blocking p2p traffic

["Deshpande, Yashodhan" <ydeshpande () ipolicynet com>]

Hi,

    Any information regarding IDS/IPS software available which blocks p2p traffic? Or in general any information 
regarding how to identify p2p application is running and may be configure firewall to block such traffic. In general it 
is observed that such applications do not work on = single port and do port hopping. How to block them?

Any inputs on the same would be appreciated.


Thanks,

Yashodhan

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