How to block applications from Instant Messaging (socks Protocol) on my pix 515

I would like to block all traffic application instant messaging on my pix 515. Some of them use the socks Protocol. Can someone help me to block these applications or SOCKS protocol on my pix 515?

Concerning

It was just answered by a thread below.

MSN_Messenger_tcp tcp service object-group

Description MSN Messenger tries to use these ports

port-object eq www

port-object eq 1863

object-port 7001 eq

the MSN_Messenger_hosts object-group network

host Description MSN Messenger feeds

object-network 65.54.195.0 255.255.255.0

object-network 65.54.225.0 255.255.255.0

network-object 65.54.226.0 255.255.254.0

network-object 65.54.228.0 255.255.254.0

host of the object-Network 65.54.240.61

host of the object-Network 65.54.240.62

network-object 207.46.104.0 255.255.252.0

object-network 207.46.108.0 255.255.255.0

object-network 207.68.171.0 255.255.255.0

access list acl-inside tcp refuse any object-group MSN_Messenger_hosts-group of objects MSN_Messenger_tcp

This applies to an acl on your inside interface.

Patrick

Tags: Cisco Security

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