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ASA and MSN, ICQ etc. blocking

larsdominic
Level 1
Level 1

‎11-06-2006 09:59 PM - edited ‎02-21-2020 01:17 AM

Hello,

is it possible to block ICQ, MSN http headers with the ASA Firewall? If yes can you give me a hint how to implement these rules?

Thanks

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zubairjalal
Level 1
Level 1

‎11-07-2006 03:24 AM

You can try blocking the below ports. But please ensure that you do not block some valid ports.

Yahoo:

TCP: 80, 5000-5050

UDP: 5000-5050

MSN:

TCP: 1863,

UDP: 1503, 3389, 5004-65535

AOL IM:

TCP: 5190-5193

UDP: 5190-5193

NetMeeting:

TCP: 1720, 1024-1503, 1504-65534

UDP: 1024-65534

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