[Snort-users] Snort home net and external net question

waldo kitty wkitty42 at ...14940...
Sat Sep 4 02:31:58 EDT 2010

On 9/3/2010 13:41, Joel Esler wrote:
> Check out README.variables in the doc/ directory of the tarball.

if it really works as described sure... bt we've found numerous instances of the 
verbiage saying one thing but the actual results are something else haven't we ;)

> On Sep 3, 2010, at 1:01 PM, Andy Berryman wrote:
>> I tried that, but am getting an error. I’m running
>> Sep 3 16:51:33 (none) snort[18415]: FATAL ERROR: /snort/conf/general.rules(1)
>> Negated IP ranges that are equal to or are more general than non-negated
>> ranges are not allowed. Consider inverting the logic: $EXTERNAL_NET.
>> var HOME_NET []
>> Is it b/c my home net is a /16 and the external net I’m trying to add is a /24?
>> Thanks,
>> Andy
>> *From:* Joel Esler [mailto:jesler at ...1935...]
>> *Sent:* Friday, September 03, 2010 11:53 AM
>> *To:* Andy Berryman
>> *Cc:* snort-users at lists.sourceforge.net <mailto:snort-users at lists.sourceforge.net>
>> *Subject:* Re: [Snort-users] Snort home net and external net question
>> On Sep 3, 2010, at 11:01 AM, Andy Berryman wrote:
>> If I have my home net of snort set to:
>> var HOME_NET []
>> How can I make my external net be !$HOME_NET and 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 []
>> Should work.

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