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[Snort-users] Unifed login plugin

To: snort-users@lists.sourceforge.net
Subject: [Snort-users] Unifed login plugin
From: Carlos Terrón <terron@arrakis.es>
Date: Thu, 29 Mar 2007 16:25:29 +0200 (CEST)
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Hi people

I'm looking info for the unified login plugin implemented in spo_unified.c

>>From the documentation of snort, the alerts and the log file are
differentes i.e:

output alert_unified: filename $SNORTDIR/log/usnort.alert
output log_unified: filename $SNORTDIR/log/usnort.log

These is configuration in the snort.conf, write the alerts in binary form
to usnort.alert.timestamp and the packest to the usnort.log.

Well, looking at the source code of spo_unified.c, I have seen that there
is code to log to one unified file,  where each record has the alert
information and the packet(s) that causes it.  Looking futher in the code
I have seen the option:

output unified

That I think that can be the option for that unified logging, but

 output unified:  $SNORTDIR/log/snort.unified.log

give me an error:

ERROR: UnifiedInitLogFile(/var/log/snort/snort-unified.1175177880): No
such file or directory
Fatal Error, Quitting..

It's like the $SNORTDIR isn't defined, snort insits in create the snort
log file in /var/log/snort. Is this the correct behaviur of snort or it's
a bug?. If I put a absolute path doesn't work also (i.e, output unified:
/tmp/snort.log)

ERROR: UnifiedInitLogFile(/var/log/snort/snort-unified.1175178254): No
such file or directory
Fatal Error, Quitting..

If I create the /var/log/snort, then the option works as expected

(The header of the file created has the correct magic number)

Thanks in advance
Carlos

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