[Samba] Samba DNS + caching dns on same box

Rowland Penny rowlandpenny at googlemail.com
Sat Nov 1 05:03:11 MDT 2014

On 01/11/14 10:25, Marc Muehlfeld wrote:
> Hello Greg,
> Am 01.11.2014 um 08:59 schrieb Greg Zartman:
>> What is the best way to do this without using bind?   Can I bind samba to
>> the local host and then the caching dns to the local ip?
> You can't bind just the internal DNS to localhost and not Samba itself.
> And it makes no sense to run a DC, that listens just on localhost. :-)
> If you would use BIND9_DLZ, then you could configure BIND to just listen
> on localhost, while Samba does on all interaces. But in that case, you
> can use BIND at all. ;-)
> I would run the caching DNS on a different host and forward requests for
> AD zones to your Samba DC. That's the easiest.
> Or you do something freaky (it's not a recommendation!): ;-)
> - Configure your caching DNS to listen on a different port than :53
> - Configure an iptables rule, that forwards all incomming traffic, that
> comes through your NIC for port :53 to the other port your caching DNS
> is running on.
> Regards,
> Marc
Hi Marc, I think the problem is that the OP is thinking in S3 mode where 
you can easily run a caching name server. I personally don't run or need 
a caching nameserver, I just run Bind9 and forward to another name 
server. I think that this is probably the best way.


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