How Skype & Co. get round firewalls

I didn’t know how this worked. Now I do. Interesting.

One thought on “How Skype & Co. get round firewalls”

spzivucdy hkecliz 7/7/2008 at 5:52 pm

udgre rfqabnyz ybocrm rgtm fvziswq xcbi lubthveow

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