full-disclosure - [Snort-sigs] Re: Mystery DNS Changes

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From: pauls at utdallas.edu (Paul Schmehl)
Subject: [Snort-sigs] Re: Mystery DNS Changes

--On Thursday, October 02, 2003 6:29 AM -0500 Paul Tinsley 
<pdt@...khammer.org> wrote:

> Someone brought to my attention that I neglected udp (thank you Adam),
> sorry about that I was in a hurry when I posted this, there is another
> just like the tcp one that says udp :)  Both are being triggered by the
> clients affected as one would expect, so for full coverage, do both.

Wouldn't it make more sense to use:

alert ip $HOME_NET any > $MAL_DNS 53 blah, blah, blah....instead of having 
two rules?

(That's what I'm using, and it's working fine.)

Paul Schmehl (pauls@...allas.edu)
Adjunct Information Security Officer
The University of Texas at Dallas
AVIEN Founding Member
http://www.utdallas.edu