Block WebRTCFirefox sometimes leaks your real IP address through its WebRTC protocol even when a VPN is on. Go to the extension settings and ensure "Block WebRTC" is toggled to ON.
Select the Official App: Look for the extension offered by "NordVPN" with the verified checkmark.
Once you have downloaded the extension, don't just hit "Quick Connect." Toggle these settings to get the most out of your privacy:
Disable other proxies: Having multiple VPN extensions active at once will cause conflicts.