05-30-2002 07:10 AM - edited 03-08-2019 10:47 PM
Does anyone have a link to a recommended ACL to use for blocking the IMs with IOS versions prior to 12.x.x ? Blocking the 5190, 505, etc... doesn't seem to stop the IM client.
05-31-2002 12:09 PM
This link lists ways to block numerour Messaging apps.
06-08-2002 11:47 PM
******common chat ports******
tcp 6667 (irc) 6660- 6670 (the default being 6667).
tcp 6665-6669 (common IRC)
tcp 5190 (aol)
tcp 5190, dyn >=1024 (aol ICQ)
tcp/udp 5190-5193 (aol)
tcp 1863 (msn)
tcp/udp 4020 (ichat)
tcp 5000-5001 and udp 5000-5010 (Yahoo voice chat)
tcp 5050 (Yahoo messages)
tcp 5100 (Yahoo Webcams)
Hope that helps
R/Yusuf
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