[Pdns-users] TCP Queries always go to the recursor?

[Jordan Tardif]

Any idea on when this is going to make it into a final release?


-- 
Jordan Tardif
DreamHost

On Thu, 14 Dec 2006, REIBENSCHUH Alfred wrote:

> this is a bug in powerdns tcp implementation, i posted a patch for this a
> few days ago
>
> --
> Alfred Reibenschuh
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>> -----Original Message-----
>> From: Augie Schwer [mailto:augie.schwer at gmail.com]
>> Sent: Thursday, December 14, 2006 1:07 AM
>> To: pdns-users at mailman.powerdns.com
>> Subject: [Pdns-users] TCP Queries always go to the recursor?
>>
>>
>> Is there a reason why TCP queries are always getting sent to the
>> recursor (if available) for answers instead of checking for an
>> authoritative answer first and then recursing if no authoritative
>> answer was found?
>>
>> I am able to reproduce this by setting up a bogus zone in our
>> authoritative data (MySQL) and watching as I get the correct answer
>> for UDP recurse and norecurse queries as well as TCP norecurse
>> queries, however I see root referrals for TCP recurse queries. An even
>> easier way to see this is to ask for the version.bind :
>>
>> [augie at augnix ~]$ dig +short ch txt version.bind @pdns-lab
>> +notcp +norecurse
>> "Served by POWERDNS 2.9.21-svn.20061029.908 $Id: packethandler.cc 884
>> 2006-08-19 12:32:32Z ahu $"
>>
>> [augie at augnix ~]$ dig +short ch txt version.bind @pdns-lab
>> +notcp +recurse
>> "Served by POWERDNS 2.9.21-svn.20061029.908 $Id: packethandler.cc 884
>> 2006-08-19 12:32:32Z ahu $"
>>
>> [augie at augnix ~]$ dig +short ch txt version.bind @pdns-lab
>> +tcp +norecurse
>> "Served by POWERDNS 2.9.21-svn.20061029.908 $Id: packethandler.cc 884
>> 2006-08-19 12:32:32Z ahu $"
>>
>> [augie at augnix ~]$ dig +short ch txt version.bind @pdns-lab
>> +tcp +recurse
>> "PowerDNS Recursor 3.1.4-pre2 $Id: pdns_recursor.cc 903 2006-10-21
>> 16:26:49Z ahu $"
>>
>> I am going to go check the RFC, but does anyone know why this would be
>> the case? This is with both PowerDNS recursor and BIND as a recursor.
>>
>>
>> --
>> Augie Schwer    -    Augie at Schwer.us    -    http://schwer.us
>> Key fingerprint = 9815 AE19 AFD1 1FE7 5DEE 2AC3 CB99 2784 27B0 C072
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>>
>