Re: ClamAV preprocessor

[Jason Haar <Jason.Haar () trimble co nz>]

On Tue, Aug 17, 2004 at 11:09:14PM -0500, William Metcalf wrote:
>  I know that some of folks don't think that doing virus detection with and
> IDS is a good idea, but Victor Julien and I have developed a preprocessor
> that can detect virus activity in network traffic, using a clamav c
> function and the clamav virus database.  On to the preproc, you can enable

Wow - freaky!

Have you got any stats on how such a preprocessor affects Snort?

e.g. how much more CPU/memory load, FP rates, etc.

As far as FP rates go, I mean as it's "just" an AV preprocessor (now
there's an understatement!), I assume it isn't also a SMB preprocessor - so
it isn't translating raw network data back into files before letting ClamAV
loose on it - so the chances for FP must be higher due to that.

-- 
Cheers

Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1


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