VPN and WebRTC

Tue, Jul 28, 2015

A curious demo where a web server sends you JS that sends back your internal network IP address via the STUN protocol intended to work around the structure of NAT’s for peer-to-peer connections. What does that leak about a VPN connection?

Over PPTP:

Well, that’s worrying.

What about over L2TP?

hm… and over OpenVPN?

Well, that’s somewhat comforting, at least.

todo.add('learn how the VPN wizardry works')