Snort mailing list archives

RE: EXTERNAL_NET


From: "Don" <Don () WeberOnTheWeb com>
Date: Sun, 23 Jun 2002 00:41:08 -0700

that would be 
var HOME_NET [A.B.0.0/16]*
var EXTERNAL_NET !$HOME_NET
u cant forget the $ to identify it is using a variable that has been set


-----Original Message-----
From: snort-users-admin () lists sourceforge net
[mailto:snort-users-admin () lists sourceforge net]On Behalf Of Phil Wood
Sent: Saturday, June 22, 2002 11:11 PM
To: snort-users () lists sourceforge net
Subject: Re: [Snort-users] EXTERNAL_NET


On Sun, Jun 23, 2002 at 01:32:40AM -0400, Ashley Thomas wrote:
Is it correct to say 
var EXTERNAL_NET !A.B.0.0/8

if i need to consider every ip except A.B.0.0 range as external ?

 var HOME_NET [A.B.0.0/16]*

 var EXTERNAL_NET !HOME_NET 

The brackets allow for some more nets like:

 var HOME_NET [A.B.0.0/16,192.168.1.0/24]


thanks 
ashley


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-- 
Phil Wood, cpw () lanl gov



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