Re: queer dns access problem

From: Bill Tangren <bjt(at)usno.navy.mil>
Date: Wed Dec 12 2007 - 10:54:49 EST

> have you checked named.conf and made sure its listening on the correct
> ip address/interface ?

OK, I was not quite right when I said that ssh works. When I ssh from one working box into another using the -v option, this is what I get just before the password prompt:

debug1: Authentications that can continue: publickey,gssapi-with-mic,password
debug1: Next authentication method: gssapi-with-mic
debug1: Authentications that can continue: publickey,gssapi-with-mic,password
debug1: Authentications that can continue: publickey,gssapi-with-mic,password
debug1: Next authentication method: publickey
debug1: Trying private key: /home/bjt/.ssh/identity
debug1: Trying private key: /home/bjt/.ssh/id_rsa
debug1: Trying private key: /home/bjt/.ssh/id_dsa
debug1: Next authentication method: password

When I ssh from the broken box, this is what I get:

debug1: Authentications that can continue: publickey,gssapi-with-mic,password
debug1: Next authentication method: gssapi-with-mic
debug1: An invalid name was supplied

Cannot determine realm for numeric host address

debug1: Next authentication method: publickey
debug1: Trying private key: /home/bjt/.ssh/identity
debug1: Trying private key: /home/bjt/.ssh/id_rsa
debug1: Trying private key: /home/bjt/.ssh/id_dsa
debug1: Next authentication method: password

I'm googling on these errors, but so far, nothing that would indicate what the problem might be.

>
>
> david
>
> Bill Tangren wrote:
>>> Can you ping your DNS server from the broken box?
>>>
>>> Kris
>>>
>>
>> Well, it doesn't seem that the firewall is the problem. The firewall is
>> not recording any traffic coming from the broken server when it tries to
>> access the outside world. [Though I can ssh into another server in the
>> enclave if I use its IP number.] I have tried unplugging the working
>> server, renaming the broken one and using its network port, and DNS
>> still
>> doesn't work. I am stumped as to why. I need this server, and if I don't
>> fix it soon, I'm going to have to reinstall the OS. I've even gone so
>> far
>> as to swap out network cards. No joy. Something must be wrong with the
>> setup, and I'll be damned if I can figure out what it is.
>>
>>

-- 

Bill Tangren
U.S. Naval Observatory

Auribus tenere lupum

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Received on Wed Dec 12 10:55:31 2007