Off Topic: Caching Bind Server Freezing

[Gottschalk, David]

Yeah, I was planning on upgrading to a new version of BIND, as I suspect that this might be a bug. I just wanted to see if others had experienced this issue at all.

I'm running RHEL 5. Nothing in the logs to note, I don't think named is short on memory. The servers each have 8GB of ram.

David Gottschalk
UTS Email team
david.gottschalk at emory.edu


-----Original Message-----
From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Jeff A. Earickson
Sent: Wednesday, January 27, 2010 2:09 PM
To: MailScanner discussion
Subject: Re: Off Topic: Caching Bind Server Freezing

On Wed, 27 Jan 2010, Gottschalk, David wrote:

> Date: Wed, 27 Jan 2010 12:41:55 -0500
> From: "Gottschalk, David" <dgottsc at emory.edu>
> Reply-To: MailScanner discussion <mailscanner at lists.mailscanner.info>
> To: MailScanner discussion <mailscanner at lists.mailscanner.info>
> Subject: Off Topic: Caching Bind Server Freezing
>
> Does anyone here use Bind to cache DNS lookups on their MailScanner boxes?
>
> I have a bind caching server running on each of my MailScanner machines, and occasionally named will completely freeze up. I'm not sure why this is occurring. I thought it might have had to do with SpamHaus lookups hanging (they blocked our lookups), so I disabled them in my mailscanner.cf; however, that has not resolved the issue.
>
> I'm running version 9.2.4.
>
> Any ideas would be greatly appreciated.

Upgrade to a newer version of bind?  I'm running DNS caching with bind
9.6.1-P3 on Solaris 10, never had any issues.  What OS are you on?
Any named related syslog msgs of note?  Is named short on memory?

Jeff Earickson
Colby College
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