / TOR. The description and demo
media.peerconnection.enabledEncrypted Media Extensions (DRM)
Binary plug-in with an unknown source, which comes with Firefox, starting with versiiv 38. Allows you to play the encrypted media content and use Netflix and others. No Microsoft Silverlight. To completely remove the need to install plug-in version of the EME-free browser Firefox.
media.eme.enabled
media.gmp-eme-adobe.enabledFirefox Hello
Firefox connects to the server side (Telefonica) without permission.
loop.enabledIntegration with Pocket
Third-party service to manage the list of items set aside for reading.
browser.pocket.enabledGeolocation
geo.enabledSearch tips
Everything typed in the search box sent the search engine. After disabling this option prompts will continue to work, but only on the basis of local history research.
browser.search.suggest.enabledProtection from surveillance sites
Unlike all the above, this option, conversely, should be included. It is necessary to actively block sites that are known for their incorrect behavior in relation to spy on users. Not to be confused with DNT, which is just “asks” sites do not track you. It also carried out a forced lock.
privacy.trackingprotection.enabled
