Re: PCRE and cross packet matching

[Joel Esler <jesler () sourcefire com>]

On Aug 6, 2012, at 9:36 AM, Joel Esler <jesler () sourcefire com> wrote:

> > BTW, if there are no "stream-based" equivalent to such keywords due to
> > resource/complexity issues, how about creating keywords explicitly for
> > the first packet of a stream - that is probably 99% of the problem area?

Also, just as an addendum, sorry for not posting it originally.

We do have a keyword upcoming in a future version of Snort that ensures that you are at the start of a stream, no 
matter what.

--
Joel Esler
Senior Research Engineer, VRT
OpenSource Community Manager
Sourcefire

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