Skype Access
Currently, we use a proxy for internet access with a 5525 ASA on the bridge.
We started to have a number of applications for Skype access and after a lot of research has found that our proxy can not deal with it and nor ASA, so its either open the firewall to all users of specfic not restricted access bypassing proxy access or not at all.
My question is can the IPS for ASA module drop or allow connections from Skype and secondly if a Skype connection is allowed then can it be configured through the IPS in order to bypass the firewall rules?
Thank you
Jon
"However, I think this will alert only on the activity, it will not prevent Skype from work."
I think you can prevent anything like that to work as long as it's not encrypted, including Skype. U just use any type of traffic Analyzer to see how application made, find something special for the application you are trying to block, write and adjust accordingly the signatures to what you see. I guess you can do it even on any cisco ISR, using the corresponding flexible package.
Tags: Cisco Security
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