RE: [Nolug] DNS Server Problem with TCP

Hi Dustin.

redhat-release-4ES-8.0.el4_7.1 is the version on both ns1 and ns2.

bind-9.2.4-30.el4 on both. But I don't think that bind is part of the problem
since TCP pings to the box fail also when the problem starts.

Thanks,

John

   John Souvestre - Southern Star & Integrated Data Systems - (504) 355-0609

> -----Original Message-----
> From: owner-nolug@stoney.redfishnetworks.com [mailto:owner-
> nolug@stoney.redfishnetworks.com] On Behalf Of Dustin Puryear
> Sent: Saturday, October 25, 2008 10:38 AM
> To: nolug@nolug.org
> Subject: Re: [Nolug] DNS Server Problem with TCP
>
> The exact same version of RH? And what is the kernel version on both?
> And the version of bind on both?
>
> --
> Dustin Puryear
> President and Sr. Consultant
> Puryear Information Technology, LLC
> 225-706-8414 x112
> http://www.puryear-it.com
>
> Author, "Best Practices for Managing Linux and UNIX Servers"
> http://www.puryear-it.com/pubs/linux-unix-best-practices/
>
>
> John Souvestre wrote:
> > Hi all.
> >
> > I'm having a strange problem with one of our DNS servers (ns1.idsno.net).
> Our
> > ns2.idsno.net server is set up almost identically and it has no problem.
> >
> > The problem is with the ability to do DNS TCP transfers. What makes this
> really
> > strange is that TCP works just fine when the box is rebooted. But a few
> days
> > later, it stops responding to TCP. I've seen this happen a half dozen
> times.
> >
> > We're running RH. As far as I can tell, IPTables is not being used on the
> box.
> >
> > I don't see anything interesting in /var/log/messages.
> >
> > The box is behind a PIX but so is the other one. Port 53 UDP and TCP are
> both
> > enabled.
> >
> > Does anyone have any ideas?
> >
> > Thanks!
> >
> > John
> >
> > John Souvestre - Southern Star & Integrated Data Systems - (504) 355-
> 0609
> >
> >
> > ___________________
> > Nolug mailing list
> > nolug@nolug.org
> >
> > --
> > This message was scanned by ESVA and is believed to be clean.
> > Click here to report this message as spam.
> > http://esva.puryear-it.com/cgi-bin/learn-msg.cgi?id=
> >
> >
> ___________________
> Nolug mailing list
> nolug@nolug.org

___________________
Nolug mailing list
nolug@nolug.org
Received on 10/25/08