[Samba] ipv6 with Samba-AD-DC?

[Rowland Penny]

On Thu, 15 Feb 2024 16:18:42 +0100
Joachim Lindenberg via samba <samba at lists.samba.org> wrote:

> By accident one of my DCs has IPv6 enabled, contrary to the other two
> DCs. I don´t remember whether I turned IPv6 on or off explicitly on
> any of these, but anyway…
> 
> I also run a monitoring tool that checks whether „published services“
> are available, and it performs checking for any IP-Address known. Now
> the tool thus tested the DC with IPv6 enabled whether it responds to
> DNS queries on IPv6, and it doesn´t, netstat -a -n  | grep LISTEN |
> grep ":53" shows tcp and no tcp6.
> 
> I didn´t find a configuration option to enable/disable IPv6, thus I
> am wondering whether this is by design or just a leftover. Or did I
> miss some documentation?
> 

I don't use IPv6, but I think it is one of the things that is checked
during a provision or join. I have seen something like 'no IPv6
interfaces found, will not use IPv6 addresses' during either setup.

Do you need IPv6, do you have over 16 million network devices ? It
might just be easier to turn off IPv6 on that DC.

Rowland