[Pdns-users] pdns-recursor local-address

[Peter van Dijk]

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 0.0.0.0, 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/