IPv6 and commit d882add695bbd5ea03961c08ac2c0380fbf2947b

[Jeremy Allison]

On Fri, Sep 16, 2022 at 04:17:46PM -0400, Nathaniel W. Turner via samba-technical wrote:
>Hi folks,
>
>I'm investigating an apparent regression in IPv6 support in the "net"
>command, and I have some questions about commit
>d882add695bbd5ea03961c08ac2c0380fbf2947b.
>
>It looks like it was intended to improve and simplify DNS lookups, but
>unless I'm reading it wrong, it seems to have introduced the assumption
>that if a DC has IPv4 addresses, all clients will too.
>
>If a DC is configured to support both IPv4 and IPv6, and a client in that
>environment is configured IPv6-only (e.g. as part of a transition to
>all-IPv6), it looks like the logic will pick one of the DC's IPv4 addresses
>and ignore it's IPv6 addresses.
>
>Am I missing something?

No that's probably correct. I didn't think I'd
changed the logic here, but it seems I did.

If you'd like to log a bug and send a fix for this
to gitlab, I'm happy to review and get it into
the supported trees.

Thanks !

Jeremy.