[Pdns-users] Strange problem with powerdns and keepalived

Rory Toma rory at ooma.com
Tue Jan 24 22:09:43 UTC 2012


And the latest (as of 3 weeks ago...) 3 series of pdns also exhibits 
this behavior.

On 1/24/12 2:02 PM, Rory Toma wrote:
> On a related note, I can bind and use ssh bound to the keepalived 
> address, so this suggests something in the application, although 
> strace shows nothing interesting...
>
> Time to start dropping printf's in the code...
>
> On 1/24/12 6:56 AM, Rory Toma wrote:
>> On 1/24/2012 6:50 AM, Peter van Dijk wrote:
>>> Hello Rory,
>>>
>>> On Jan 24, 2012, at 2:42 , Rory Toma wrote:
>>>
>>>> I'm not sure that this is a powerdns problem, per se, but it seems 
>>>> to only affect powerdns.
>>>>
>>>> I have a keepalived setup using a /16 network. When pdns binds to 
>>>> the keepalived port, udp queries work just fine, but tcp queries 
>>>> fail with a "tcp port domain unreachable".
>>> Is there anything in the PowerDNS log for a failed query? Could you 
>>> tcpdump a failing query?
>>>
>>> Kind regards,
>>> Peter van Dijk
>>> _______________________________________________
>>> Pdns-users mailing list
>>> Pdns-users at mailman.powerdns.com
>>> http://mailman.powerdns.com/mailman/listinfo/pdns-users
>> No, it never makes it that far. I can't even telnet to port 53 on 
>> that address. I have no firewall set up, so I can't imagine what's 
>> happening here.
>> _______________________________________________
>> Pdns-users mailing list
>> Pdns-users at mailman.powerdns.com
>> http://mailman.powerdns.com/mailman/listinfo/pdns-users
>
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