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Re: [Snort-users] Snort 2.6.1.3 ignoring stream4

To: "Darryl Taylor" <darryl.taylor@sourcefire.com>
Subject: Re: [Snort-users] Snort 2.6.1.3 ignoring stream4
From: "Paul Melson" <pmelson@gmail.com>
Date: Sat, 7 Apr 2007 20:12:32 -0400
Cc: Joel Esler <joel.esler@sourcefire.com>, adam.keeton@sourcefire.com, snort-users@lists.sourceforge.net
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On 4/6/07, Darryl Taylor <darryl.taylor@sourcefire.com> wrote:
> What size pipe is it monitoring (what's peak and sustained during
> business hours)? Which libpcap implementation is installed, standard,
> Phil Woods, or pfring?

The pipes' that this sensor is watching have an aggregate bandwidth of
about 24Mbps, and peak throughput is between 10-15Mbps with peak pps
rates in the 60-80 range.  The pcap library is the default libpcap
package that comes with RHEL4.

This issue is definitely tied to 2.6.1.3 and not the hardware.  I can
down-rev the config file and snort binary back to 2.6.0.2 on this box
and the CPU usage drops off dramatically.

PaulM

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