[Snort-users] Barnyard Not Outputting to Syslog

Jefferson, Shawn Shawn.Jefferson at ...14448...
Thu Feb 4 11:54:02 EST 2010


I suggest you go to Barnyard2, it is currently supported and being developed.

I had a similar setup once (I'm now using Barnyard2), and I believe you actually have to run two instances of barnyard, since barnyard doesn't seem to be able to send alerts to two different locations (that's my recollection anyway, as I said, now I'm using Barnyard2, and it definitely will do what you want.)



-----Original Message-----
From: infosec posts [mailto:infosec.posts at ...11827...] 
Sent: Thursday, February 04, 2010 8:07 AM
To: snort-users at lists.sourceforge.net
Subject: [Snort-users] Barnyard Not Outputting to Syslog

I have a snort/barnyard implementation that has been sending alerts to
a remote mysql instance since its inception.  Now, I would like to
also have barnyard send alerts to syslog.  I've reviewed the setup
guides at snort.org and what documenation or pointers I can find via
google, but I haven't come up with any information that is helping me
to correct the issue.

When I enable the syslog output directly in the snort conf, with the
same string I'm using in the barnyard.conf, I get syslog entries
as/where expected, so my local syslog is working fine.  I've tried the
configuration below, using alert_syslog with a remote syslog server,
and also using barnyard's alert_syslog2 plugin both locally and
remotely, but barnyard just doesn't seem to fire anything off to
syslog (when using alert_syslog2, tcpdump on the snort box shows no
traffic attempting to go to the remote machine).  I have continued to
receive events to the remote mysql instance in all of these syslog
test configurations.

====barnyard.conf====
output alert_syslog: LOG_LOCAL4 LOG_ALERT

====snort.conf====
output alert_unified: filename snort.alert, limit 128
output log_unified: filename snort.log, limit 128

====syslog.conf====
#test section for snort
local4.*                                                /var/log/snort-sl-log

====barnyard run string====
 /usr/local/bin/barnyard -c /etc/snort/barnyard.conf -d /var/log/snort
-w /etc/snort/waldo2 -f snort.log


I'm probably missing something minor/obvious, but I'm stumped, so I'd
appreciate any assistance.

Thanks.

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