enabling internal DNS

Daniele Dario d.dario76 at gmail.com
Mon Sep 17 05:52:13 MDT 2012


Hi Kai,

On Mon, 2012-09-17 at 13:27 +0200, Kai Blin wrote:
> On 2012-09-17 13:18, Daniele Dario wrote:
> 
> Hi Daniele,
> 
> >> I updated the secondary DC to rc1 and added the dns forwarder = IP1 IP2
> >> line and all seems to be OK. Tomorrow I'll update also the primary one
> >> and do the same job.
> 
> Currently you can only set one forwarder. Our DNS library doesn't
> support more than that at the moment.
> 
> Cheers,
> Kai
> 

at the moment I have added in smb.conf
	dns forwarder = 82.193.37.1

Now, when I start samba no errors are fired for the dns forwarder
parameter.

resolv.conf contains
domain saitelitalia.local
search saitelitalia.local
nameserver 192.168.12.2
nameserver 192.168.12.5

where 192.168.12.2 is kdc02 (the DC I've updated to rc1+s3fs+internal
dns) while 192.168.12.5 is kdc01 (the primary DC with beta3+bind9+dlz).

On kdc02 looking for hosts on my domain I have:
[root at kdc02:~]# nslookup filesrv01
Server:		192.168.12.2
Address:	192.168.12.2#53

Name:	filesrv01.saitelitalia.local
Address: 192.168.12.6

which seems to be correct: the DC/DNS is looking inside itself to find
the answer but looking for some host outside my domain i have:

[root at kdc02:~]# nslookup www.google.it
Server:		192.168.12.5
Address:	192.168.12.5#53

Non-authoritative answer:
Name:	www.google.it
Address: 173.194.35.151
Name:	www.google.it
Address: 173.194.35.159
Name:	www.google.it
Address: 173.194.35.152

which tells me kdc02 "forwards" the request to kdc01.

When I perform the request on kdc02, in the log.samba appears

../source4/dns_server/dns_query.c:604(dns_server_process_query_send)
  Not authoritative for 'www.google.it', forwarding

but it does not forward to the forwarder but to the other DC.

What am I doing wrong?

Thanks in advance,
Daniele.



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