[Pdns-dev] Fwd: How to set PowerDNS Server with option any-to-tcp

[bert hubert]

sent from the wrong account first, sorry.

> Begin forwarded message:
> 
> Subject: Re: [Pdns-dev] How to set PowerDNS Server with option any-to-tcp
> From: bert hubert <bert.hubert at netherlabs.nl>
> Date: 25 Aug 2015 12:39:05 CEST
> Cc: Aki Tuomi <cmouse at youzen.ext.b2.fi>, pdns-dev at mailman.powerdns.com
> To: Burak Ozalp <burak.ozalp at metu.edu.tr>
> 
> 
>> On 25 Aug 2015, at 12:24, Burak Ozalp <burak.ozalp at metu.edu.tr> wrote:
>> 
>> Thanks Bert,
>> 
>> I installed dnsdist. with addAnyTCRule() i can easily do pdns any-to-tcp(). However, i couldn't manage to do for all types of queries. Should I patch the conf file ?
> 
> 
> Hi Burak,
> 
> Try:
> 
> "The blockFilter() also gets passed read/writable copy of the DNS Header. If you invoke setQR(1) on that, dnsdist knows you turned the packet into a response, and will send the answer directly to the original client.
> 
> If you also called setTC(1), this will tell the remote client to move to TCP/IP, and in this way you can implement ANY-to-TCP even for downstream servers that lack this feature.”
> 
> See: https://github.com/PowerDNS/pdns/blob/master/pdns/README-dnsdist.md#any-or-whatever-to-tc
> 
> 
> just call setQR(1) and setTC(1) on the header field of blockFilter() and you are done.
> 
> Good luck!
> 
> 
> 
>> 
>> Best Regards
>> Burak Ozalp
>> 
>> Alinti bert hubert <bert.hubert at powerdns.com>
>> 
>>> Hi Burak,
>>> 
>>> dnsdist can do this easily, please see http://dnsdist.org/ for more details.
>>> It can set TC on any criterium.
>>> 
>>> Good luck!
>>> 
>>> 	Bert
>>> 
>>> On Tue, Aug 25, 2015 at 09:59:12AM +0300, Burak Ozalp wrote:
>>>> Dear Tuomi,
>>>> 
>>>> Yes it works.Does it possible to force all UDP request with
>>>> truncated packet, and force all to use TCP ?
>>>> 
>>>> Best Regards
>>>> Burak Ozalp
>>>> 
>>>> 
>>>> 
>>>> Alinti Aki Tuomi <cmouse at youzen.ext.b2.fi>
>>>> 
>>>>> On Mon, Aug 24, 2015 at 03:36:02PM +0300, Burak Ozalp wrote:
>>>>>> I install PowerDNS with MySql backend from here.I would like to set
>>>>>> any-to-tcp=yes for PowerDNS Server. I tried to configure
>>>>>> /etc/powerdns/pdns.conf file and add a line "any-to-tcp=yes". This
>>>>>> option should reject UDP request from client and force to use tcp.
>>>>>> But when i run dig @127.0.0.1 it doesn't set the truncated bit in
>>>>>> response, so it doesn't work.
>>>>>> 
>>>>>> How to set correctly any-to-tcp option ?
>>>>>> 
>>>>> 
>>>>> It only truncates ANY query, try dig any domain.com @localhost
>>>>> 
>>>>>> 
>>>>>> _______________________________________________
>>>>>> Pdns-dev mailing list
>>>>>> Pdns-dev at mailman.powerdns.com
>>>>>> http://mailman.powerdns.com/mailman/listinfo/pdns-dev
>>>>>> 
>>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
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>>>> 
>>> 
>> 
>> 
>> 
>> 
> 

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