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Don't be simple. This can reveal people that are using proxies like Tor and VPNs, and it's already being exploited by trackers: https://webrtchacks.com/dear-ny

Don't be simple. This can reveal people that are using proxies like Tor and VPNs, and it's already being exploited by trackers: https://webrtchacks.com/dear-ny-times/ https://webrtchacks.com/dear-ny-times/

anfedorov 11y ago
Good point re: VPN [0]. The example you point to is not a tracker, though. Looks like the Tor bundle disabled WebRTC about two years ago [1] [2]. I think a VPN user would expect the WebRTC connection to be routed via a VPN, as well, but I'm still figuring out how those work, exactly :) 0. PPTP exposes that you're on VPN and your computer's IP http://i.imgur.com/mKKfjj7.png http://i.imgur.com/mKKfjj7.png, as does L2TP http://i.imgur.com/C68HvSN.png http://i.imgur.com/C68HvSN.png, while OpenVPN only exposes that you're (probably) on a VPN: http://i.imgur.com/IVQkwsd.png http://i.imgur.com/IVQkwsd.png. 1. https://trac.torproject.org/projects/tor/ticket/8178 https://trac.torproject.org/projects/tor/ticket/8178 2. http://i.imgur.com/9zEPduB.png http://i.imgur.com/9zEPduB.png