Re: Linux.conf.au 2003 Report

Gavin Sherry wrote:
> On Sun, 2 Feb 2003, Bruce Momjian wrote:
>
> > Kurt Roeckx wrote:
> > > On Sat, Feb 01, 2003 at 02:35:15PM +0900, Curt Sampson wrote:
> > > >
> > > > Sure. But you still want to be able to say (and can say, in some [many?]
> > > > socket API implementations) that you want to accept only IPv4 or only IPv6
> > > > connections. I also want to be able to say the same thing in my database.
> > >
> > > You just create either an ipv4 or ipv6 socket. And then you can
> > > bind to an address of that type if you want. Either all
> > > addresses or a specific one.
> > >
> > > Depending on the OS, binding to all addresses on IPv6 will also
> > > bind to all the ipv4 addresses, which can be both handy an
> > > annoying. On others you need 2 sockets if you want to listen on
> > > both ipv4 and ipv6, which makes more sense.
> >
> > Well, that's interesting. Current CVS only binds to IPv6, and assumes
> > IPv4 will work too. If some OS's require a separate Ipv4 binding, we
> > are going to hear about it before 7.4:
>
> 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.

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