[Oisf-users] Suricata using 35% cpu with no load?

Duane Howard duane.security at gmail.com
Thu Jul 30 19:58:52 UTC 2015


When closing suri it reports 0 packets for the interface I'm mainly
concerned with. There's also nothing in fast or other logs to indicate
traffic.

30/7/2015 -- 19:58:41 - <Notice> - Stats for 'bond0':  pkts: 0, drop: 0
(-nan%), invalid chksum: 0

On Thu, Jul 30, 2015 at 12:57 PM, Alan Wanderley dos Santos <
alan.santos at rnp.br> wrote:

> Didi you see the fast.log and others logs?
>
> Maybe there are some traffic (icmp or broadcast for example) coming to
> virtual machine, even little being data, can generated a lot of logs and
> degree the performance.
>
> I had a similar situation on a VM of testing.
>
> Just a shot into darkness rsrs
>
> Regards,
>
> -----------------------------------------------
> Alan Santos
> Analista de Seguran├ža
> Centro de Atendimento a Incidentes de Seguran├ža (CAIS)
> Rede Nacional de Ensino e Pesquisa (RNP)
> (19) 3787-3314 | alan.santos at rnp.br
>
> ------------------------------
> *De: *"Duane Howard" <duane.security at gmail.com>
> *Para: *"oisf-users" <oisf-users at openinfosecfoundation.org>
> *Enviadas: *Quinta-feira, 30 de julho de 2015 16:50:51
> *Assunto: *[Oisf-users] Suricata using 35% cpu with no load?
>
> I've got a random virtual testing machine, and I'm seeing Suricata sitting
> at about 35% CPU load, even though there's absolutely no traffic heading to
> it at the moment. Is there an easy way to get Suricata to tell me what it's
> doing that would cause this? It occurs on real interfaces with low traffic,
> loopback, as well as bonds where there's no trafic.
> ./d
>
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>
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