[Snort-users] 100% Outstanding - what does that mean?

Martin Roesch roesch at ...1935...
Mon Aug 9 12:10:48 EDT 2010


That's exactly what I was thinking... ;)


On Mon, Aug 9, 2010 at 11:16 AM, Justin Heath <justin.heath at ...11827...> wrote:
> That means that it's really, really good. In fact, you could say that
> it's outstanding! :)
>
> On Mon, Aug 9, 2010 at 11:04 AM, Bryan Arenal <b.arenal at ...11827...> wrote:
>> I just set up a new sensor and when checking its performance
>> statistics, I am seeing a couple of the interfaces with Outstanding at
>> 100%.  Here's the output from one of the interfaces:
>>
>> Aug  9 06:56:54 spock snort[1536]:
>> ===============================================================================
>> Aug  9 06:56:54 spock snort[1536]: Packet I/O Totals:
>> Aug  9 06:56:54 spock snort[1536]:    Received:    202781012
>> Aug  9 06:56:54 spock snort[1536]:    Analyzed:            0 (  0.000%)
>> Aug  9 06:56:54 spock snort[1536]:     Dropped:            0 (  0.000%)
>> Aug  9 06:56:54 spock snort[1536]:    Filtered:            0 (  0.000%)
>> Aug  9 06:56:54 spock snort[1536]: Outstanding:    202781012 (100.000%)
>> Aug  9 06:56:54 spock snort[1536]:    Injected:            0
>> Aug  9 06:56:54 spock snort[1536]:
>> ===============================================================================
>>
>> What exactly does that mean?  A google search shows a February email
>> from Matt Watchinski saying, "Outstanding means that packets never got
>> out of the ethernet card before they got dropped.  IE pcap didn't get
>> to them before they disappeared."  But the README.counts in the 2.9.0
>> beta documentation says "Outstanding indicates how many packets are
>> buffered awaiting processing."  So I suppose I'm a bit confused.  If
>> they're buffered, pcap has gotten to them, correct?  Can I see why
>> 100% of them are buffered and not processing?
>>
>> Regards,
>>
>> Bryan
>>
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-- 
Martin Roesch - Founder/CTO, Sourcefire Inc. - +1-410-290-1616
Sourcefire - Security for the Real World - http://www.sourcefire.com
Snort: Open Source IDP - http://www.snort.org




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