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Date:      Sat, 16 Dec 2006 23:20:26 +0300
From:      Boris Samorodov <bsam@ipt.ru>
To:        Joe Marcus Clarke <marcus@marcuscom.com>
Cc:        freebsd-gnome@freebsd.org
Subject:   Re: x11/gdm: default IPv6 disables IPv4 for xdmcp
Message-ID:  <22031973@srv.sem.ipt.ru>
In-Reply-To: <1166297330.21155.9.camel@shumai.marcuscom.com> (Joe Marcus Clarke's message of "Sat, 16 Dec 2006 14:28:50 -0500")
References:  <00614590@srv.sem.ipt.ru> <1166295004.21155.8.camel@shumai.marcuscom.com> <48751517@srv.sem.ipt.ru> <1166297330.21155.9.camel@shumai.marcuscom.com>

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On Sat, 16 Dec 2006 14:28:50 -0500 Joe Marcus Clarke wrote:
> On Sat, 2006-12-16 at 22:13 +0300, Boris Samorodov wrote:
> > 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...

> Correct.  If you have IPv6 enabled interfaces, then GDM will use IPv6.

Got it, thanks.


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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