[Snort-users] Fine tuning Snort

James Lay jlay at ...13475...
Fri Oct 8 09:55:56 EDT 2010

Thanks Josh..I will give that a go.


>  On 10/7/2010 2:02 PM, James Lay wrote:
>> Kevin and Waldo, you gents are treasures
I will get to work and report
>> my results
thank you much!
>> james
>> From: Kevin Ross <kevross33 at ...14012...
>> <mailto:kevross33 at ...14012...>>
>> Date: Thu, 7 Oct 2010 17:55:43 +0100
>> To: James Lay <jlay at ...13475...
>> <mailto:jlay at ...13475...>>, Snort
>> <snort-users at lists.sourceforge.net
>> <mailto:snort-users at lists.sourceforge.net>>
>> Subject: Re: [Snort-users] Fine tuning Snort
>> Well what you can do is:
>> - Use threshold.conf to supress alerts entirely from certain sources
>> or destinations and limit the amount of alerts it will fire too. Read
>> the examples in threshold.conf and put them in your enviroment. If
>> there is specific sources and destinations you can filter this way
>> - Use oinkmaster or pulled pork to disable and enable rules from VRT
>> and emergingthreats.net <http://emergingthreats.net> that you need.
>> Just start by not including rules files for things you do not have and
>> then go through the rules files taking down the sids to disable and
>> then have oinkmaster or pulled pork scheduled by cron to run an update.
> I have a small tool written in Perl called Pigsty that will automate
> finding any sigs in your enabled ruleset that match a pattern. The tool
> will output a list of disablesid lines that you can then drop into your
> oinkmaster.conf file or have the tool directly append the file. This
> makes cleaning up your current rules much easier. You could probably
> modify the oinkmaster perl script to run Pigsty just after the latests
> sigs are downloaded and before the routine for commenting out disabled
> sids completes.
> Find it at http://zombietango.com/blog/tools/
> ZT
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