Re: How to debugging on Snort?

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On May 18, 2018, at 1:38 AM, James via Snort-devel <[email protected]<mailto:[email protected]>> wrote:



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On Fri, 18 May 2018 at 05:17 Al Lewis (allewi) via Snort-devel <[email protected]<mailto:[email protected]>> wrote:
Hello,

     To debug…  use GDB.

https://www.gnu.org/software/gdb/


Albert Lewis
ENGINEER.SOFTWARE ENGINEERING
Cisco Systems Inc.
Email: [email protected]<mailto:[email protected]>

From: Snort-devel <[email protected]<mailto:[email protected]>> on behalf of İzzettin Erdem via Snort-devel <[email protected]<mailto:[email protected]>>
Reply-To: İzzettin Erdem <[email protected]<mailto:[email protected]>>
Date: Thursday, May 17, 2018 at 10:11 PM
To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>>
Subject: [Snort-devel] How to debugging on Snort?

Hello Everyone ,

I want to debug Snort but I didn't find something help me. Actually I want to learn that: Packets come in to network and Snort catches them. After that, Snort checks packets by rules. How can I see what Snort checks at a time and output of this check process?

Example check process for packet P1;

Searching for :
   content:"sa"
   offset:5
depth:10

output -> found or 1

continue to check packet p1:

content: "|02|"
offset: 33
depth: 45
.
.
.

output -> not found or 0
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