Re: Snort home net and external net question

[Joel Esler <jesler () sourcefire com>]

On Sep 3, 2010, at 11:01 AM, Andy Berryman wrote:

> If I have my home net of snort set to:
>  
> var HOME_NET [10.215.0.0/16]
>  
> How can I make my external net be !$HOME_NET and 10.215.40.0/24 subnet?
>  

With recent versions of Snort, you can do positives and negatives in the same variable, but the more specific entry 
needs to come first.

var HOME_NET [10.215.0.0/16]
var EXTERNAL_NET [10.216.40.0/16,!$HOME_NET]

Should work.

Joel

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