Re: [Nolug] DNS Server Problem with TCP

From: Dustin Puryear <dustin_at_puryear-it.com>
Date: Sat, 25 Oct 2008 10:40:17 -0500
Message-ID: <49033DE1.8020808@puryear-it.com>

Also, you say "setup almost identically". What running network services
are on the two DNS servers?

--
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/
Dustin Puryear wrote:
> 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
>>
>>
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Received on 10/25/08

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