Mozilla Firefox

These instructions were written using Mozilla Firefox 149.0.2.

If your organization controls the related settings for your browser, contact the system administrator.

Check Firefox settings

To change advanced configuration preferences:

1. Go to about:config
2. Select Accept the Risk and Continue.
3. Search for media.peerconnection.ice.obfuscate_host_addresses. The value you need depends on how your environment is set up, so toggle the value from true to false, or from false to true.

   

4. Search for media.peerconnection.ice.default_address_only, and set it to false to turn off local network access checks for WebRTC.
5. Search for network.lna.enabled, and set it to false to automatically allow local network access without having to confirm it every time.

Disable extensions

To disable extensions that might block WebRTC:

1. Go to about:addons

   

2. Disable WebRTC extensions and VPN clients.

Examples of widely-used WebRTC control extensions:

• Disable WebRTC
• WebRTC Control
• WebRTC Leak Shield
• WebRTC Network Limiter
• WebRTC Protect - Protect IP Leak

Examples of widely-used VPN clients:

• CyberGhost
• ExpressVPN
• NordVPN
• Windscribe