[Bro] Bro performance issues

William Jones jones at tacc.utexas.edu
Thu Nov 3 12:17:18 PDT 2011


Is PF_RING part of bro?

-----Original Message-----
From: Martin Holste [mailto:mcholste at gmail.com] 
Sent: Wednesday, November 02, 2011 7:56 PM
To: William Jones
Cc: Seth Hall; bro at bro-ids.org
Subject: Re: [Bro] Bro performance issues

Is there a reason you can't do PF_RING?  It's a lot more efficient
than BPF load balancing.

On Wed, Nov 2, 2011 at 6:21 PM, William Jones <jones at tacc.utexas.edu> wrote:
> Something changed in the way packet filters work on 2.0 Bata bro. It does not seem to have the old behavior.
>
> What I wont is the ability to set a filter per work.   That way I could write I could spread the tcp load for ip and iptv6 acros n works and run a n+1 work that take care of the no ip traffic.
>
>
> Bill Jones
>
> -----Original Message-----
> From: bro-bounces at bro-ids.org [mailto:bro-bounces at bro-ids.org] On Behalf Of William Jones
> Sent: Wednesday, November 02, 2011 4:32 PM
> To: 'Seth Hall'
> Cc: bro at bro-ids.org
> Subject: Re: [Bro] Bro performance issues
>
> Nice!
>
> -----Original Message-----
> From: Seth Hall [mailto:seth at icir.org]
> Sent: Wednesday, November 02, 2011 2:58 PM
> To: William Jones
> Cc: 'Tomer Teller'; bro at bro-ids.org
> Subject: Re: [Bro] Bro performance issues
>
>
> On Nov 2, 2011, at 3:41 PM, William Jones wrote:
>
>> Try the following pcap filtering trick:
>> [worker-1]
>> type=worker
>> host=localhost
>> interface=em0
>> aux_scripts=q1of2
>
> Nice one!
>
> In the 2.0-beta you don't even need to define that aux_scripts field either.  You should be able to just make files named worker-1.local.bro and worker-2.local.bro in your <prefix>/share/bro/site/ directory and they will automatically get loaded by the correct nodes.
>
>  .Seth
>
> --
> Seth Hall
> International Computer Science Institute
> (Bro) because everyone has a network
> http://www.bro-ids.org/
>
>
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