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 ********************************************************************** Privileged/Confidential Information may be contained in this message. Unless you are the addressee (or authorized to receive for the addressee), you may not use, copy, deliver or disclose to anyone the message or any information contained in the message. If you have received the message in error, please advise the sender by reply e-mail and delete the message. ********************************************************************** Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=36011&t=35976 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
