[Snort-users] Fine tuning Snort

Joel Esler jesler at ...1935...
Fri Oct 8 09:14:14 EDT 2010


The best examples for suppressions are in the threshold.conf file.

J

On Oct 8, 2010, at 8:47 AM, James Lay wrote:

> What the….I looked all through the snort pdf too and since I didn't see an example showing that I uh…well assumed…..heh..you've saved me a BUNCH of time..thanks Scott.
> 
> Jam
> 
> From: ScottO <skippylou at ...11827...>
> Date: Fri, 8 Oct 2010 08:31:57 -0400
> To: James Lay <jlay at ...13475...>
> Cc: Snort <snort-users at lists.sourceforge.net>
> Subject: Re: [Snort-users] Fine tuning Snort
> 
> James,
> 
> You can specify cidr notation for address blocks in threshold.conf, something like:
> 
> suppress gen_id 1, sig_id 11111, track by_src, ip 10.1.2.0/24
> 
> Hope that helps,
> 
> scott
> 
> On Fri, Oct 8, 2010 at 8:24 AM, James Lay <jlay at ...13475...> wrote:
>> Thanks Waldo,
>> 
>> It's been quite interesting...I have at least four rules that look for
>> executables...and as I look at the threshold file I can only threshold
>> against one IP at a time...meaning I've got a lot of work to do as I have
>> to add pretty much most of google and windowsupdate.com ;)  Even thought
>> I'm tempted to simply start snort to not monitor those netblocks, eh...I'd
>> rather do the right thing.
>> 
>> Thanks again for the help.
>> 
>> James
>> 
>> 
>> On 10/7/10 10:23 PM, "waldo kitty" <wkitty42 at ...14940...> wrote:
>> 
>> >On 10/7/2010 14:02, James Lay wrote:
>> >> Kevin and Waldo, you gents are treasuresŠI will get to work and report
>> >>my
>> >> resultsŠthank you much!
>> >
>> >something else to thing about concerning rules that you would just
>> >totally
>> >suppress in threshold.conf... if they are completely suppressed then you
>> >might
>> >as well comment them out of the rules set so they do not consume any
>> >memory and
>> >snort won't waste any time loading them just to be ignoring them... but i
>> >guess
>> >this also depends on your tools and management systems... some may use
>> >only
>> >threshold to "disable" rules where others may actually comment them in
>> >the rules
>> >sets files... personally, i think the threshold file is best to suppress
>> >certain
>> >rules for certain IPs... total suppression is the same as disabled so...
>> >;)
>> >
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>> 
>> 
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> ------------------------------------------------------------------------------ Beautiful is writing same markup. Internet Explorer 9 supports standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. Spend less time writing and rewriting code and more time creating great experiences on the web. Be a part of the beta today. http://p.sf.net/sfu/beautyoftheweb_______________________________________________ Snort-users mailing list Snort-users at lists.sourceforge.net Go to this URL to change user options or unsubscribe: https://lists.sourceforge.net/lists/listinfo/snort-users Snort-users list archive: http://www.geocrawler.com/redir-sf.php3?list=snort-users
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> Spend less time writing and  rewriting code and more time creating great
> experiences on the web. Be a part of the beta today.
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