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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