Your message dated Wed, 7 Sep 2011 00:35:04 +0200
with message-id <[email protected]>
and subject line Re: Bug#640729: netbase: /etc/sysctl.d/bindv6only.conf should 
not be the default
has caused the Debian Bug report #640729,
regarding netbase: /etc/sysctl.d/bindv6only.conf should not be the default
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
640729: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=640729
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: netbase
Version: 4.45
Severity: important
Tags: ipv6


I've just discovered that netbase now sets the system parameter bindv6only. 
This seems completely wrong to me, especially in the light that acceptance
for IPv6 is still very low simply because there's next to no
interoperability with IPv4.  Luckily, at least servers can listen for IPv4
and IPv6 connections with a single socket, using ::ffff:x.x.x.x addresses
for IPv4 clients.  I've been busy changing my own code (tons of stuff) to do
just that (i.e. listen to a single IPv6 socket which will also accept IPv4
connections) and now I find out that this is disabled per default in
Debian...!

The comment in /etc/sysctl.d/bindv6only says:

# This is the default behaviour of almost all modern operating systems.

This is the first time I hear about this. All boxes I'm dealing with (SunOS,
HP-UX, AIX, various Linux distributions) have this questionable feature
disabled and will accept IPv4 connections on an IPv6 socket.  The only
operating system I know of that doesn't (didn't?) have a dual mode IP stack
is Windows ;)


-- System Information:
Debian Release: 6.0.2
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-cm1.7-686 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages netbase depends on:
ii  initscripts             2.88dsf-13.1     scripts for initializing and shutt
ii  lsb-base                3.2-23.2squeeze1 Linux Standard Base 3.2 init scrip

Versions of packages netbase recommends:
ii  ifupdown                      0.6.10     high level tools to configure netw

netbase suggests no packages.

-- no debconf information



--- End Message ---
--- Begin Message ---
#639779

-- 
ciao,
Marco

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