--with-ipv4-default and sshd IPv4/6 dual bind hack

[Frederic Lepied]

Damien Miller <djm at mindrot.org> writes:

> On Mon, 5 Mar 2001, Pekka Savola wrote:
> 
> > Hello all,
> >
> > I just found a bug a nice bug that can be turned into a real feature on
> > systems (usually Linux) that are built with --with-ipv4-default.
> >
> > If you enable IPv6 in kernel, and enable both listenaddress 0.0.0.0 and
> > ::, sshd will error out 'address family not supported'.
> >
> > However, you can work around this error by starting sshd with 'sshd -4 -6'.
> >
> > As far as man page is concerned, I'm getting the impression that you
> > should be able to use only  -4 or -6, not both.
> 
> It may be that the reason for the hack has been fixed. Can someone
> with a recent Linux kernel with IPv6 compiled in (or module loaded)
> build OpenSSH without the --with-ipv4-default hack and see whether
> it still waits ages for nameserver lookups at connect?
>

No more hang here.
-- 
Fred - May the source be with you