Jeff LaCoursiere wrote: > On Sat, 25 Apr 2009, Yahya Mohammad wrote: > > >> On Wed, Apr 22, 2009 at 09:20:05PM +0000, Jeff LaCoursiere wrote: >> >>> I have been wondering - if you ran your SIP traffic over VPN tunnels, what >>> would the state think of that? They obviously won't be able to inspect >>> the data to see what is flowing through the tunnel. Do thye also restrict >>> encrypted traffic? >>> >> They can't see the data due to encryption, but they can observe packets' >> traffic patterns, and match them to typical usage by various protocols. >> Bitek ( >> http://www.bitek.com/index.php?option=com_content&view=article&id=74&Itemid=60 >> ) >> is one company that caters to state ISPs and I've heard their technology >> can guess if voip is being used inside encrypted tunnels. >> > > Yikes!! I just followed that link and I guess I shouldn't be surprised. > Big brother is finding all kind of ways to supress information flow. > This is hardly rocket science. If you find a stream of a steady 50 small packets per second, isn't hard to guess what the contents are. :-) > >> VPNs are not allowed on residential connections, but it's not really >> enforced, and it does work well with voip. In any case, if an ISP can >> block 95% of VoIP usage, it's good enough for them. It's probably not >> worth the effort to block the remaining 5% tech savvy people. >> >> > > Interesting... > > j >
Steve _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
