[Pdns-users] pdns-recursor local-address

John Miller johnmill at brandeis.edu
Fri Oct 26 13:25:29 UTC 2012

Bert and Peter,

Thanks to both of you.  While I certainly don't "need" the feature, it'd 
certainly be nice to have (and harder for those who don't know otherwise 
to go astray).  Thanks for your hard work and for clarifying things.


On 10/26/2012 02:02 AM, Peter van Dijk wrote:
> Hi John,
> On Oct 26, 2012, at 7:35 , bert hubert wrote:
>> On Thu, Oct 25, 2012 at 10:52:44AM -0400, John Miller wrote:
>>> Could someone point me to some docs for these "UNIX semantics?"  For
>>> some perspective, we're running an Apache server (with multiple
>>> IPs), listening on, that returns traffic from the IP it
>>> received its traffic on.
>> Like Marc explained, this is all about UDP. The kernel does not *know* which
>> address to respond from using standard UNIX system calls.
>> Starting with the upcoming PowerDNS Authoritative Server 3.2, this is fixed
>> however. For details, see
>> http://bert-hubert.blogspot.nl/2012/10/on-binding-datagram-udp-sockets-to-any.html
> In addition, slightly closer related to John's question, this method will also be implemented in Recursor 3.5 when it comes out.
> Kind regards,

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