Re: ICE exposes 'real' local IP to javascript

* Tim Panton wrote:
>I’ve been reading worried blogs that WEBRTC in browsers ‘leaks’ the local ‘real’ ip addresses to the javascript.
>The principle worriers are VPN users e.g <>
>The concern is that this can be done without user notification (DataChannel request) and might be used to 
>identify or finger-print users. Clearly the most vulnerable are Tor users who are on a real routeable IP address
>or directly on a carrier grade nat (eg android phones etc) where the IP may reveal the identity or location of the user.

If this actually allows random web sites to know that I am using the
addresses,, and (Ethernet,
Wifi, virtual machine) on this computer then that is pretty much like
broadcasting a device GUID and should concern everybody. I note that
some of the recent news coverage of this indicated that some major web
sites and services already use this to identify and track users.
Björn Höhrmann · ·
D-10243 Berlin · PGP Pub. KeyID: 0xA4357E78 ·
 Available for hire in Berlin (early 2015)  · 

Received on Tuesday, 3 February 2015 14:04:20 UTC