[Oisf-users] Suricata 1.3.4 problem

Paul Halliday paul.halliday at gmail.com
Thu Dec 6 13:09:40 UTC 2012


Hi Martin,

With those values changed the same thing happened.

The only thing that was a little different was CPU utilization was far
more varied. The time window from start to spike (200% utilization)
was almost identical though.

On Wed, Dec 5, 2012 at 9:05 PM, Martin Holste <mcholste at gmail.com> wrote:
> Probably the flow timeouts as discussed earlier this week on the list.  Try
> out my aggressive flow timeout example and see if that fixes it.
>
>
> On Wed, Dec 5, 2012 at 5:53 PM, Paul Halliday <paul.halliday at gmail.com>
> wrote:
>>
>> Hi,
>>
>> Not quite sure whats happening but Suricata stops generating alerts
>> after about 30 minutes of operation. Bandwidth during this test never
>> peaked above 50. Running on FreeBSD 9.1
>>
>>
>> MEM and CPU for the process (~30 second interval):
>>
>> 1354748069,804M,26.37%
>> 1354748099,807M,25.15%
>> 1354748129,812M,31.10%
>> 1354748159,818M,26.76%
>> ...
>> 1354749629,1061M,27.25%
>> 1354749659,1065M,24.27%
>> 1354749689,1069M,26.12%
>> 1354749719,1089M,26.12%
>> 1354749749,1090M,36.38%
>> 1354749779,1092M,108.30%
>> 1354749809,1095M,108.11%
>> 1354749839,1098M,108.06%
>> 1354749869,1098M,196.78%
>> 1354749899,1098M,200.00%
>> 1354749929,1098M,200.00%
>> 1354749959,1098M,200.00%
>> 1354749989,1098M,200.00%
>>
>> In around the spike from 36 to 108 utilization Suricata throws this:
>>
>> 5/12/2012 -- 19:21:50 - <Info> - Flow emergency mode over, back to
>> normal... unsetting FLOW_EMERGENCY bit (ts.tv_sec: 1354749710,
>> ts.tv_usec:449629) flow_spare_q status(): 38% flows at the queue
>>
>> A knob I need to turn somewhere?
>>
>> Thanks!
>>
>> --
>> Paul Halliday
>> http://www.pintumbler.org/
>> _______________________________________________
>> Suricata IDS Users mailing list: oisf-users at openinfosecfoundation.org
>> Site: http://suricata-ids.org | Support: http://suricata-ids.org/support/
>> List: https://lists.openinfosecfoundation.org/mailman/listinfo/oisf-users
>> OISF: http://www.openinfosecfoundation.org/
>
>



-- 
Paul Halliday
http://www.pintumbler.org/



More information about the Oisf-users mailing list