Enter "about:config" in the firefox address bar and press enter. Press the button "I'll be careful, I promise!" Follow the instructions below... Getting started: privacy.trackingprotection.enabled = true This is Mozilla’s new built in tracking protection. It uses Disconnect.me filter list, which is redundant if you are already using uBlock Origin 3rd party filters, therefore you should set it to false if you are using the add-on functionalities. geo.enabled = false Disables geolocation. browser.safebrowsing.phishing.enabled = false Disable Google Safe Browsing and phishing protection. Security risk, but privacy improvement. browser.safebrowsing.malware.enabled = false Disable Google Safe Browsing malware checks. Security risk, but privacy improvement. dom.event.clipboardevents.enabled = false Disable that websites can get notifications if you copy, paste, or cut something from a web page, and it lets them know which part of the page had been selected. network.cookie.cookieBehavior = 1 Disable cookies 0 = Accept all cookies by default 1 = Only accept from the originating site (block third party cookies) 2 = Block all cookies by default network.cookie.lifetimePolicy = 2 cookies are deleted at the end of the session 0 = Accept cookies normally 1 = Prompt for each cookie 2 = Accept for current session only 3 = Accept for N days browser.cache.offline.enable = false Disables offline cache. browser.send_pings = false The attribute would be useful for letting websites track visitors’ clicks. webgl.disabled = true WebGL is a potential security risk. Source media.navigator.enabled = false Websites can track the microphone and camera status of your device. dom.battery.enabled = false Website owners can track the battery status of your device. Source browser.sessionstore.max_tabs_undo = 0 Even with Firefox set to not remember history, your closed tabs are stored temporarily at Menu -> History -> Recently Closed Tabs. Related Information ffprofile.com - Helps you to create a Firefox profile with the defaults you like. mozillazine.org - Security and privacy-related preferences. user.js Firefox hardening stuff - This is a user.js configuration file for Mozilla Firefox that's supposed to harden Firefox's settings and make it more secure. Privacy Settings - A Firefox addon to alter built-in privacy settings easily with a toolbar panel.
by darknetmatrix