[Snort-users] Fine tuning Snort

James Lay jlay at ...13475...
Fri Oct 8 09:55:01 EDT 2010


Oh good grief...there it is in pretty blue in vim 8-|  Turning 41
apparently means needing glasses....thanks Joel.

James

> 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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>>
>> ------------------------------------------------------------------------------
>> Beautiful is writing same markup. Internet Explorer 9 supports standards
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>> Spend less time writing and  rewriting code and more time creating great
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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.
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