samba_dnsupdate and multiple interfaces

brendan powers brendan0powers at
Tue Apr 26 11:43:22 MDT 2011

Adding interfaces = to my smb.conf fixed my issue.

On Tue, Apr 26, 2011 at 1:35 PM, brendan powers
<brendan0powers at> wrote:
> I'm running bind 9.7.3 and I have DNS and dynamic updates configured
> and working. The problem is that when samba does it's DNS updates, it
> adds a lot of extra addresses to the zone. I have manually edited the
> samba_dnsupdate script to only use the correct IP, and that has fixed
> things for now.  However, I'm wondering why samba_dnsupdate is set up
> to work this way.
> On Tue, Apr 26, 2011 at 1:27 PM, Theresa Halloran
> <thallora at> wrote:
>> On 4/26/2011 1:00 PM, brendan powers wrote:
>>> Does anyone know why samba_dnsupdate adds DNS records for all
>>> interfaces except loopback? This is causing problems in my setup
>>> because it adds records for subnets that are not available from my
>>> network(VPN and VMWare interfaces).
>>> This would be very useful if bind new what IPs to hand out to what
>>> clients. However, it just picks from the list in a round robin
>>> fashion(I think), and clients on my network get addresses outside
>>> their range.
>>> Am I doing something wrong, or is this the way the samba_dnsupdate
>>> script is supposed to work?
>> Hi Brendan,  I am new to samba and have been bringing up samba4 to try
>> things out.  For what its worth, I had trouble with DNS initially as well,
>> and have two suggestions:
>> 1) what level of bind do you have?  if pre 9.8, then upgrade to post 9.8 as
>> several fixes have been put in for samba at 9.8 level.  This can save a lot
>> of time....
>> 2) Have you seen the the samba4 how-to:
>> ...step 8 has information on how to configure the DNS and some suggestions
>> on how to avoid some common problems and step 10 is on configuring kerberos
>> DNS dynamic updates.
>> Theresa

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