Re: Snort RULES and Variables want to kill me!

[Paul Schmehl <pauls () utdallas edu>]

--On Sunday, August 24, 2003 6:45 PM -0500 Jake Schneider 
<j4k3 () charter net> wrote:
> Hello I have a rule set that wants to eat me, well actually it's probably
> more of my own misunderstanding than anything, but could anyone give me
> some insight in to my situation?
>
> I have in my snort.conf defined EXTERNAL_NET like this;
>
> var EXTERNAL_NET [!192.168.0.0/24,!192.168.1.0/24,!192.168.2.0]
>
> Apparently I'm missing something.
You are.  The obvious.

$HOME_NET = [192.168.0.0/24,192.168.1.0/24,192.168.2.0/24]
$EXTERNAL NET = !$HOME_NET

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


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