SRV lookup support (Bugzilla 2217)

[Thorsten Glaser]

On Thu, 18 Feb 2021, James Bottomley wrote:

> > It’s still a level of indirection that isn’t traditionally used, and
						 ^^^^^^^^^^^^

> SRV is used as a requirement by several protocols today.  Xmpp simply
						    ^^^^^

Do you see it?

> >  especially considering name resolution is not just DNS (think
> > /etc/hosts for example).
> 
> /etc/host only resolves A and AAAA records, so it would have no impact
> on SRV records at all.

That’s part of what makes me nervous. If foo.example.com has an SRV RR
and I add an entry for foo.example.com into /etc/hosts to temporarily
locally redirect it, does that mean the hosts entry will be ignored if
SRV RR usage is enabled?

I can’t see where this will end up in anything other than sysadmin
tears.

bye,
//mirabilos
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