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The WebRTC leak test is an important tool for those using VPNs because it leverages the WebRTC API to communicate with a STUN server, potentially leaking the user's real local and public IP address, even when using a VPN, proxy server, or NAT. This tool can help verify whether the real public IP has been leaked.

After authorizing media device permissions, WebRTC will leak local IP

• XiaoMi

  SDP log

  Local IP:

  -

  Public IP:

• QQ

  SDP log

  Local IP:

  -

  Public IP:

• bilibili

  SDP log

  Local IP:

  -

  Public IP:

• smartgslb

  SDP log

  Local IP:

  -

  Public IP:

• Google 1

  SDP log

  Local IP:

  -

  Public IP:

• Google 2

  SDP log

  Local IP:

  -

  Public IP:

• Google 3

  SDP log

  Local IP:

  -

  Public IP:

• Google 4

  SDP log

  Local IP:

  -

  Public IP:

• Nextcloud

  SDP log

  Local IP:

  -

  Public IP:

• Cloudflare

  SDP log

  Local IP:

  -

  Public IP:

• STUNTMAN

  SDP log

  Local IP:

  -

  Public IP:

• freeSTUN

  SDP log

  Local IP:

  -

  Public IP:

• Twilio

  SDP log

  Local IP:

  -

  Public IP:

• Twilio 2

  SDP log

  Local IP:

  -

  Public IP:

• Twilio 3

  SDP log

  Local IP:

  -

  Public IP:

• Twilio 4

  SDP log

  Local IP:

  -

  Public IP:

• syncthing

  SDP log

  Local IP:

  -

  Public IP:

How to Disable WebRTC

• To disable WebRTC in Firefox:

  Type in the address bar and press Enter about:config

  media.peerconnection.enabled In the search bar, type and double-click the preference to set its value to false.

• WebRTC in Chrome:

  The recommended solution to limit the risk of IP leakage via WebRTC is to use the official Google extension called which provides a range of options with varying levels of protection. WebRTC Network Limiter