Re: How to determine which detection search method to use?

[Andy Berryman <aberryman () cymtec com>]

Thanks, that helps a lot! 

I'm getting around 190mb/sec?

Feb  9 21:49:37 (none) snort[20351]: Mbits/Second
Feb  9 21:49:37 (none) snort[20351]: ----------------
Feb  9 21:49:37 (none) snort[20351]: Snort:       224.155
Feb  9 21:49:37 (none) snort[20351]: Sniffing:    1371.216
Feb  9 21:49:37 (none) snort[20351]: Combined:    192.661
Feb  9 21:49:37 (none) snort[20351]: uSeconds/Pkt
Feb  9 21:49:37 (none) snort[20351]: ----------------
Feb  9 21:49:37 (none) snort[20351]: Snort:       24.685
Feb  9 21:49:37 (none) snort[20351]: Sniffing:    4.035
Feb  9 21:49:37 (none) snort[20351]: Combined:    28.720
Feb  9 21:49:37 (none) snort[20351]: KPkts/Second
Feb  9 21:49:37 (none) snort[20351]: ------------------
Feb  9 21:49:37 (none) snort[20351]: Snort:       40.511
Feb  9 21:49:37 (none) snort[20351]: Sniffing:    247.815
Feb  9 21:49:37 (none) snort[20351]: Combined:    34.819
Feb  9 21:49:37 (none) snort[20351]:


Andy

-----Original Message-----
From: Jason Wallace [mailto:jason.r.wallace () gmail com] 
Sent: Tuesday, February 09, 2010 4:03 PM
To: Andy Berryman
Cc: snort-users () lists sourceforge net
Subject: Re: [Snort-users] How to determine which detection search method to use?

Yes, it uses a lot! I'm using...

config detection: search-method ac

and using 2.7GB of RAM and this network segment sees very little traffic.

On Tue, Feb 9, 2010 at 4:48 PM, Andy Berryman <aberryman () cymtec com> wrote:
> How can you determine which search method you should use? Reason I'm asking
> is right now I don't have one specified in my snort.conf so it's using the
> default of "ac-bnfa"
>
>
>
> But, if I specify "ac-std" I run out of memory in 15 seconds. This box has
> 2gb of memory and snort is the only thing running on it.
>
>
>
> The standard "ac-bnfa" never seems to get above 10% when I run the "top"
> command. So does the ac-std really use that much more memory?
>
>
>
> Thanks,
>
> Andy Berryman
>
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