Re: Linux.conf.au 2003 Report

Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Gavin Sherry wrote:
> >> I don't think we should listen on IPv6 just because it is supported. It
> >> should be a configuration variable:
> >>
> >> tcpip_socket = true
> >> ipv6 = true
>
> > We had a huge discussion on this. I think you were away for it. You
> > can control what you listen on by modifying pg_hba.conf.
>
> Can you actually control whether the postmaster is listening by
> modifying pg_hba.conf? I don't think so.

Good question. I assumed if you removed the IPv6 local address that a
local IPv6 wouldn't work, and that you need to specify an IPv6 remote
host to have it be accepted. Yes, it is still listening on Ipv6, but no
one can get in except localhost by default, so I don't see the issue.

> I think I was the one who talked us into assuming that ipv4 and ipv6
> should be treated as a single protocol. But some people have since made
> pretty good cases that it's better to regard them as separate protocols.
> Perhaps we should rethink that decision.

Sure.

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