Re: Pix 535 Logging

["David Swafford" <dswafford () alterhighschool org>]

Have you thought about just blocking all outbound port 25 connections except for your authorized MX and mail servers?  
We did that at my company about a year back and eliminated the problem of infected machines flooding spam out from our 
network.
 
Just a thought,
 
David.
 
____________________________________________________
 
David A. Swafford, Network Engineer
Information Technology Team
Archbishop Alter High School
 
EC-Council Certified Ethical Hacker
 
A Cisco Systems, Inc., Certified Network Associate (CCNA) 
and a CompTIA Network+ and Security+ Certified Professional


> > > james.burns () sunderland ac uk 11/8/2006 5:50 am >>>
Hi,

I have a quick question regarding logging on a Pix 535.

We're currently getting a lot of CERT notifications for spammers 
operating within our network - mainly just students with 0wned machines, 
but we're looking into ways to automate the procedure slightly.

Anyway, what I'm looking to do, and what I need help with.... I want to 
know if it's possible to log all outbound port 25 connection attempts, 
EXCEPT those that come from our authorised MX's and mail servers. AND I 
would like to be able to do this in addition to the normal logging that 
takes place.

So, is it possible?

Any thoughts and guidance you can provide are very much appreciated.

Cheers,
James

-- 
James Burns

Network Advisor * Student & Learning Support
University of Sunderland



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