Re: defaulting to net.ipv6.bindv6only=1 for squeeze
On Sat, Oct 24, 2009 at 08:24:31PM +0200, Marco d'Itri wrote:
>
> Applications can change the behaviour for their sockets using setsockopt
> and the IPV6_V6ONLY option[2], and many already do this to prevent the
> need of adjusting their configuration depending on how the system is
> configured.
Why don't you fix the applications not doing that? As I see
it this only has an effect on what I would call broken
applications. I see 2 possible things:
- The application is broken and doesn't try to open 2 sockets
at all. This means now you break their ipv4 support.
- The application already tries to open the 2 sockets, but
didn't call setsockopt() so the 2nd one just fails. Adding
the setsockopt() is a very simple change and doesn't break
anything and has the effect you want. This is a very
simple change to make.
It looks like the only application I'm running that isn't calling
the setsockopt is samba.
Kurt
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