In the german mailing list is a discussion about it.
Summary: a bug has been reported
> /etc/sysctl.d/bindv6only.conf
> -> net.ipv6.bindv6only = 0
see also:
From: marcus@better.se (Marcus Better)
Newsgroups: local.lists.debian.devel
Subject: Re: defaulting to net.ipv6.bindv6only=1 for squeeze
Date: Wed, 09 Dec 2009 13:07:39 +0100
Message-ID: <hfo3ue$l2f$1@ger.gmane.org>
Marco d'Itri wrote:
> On Oct 24, Marco d'Itri <md@Linux.IT> wrote:
>> I am proposing to set net.ipv6.bindv6only=1 by default for new
>> installations
> Done, let's see what breaks. :-)
All of Java, it seems [1]. I'm very surprised this breakage was known in
advance [2] but no bugs were filed (TTBOMK) before making this change.
Hoping it can be fixed quickly.
Cheers,
Marcus
[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560056
[2] http://lists.debian.org/debian-devel/2009/10/msg00573.html
Mit freundlichen Grüßen
Tim Rühsen