Hi Paul,
stream4 uses 8192 as a minimum for the max sessions. There should be a
warning printed at startup.
Try switching your decoder to ac-bnfa to address the packet loss issue.
Adam
Paul Melson wrote:
> 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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--
Adam Keeton Software Engineer
Snort Team Sourcefire,Inc
www.snort.org www.sourcefire.com
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