Snort mailing list archives

Re: [Snort-users] Interested in developing a preprocessor; want all the documentation I can get.


From: Joel Esler <jesler () sourcefire com>
Date: Wed, 14 Aug 2013 09:12:37 -0400

No.  DAQ is the interaction layer between however the traffic is coming in, and Snort.

On Aug 13, 2013, at 7:27 PM, Tony Robinson <deusexmachina667 () gmail com> wrote:

appreciate all the feedback. apologies for the delay sleeping, work, etc. you get the idea.

I was thinking DAQ is where I would want to look as well, but I was under the impression that DAQ essentially takes 
the place of libpcap -- you're using DAQ to grab the raw traffic off the wire before passing it to snort for 
"cleanup" and other purposes. I don't know if this assertion is correct or not -- I mean, is daq used to pass 
reassembled traffic between preprocessors?

 I'm not a dev either, just another infosec enthusiast and I just thought that this would be something awesome since 
snort is really good at reassembling traffic and prads/p0f could totally take advantage of reassembled streams for 
service and OS detection. This in turn can create a feedback loop for building reassembly policies and (eventually) 
be used to make suggestions for rules to enable/disable via pulled pork or another rule management tool.


On Tue, Aug 13, 2013 at 8:56 AM, Joel Esler <jesler () sourcefire com> wrote:
On Aug 12, 2013, at 9:52 PM, Tony Robinson <deusexmachina667 () gmail com> wrote:

this gives me a good starting point... Do you or anyone else for that matter know if the starter kit is compatible 
with the latest snort versions? I'm assuming so, since the web page refers to snort 2.9.4.x while the text doc in 
the tarball refers to snort 2.9.0.x

also specifically what I'm looking to do is take normalized traffic in either a passive or inline config and pass 
the cleaned up/reassembled traffic to prads or p0f for more accurate host detection, and in turn prads or p0f could 
be used to build more accurate stream 5 or frag 3 host policies.. makes sense, no?

It’s compatible.




-- 
when does reality end? when does fantasy begin?

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