Yes, as your indicated, that was the problem. Seemed a bit drastic but it
worked. Everything is back up and running again. Next time I won't try to solve
the problem on my own for days before taking action. :-)
Brad
________________________________
From: sguil-users-bounces@lists.sourceforge.net on behalf of Bamm Visscher
Sent: Wed 1/17/2007 10:18 AM
To: sguil-users@lists.sourceforge.net
Cc: Snort; snort-devel@lists.sourceforge.net
Subject: Re: [Sguil-users] Barnyard problem
AFAIK, that is a bug in Snort's unified output plugin. For all
practical purposes, the file /nsm/snortsrv//snort.log.1167545618 is
corrupt. To recover, stop snort and barnyard. Then remove (or move)
all the snort.log.####### files in /nsm/snortsrv (not the ones in
/nsm/snortsrv/dailylogs/). Finally, remove your waldo.file and restart
snort and barnyard.
The downside is any alert that happened after the file became
corrupted is gone. I don't know of any fix, probably the best thing
you can do to limit the impact this can cause again is to restart
snort on a regular basis as snort will create a new unified file each
time.
Bammkkkk
On 1/17/07, Smith, Brad <brad.smith@saskeds.com> wrote:
A couple of weeks ago my barnyard portion of the sensor just quit. Not
exactly sure what happened but it won't start up again. The main reason seems
to be the invalid packet length as indicated in the screen capture below. Is
there a way to edit this file and remove the offending line of data or how
can I recover from this. The sensor is running FreeBSD 6.1.
Thanks,
Brad
------------------------
Barnyard Version 0.2.0 (Build 32)
Command line arguments:
Config file: /usr/local/etc/nsm/barnyard.conf
Spool dir: /nsm/snortsrv/
Gen-msg file: gen-msg.map
Sid-msg file: sid-msg.map
Class file: Not specified
Log dir: Not specified
Archive dir: Not specified
File base: snort.log
Waldo file: /nsm/snortsrv/waldo.file
Pid file: Not specified
Verbosity level: 3
Dry run flag: Not Set
Batch mode flag: Not Set
Daemon flag: Not Set
New records only flag: Not Set
Usage flag: Not Set
Version flag: Not Set
Config file variables:
Hostname: snortsrv
Interface: fxp1
BPF Filter:
Class file: Not specified
Sid-msg file: Not specified
Gen-msg file: Not specified
Daemon flag: Not Set
Localtime flag: Not Set
Starting data processing using information from bookmark file
Program Variables:
Continual processing mode
Config dir: /usr/local/etc/nsm
Config file: /usr/local/etc/nsm/barnyard.conf
Sid-msg file: /usr/local/etc/nsm/sid-msg.map
Gen-msg file: /usr/local/etc/nsm/gen-msg.map
Class file: /usr/local/etc/nsm/classification.config
Hostname: snortsrv
Interface: fxp1
BPF Filter:
Log dir: /var/log/snort
Verbosity: 3
Localtime: 0
Spool dir: /nsm/snortsrv/
Spool file: snort.log
Bookmark file: /nsm/snortsrv/waldo.file
Record Number: 838345
Timet: 1167545618
Start at end: 0
Opened spool file '/nsm/snortsrv//snort.log.1167545618'
OpSguil configured
Connected to localhost on 7735.
Waiting for sid and cid from sensor_agent.
Sent: SidCidRequest snortsrv
Received: SidCidResponse 1 10202700
Sensor ID: 1
Last cid: 10202700
Sensor Name: snortsrv
Agent Port: 7735
ERROR: Invalid packet length: 976577328
Read error
Fatal Error, Quitting..
Exiting
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