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Re: [Snort-users] Snort 2.6.1.3 ignoring stream4

To: Paul Melson <pmelson@gmail.com>
Subject: Re: [Snort-users] Snort 2.6.1.3 ignoring stream4
From: Joel Esler <joel.esler@sourcefire.com>
Date: Thu, 5 Apr 2007 17:24:09 -0400
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Paul,

Just a question, we'll have to look at this more intensly, but try
config detection: search-method ac-bnfa

Joel


On Thu, Apr 05, 2007 at 04:52:03PM -0400, it looks like Paul Melson sent me:
> After upgrading from 2.6.0 to 2.6.1.3 Snort is using a much greater
> amount of CPU and memory.  After looking at perfmonitor output, it
> seems to be maxing out at ~ 8K sessions pretty much 24/7 despite the
> following in snort.conf:
> 
> preprocessor stream4: disable_evasion_alerts, server_inspect_limit
> 300, memcap 209715200, max_sessions 2048
> 
> It seems to be ignoring max_sessions and memcap both.  Any body else
> run across this issue?  It's causing the sensor to peak at around 20%
> packet loss during high traffic periods.
> 
> Thanks,
> PaulM
> 
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Joel Esler                                          Security Consultant
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