Tuesday, January 02, 2007

How skype punches holes in your Firewall

It has been long debated how skype gets through firewalls. Many a network admins have tried to block or stop skype at the perimeter have failed time and time again. May be that is the reason that VOIP IP Telephony: Number 1 article for 2006 is "remove Skype" at VOIP IP Telephony, all those admins trying to get rid of skype.
But the reason for this post is different. Now someone has written a technical article that reveals inner workings of skype through firewalls. That someone is J├╝rgen Schmidt of Heise Security. So head over to Heise Know how and you may find a way to patch your firewall like stopping UDP traffic.

Links;
Heise Security know how

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