Re: How to debugging on Snort?

Snort 3 provides a trace facility that will output info for each step of 
signature evaluation (upon fast pattern match).  Check the "Module 
Trace" section (5.10.1) in the user manual.

On 5/17/18 10:10 PM, İzzettin Erdem via Snort-devel wrote:
> 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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