Re: Snort dropping more packets than it received

[Peter Bates <peter.bates () ucl ac uk>]

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Hello all

On 12/09/2012 16:19, Scott Finlon wrote:
> I just installed Snort to run on 8 instances via PF_RING DNA, and
> whenever I dump the stats via kill -usr1 or end the processes the
> numbers just don't add up. Is this an issue with the way Snort is
> adding, or could it be something else?

I'm not using DNA (just normal PF_RING) but my stats look considerably
more healthier than yours.

What sorts of stats are you seeing in /proc/net/pf_ring/x ?

Something on the lines of

egrep 'Packet|Lost' /proc/net/pf_ring/*|egrep -v ': 0'

is fairly useful.

- -- 
Peter Bates
Senior Computer Security Officer    Phone: +44(0)2076792049
Information Services Division       Internal Ext: 32049
University College London
London WC1E 6BT
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