[Snort-users] How to determine which detection search method to use?
jesler at ...1935...
Tue Feb 9 16:56:10 EST 2010
On Feb 9, 2010, at 4:48 PM, Andy Berryman 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?
Yes. ac-bnfa consumes much less memory. 2.8.6 has an even new search method which is even better as well. Check out the README's on 2.8.6 to understand that one.
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