[Pdns-users] pdns-recursor local-address

Peter van Dijk peter.van.dijk at netherlabs.nl
Fri Oct 26 06:02:17 UTC 2012

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,
Peter van Dijk
Netherlabs Computer Consulting BV - http://www.netherlabs.nl/

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