[Samba] samba DC and docker interfaces?

[Andrew Bartlett]

On Thu, 2020-12-17 at 13:08 -0400, Robert Marcano via samba wrote:
> On 12/17/20 1:04 PM, Robert Marcano wrote:
> > On 12/17/20 12:50 PM, Joachim Lindenberg via samba wrote:
> > > I configured docker on one of my DCs, and the DC now registers
> > > the 
> > > docker bridge as one of its IP address in DNS. Is there a way to 
> > > suppress this?
> > > 
> > > Thanks, Joachim
> > > 
> > 
> > I have never managed to do this, the container private IP is
> > always 
> > added because it is listening on it. I had to enable host
> > networking in 
> > order to Samba only use public addresses.
> > 
> > I even tried with a script to remove the offending IP DNS record,
> > but 
> > noticed it was being added again while the DC was running.
> 
> Now that I reread this, you are running Docker not Samba inside a
> Docker 
> container, use the "interfaces" global option

Yeah, that's the right fix for that.

For the 'I'm running Samba in a container and I need the public IP
listed in DNS' problem, see the '--current-ip' option to
samba_dnsupdate.  You can then specify that in the 'dns update command'
in the smb.conf, overriding the default.

Andrew Bartlett

-- 
Andrew Bartlett (he/him)       https://samba.org/~abartlet/
Samba Team Member (since 2001) https://samba.org
Samba Team Lead, Catalyst IT   https://catalyst.net.nz/services/samba