Snort mailing list archives

Logging "pass" rules that are hit


From: Dave Osbourne <dave () osbourne uk eu org>
Date: Thu, 21 Jun 2018 21:12:32 +0100

Hi,

I'm tying to debug a pcre match in a pass rule, but apart from inferring it's working when it doesn't fail I can seem to figure out how to get snort to LOG pass rules that it finds... (so that I know which rule is passing).

My most basic test is to set

   output alert_fast: stdout

call snort like:

   /usr/local/bin/snort -c /etc/snort/snortdelme.conf -Q -i eth1:eth2

I'm (against most basically) matching a SYN packet:

        pass tcp  0.0.0.0/0 any -> 192.168.X.Y 1433 (msg:"pass message"; flags: S; dsize: 0; sid:1000;)         log tcp  0.0.0.0/0 any -> 192.168.X.Y 1433 (msg:"log message"; flags: S; dsize: 0; sid:2000;)

I know the packet is flowing through the bridge - because if I change pass/log to reject I see a message and the packet is blocked.

I just can't figure out how to make pass appear in the log!

Dave
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