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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: Fri, 6 Apr 2007 15:41:14 -0400
Cc: 'Joel Esler' <joel.esler@sourcefire.com>, adam.keeton@sourcefire.com, snort-users@lists.sourceforge.net
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Paul,

How much RAM and what type of processor do you have on this machine?

JOel


On Fri, Apr 06, 2007 at 02:23:01PM -0400, it looks like Paul Melson sent me:
> > Just a question, we'll have to look at this more intensly, but try 
> > config detection: search-method ac-bnfa
> 
> Adam & Joel,
> 
> I made this change on the affected sensor last night and I am now seeing
> packet drop% peaks in the 55-60 range, almost double where it was before.
> Additionally, CPU utilization for that process climbed up to 100% this
> morning (with the start of business) and hasn't dipped below 90%.  It is
> typically in the 60-80%  range during business hours.  Previously, there was
> no uncommented 'config detection' line in the snort.conf file.
> 
> So I've removed that change and am back to where things were when I first
> posted.  If it matters, the sensor is on RHEL4 on x86 and had very small
> load on the same hardware with 2.6.0 and prior.
> 
> Thanks,
> PaulM
> 
> 
> 
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Joel Esler                                          Security Consultant
         gpg key: http://demo.sourcefire.com/jesler.pgp.key
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