Hi Roman

You helped me with the IPv6 patch. Can you help me to create a patch
to conform to this as well?

Best regards,

// Ola

On Wed, Dec 09, 2009 at 02:41:41PM +0500, Roman Mamedov wrote:
> On Wed, 09 Dec 2009 03:00:38 -0500
> Jacob Heider <[email protected]> wrote:
> 
> > I tried using 4.1.1+X4.3.0-34 but it would only bind to the IPv6 port.
> > After reverting, I read the bug report for #550789. It looks like the
> > patch respects the value of /proc/sys/net/ipv6/bindv6only, which the
> > submitter claims defaults to 0. I have an /etc/sysctl.d/bindv6only.conf
> > (which doesn't seem to belong to any package) which states the
> > following:
> > 
> > ----
> > 
> > # This sysctl sets the default value of the IPV6_V6ONLY socket option.
> > #
> > # When disabled, IPv6 sockets will also be able to send and receive IPv4
> > # traffic with addresses in the form ::ffff:192.0.2.1 and daemons
> > # listening
> > # on IPv6 sockets will also accept IPv4 connections.
> > #
> > # When IPV6_V6ONLY is enabled, daemons interested in both IPv4 and IPv6
> > # connections must open two listening sockets.
> > # This is the default behaviour of all modern operating systems.
> > 
> > net.ipv6.bindv6only = 1
> > 
> > ----
> > 
> > Now, I don't have any reason to retain that file that I know of, but my
> > concerns are two-fold:
> > 
> > 1) some package has created this file at some point
> 
> This file is introduced by a very recent update to netbase:
> 
>  netbase  (4.38) unstable; urgency=low
> 
>    * Create /etc/sysctl.d/bindv6only.conf on upgrades and new installs
>      to set net.ipv6.bindv6only=1.
> <...>
> 
>  -- Marco d'Itri <[email protected]>  Sun, 06 Dec 2009 17:09:41 +0100 
> 
> This will break many other apps too, e.g. http://bugs.debian.org/560056
> To fix the issue you'll need to change that setting back to 0:
> 
> sudo sed -i 's/net.ipv6.bindv6only\ =\ 1/net.ipv6.bindv6only\ =\ 0/' \
>   /etc/sysctl.d/bindv6only.conf && sudo invoke-rc.d procps restart
> 
> There's a discussion on the matter here:
> http://old.nabble.com/defaulting-to-net.ipv6.bindv6only%3D1-for-squeeze-td26041698.html
> 
> -- 
> With respect,
> Roman



-- 
 --------------------- Ola Lundqvist ---------------------------
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