What you captured, was the interaction packets, between users. What you
need to do, is close TCP Port 5190, which is the port used initially during
login. For more information about how to stop certain services on your PIX
(and I might also ask why you aren't blocking all, and only allowing
specific traffic (are you block Napster, for instance?). Try to look at the
service's homepage, it usually information for firewall administrators. I
know for a fact that this is true in terms of the Mirabilis ICQ product.
Regards,
Trevor Corness, CCNA
Primary, SecureNet Central
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
truename
Sent: August 24, 2000 7:53 PM
To: [EMAIL PROTECTED]
Subject: urgent: How to block ICQ on PIX server
Hello,
How can I block the ICQ use on PIX server?
I captured the packets ICQ generating, found that port they are using is
UDP 4000, and UDP 8000. I used the command "conduit deny udp any eq 4000
any" and command "conduit deny udp any eq 8000 any",
but users still can user ICQ software.
I really have no idea. Can you help me?
thanks,
cai, land
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