[Snort-users] barnyard regular restart required

Joel Esler eslerj at ...11827...
Mon Mar 9 09:03:55 EDT 2009

In my experience it's less necessary to restart barnyard.  (I only
restart it on Snort rule updates.)  I have a script that restarts
Snort every day though.


On Mon, Mar 9, 2009 at 4:48 AM, Ian Masters <ian at ...12163...> wrote:
> Thanks again for the reply.
>> Again I do not use Barnyard, but any chance you are using outputting from
>> Barnyard to MySQL (did not catch it the first time but you must be if you
>> are using base...)? More specifically MySQL Server 5, there is an issue
>> where the connection to MySQL times out, and MySQL does nothing about it.
> I am indeed outputting from Barnyard to MySQL and my MySQL version is
> indeed 5 (Sorry I didn't include this information to begin with)
>> With Snort logging straight to MySQL this manifests as Snort log messages
>> like "snort[10778]: database: mysql_error: MySQL server has gone away "
>> Not sure if Barnyard will log anything in this senario...
> I haven't come across anything useful like that yet.
>> I *believe* that if you run lsof -i it will still show that snort
>> (barnyard in your case) is still connected to MySQL (even tho the
>> connection is dead)
> lsof -i shows:
> mysqld     4637   mysql   10u  IPv4    8513       TCP *:mysql (LISTEN)
> The machine is a test machine which gets very few alerts.
> Thanks for the ideas. It's given me a bit more to think about. I'm
> surprised that it's not happening to other users too.
> Ian
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Joel Esler
T: 302-223-5974 (-) Gtalk: jesler at ...1935...

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