I wouldn't say this covers "all" of them but the most widely used IM apps.
This is used on a PIX and applied to the inside interface so modify as
necessary to fit your needs.
access-list inside deny tcp any any eq 1863
access-list inside deny tcp any any eq 5000
access-list inside deny tcp any any eq 5001
access-list inside deny tcp any any eq 5050
access-list inside deny tcp any any eq 5100
access-list inside deny tcp any any eq 1214
access-list inside deny tcp any any range 6665 6669
access-list inside deny udp any any eq 5000
access-list inside deny udp any any eq 5001
access-list inside deny udp any any eq 5050
access-list inside deny udp any any eq 5100
access-list inside deny udp any any eq 1214
access-list inside deny ip any host 64.12.161.153
access-list inside deny ip any 206.142.53.0 255.255.255.0
access-list inside deny ip any 64.245.58.0 255.255.254.0
access-list inside deny ip any 213.248.107.0 255.255.255.0
access-list inside deny ip any host 205.188.179.233
Rik
-Original Message-
From: Paul Pavlicko [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, February 20, 2002 3:06 PM
To: [EMAIL PROTECTED]
Subject: Blocking ICQ and other Instant Messengers [7:35976]
Has anyone created an ACL to block all the Instant Messengers? If so, could
you send all the IP Addresses (or the ACL) that you use to block them.
Thanks,
Paul Pavlicko
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