How dangerous is Skype?

Tuesday, 6 March 2007, 3:14 PM EST

One of security professionals' primary concerns about Skype is it's so easy for a Skype client to find a way around a secure enterprise firewall configuration. Skype does this by using ports 80 and 443, which are open in most firewalls to allow Web browsing. In addition, Skype may reroute traffic if the initial port assigned during the Skype installation isn't available. This makes blocking Skype at a firewall more difficult since the ports Skype uses can change as needed.

At Computerworld.

[ Read more ]




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