x11/gdm: default IPv6 disables IPv4 for xdmcp
Boris Samorodov
bsam at ipt.ru
Sat Dec 16 11:12:31 PST 2006
On Sat, 16 Dec 2006 13:50:04 -0500 Joe Marcus Clarke wrote:
> On Fri, 2006-12-15 at 22:30 +0300, Boris Samorodov wrote:
> > Way back before gnome-2.14 IPv6 and IPv4 were mutual exclusive.
> > Current gdm-2.16.4 behaves the same:
> >
> > - gdm built with defaults listens only at udp6:
> > %netstat -a | grep xdm
> > udp6 0 0 *.xdmcp *.*
> >
> > - disabling IPv6 helps to listen at udp4.
> GDM has been fixed so that if IPv6 support is enabled, IPv4 support will
> still work iff v6 does not at runtime. So, GDM will attempt to bind
OK. As I understand it is so designed that with current defaults
(GENERIC kernel, GDM built with default values, etc -- i.e. the
recommended testing machine) GDM will not give IPv4 xdmcp access...
> using an IPv6 address. Previously, if this failed, and IPv6 support was
> enabled, GDM would not enable XDMCP support. Now, it will fallback to
> IPv4.
...or I totally misunerstood you.
WBR
--
Boris Samorodov (bsam)
Research Engineer, http://www.ipt.ru Telephone & Internet SP
FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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