: Only perform tampering on applications you own or have explicit permission to test through a bug bounty program.
Type about:config in your address bar and accept the risk. This is the registry of Firefox. Search for each preference below and modify it. tamper firefox
Firefox is one of the last remaining independent browser engines, free from the Chromium monopoly. But out of the box, it still phones home with telemetry, allows certain tracking methods, and includes features some users consider bloat. : Only perform tampering on applications you own
| Preference | Set to | What it does | |------------|--------|---------------| | datareporting.healthreport.uploadEnabled | false | Disables main telemetry upload. | | browser.newtabpage.activity-stream.feeds.telemetry | false | Kills new tab page tracking. | | browser.ping-centre.telemetry | false | Disables Mozilla's Ping Centre. | | network.trr.mode | 3 | Enforces DNS-over-HTTPS only (no fallback to plain DNS). | | security.ssl.enable_ocsp_stapling | false | (Optional) Increases privacy at very minor security cost—hides which certs you checked. | Search for each preference below and modify it
