Snort mailing list archives

Tag Feature question


From: Josh Blender <jsblists () gmail com>
Date: Tue, 1 Mar 2011 11:33:34 -0500

Hi, I'm a pretty new Snort user and I'm trying to get the "tag:" feature to
work so that I can capture the entire connection once a packet triggers a
rule.

Unfortunately, I've tested this in several ways, and I simply can't get this
tag feature to work.  In local.rules, I have:

tagtest tcp any any -> {ip address} 80 (content:"/{url}";
tag:host,5,packets,src; sid:100002; rev:1)

and I have a dedicated log file for catching this rule:

ruletype tagtest
{
        type log
        output log_tcpdump: tagtest.log
}

I've also tried using "tag:session,10,seconds" and various output methods
(not database, as I understand that does not work properly).

No matter what I do, I can not get Snort to log more than the first packet.
 The rule works perfectly - it triggers on traffic that I want it to trigger
on, and it writes to the log files perfectly, but it just will NOT log
anything more than 1 packet no matter what I do.  Are there any preprocessor
directives that are required to let tagging work?  Anything else I might be
missing that might prevent this from working?

Thank you,
Josh B
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