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From: Stefan Fritsch <sf@sfritsch.de>
To: dev@httpd.apache.org
Subject: Re: svn commit: r1146256 - in /httpd/httpd/trunk: CHANGES
 server/config.c
Date: Thu, 14 Jul 2011 23:28:13 +0200
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 <20110714104806.GA11042@redhat.com>
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On Thursday 14 July 2011, Joe Orton wrote:
> On Wed, Jul 13, 2011 at 07:21:11PM -0000, sf@apache.org wrote:
> > Author: sf
> > Date: Wed Jul 13 19:21:11 2011
> > New Revision: 1146256
> > 
> > URL: http://svn.apache.org/viewvc?rev=1146256&view=rev
> > Log:
> > Use APR_UNSPEC to allow startup on IP6-only systems.
> > 
> > PR: 50592
> > Submitted by: Joe Orton, 2510 <root linkage white-void net>
> 
> Thanks, Stefan.  I was a little bit unsure about this.  For a
> "normal" dual-stack system, it does change behaviour; the default
> vhost will have host_addr with two addresses, [::] then 0.0.0.0. 
> (In that order, on my system, which is odd, since getaddrinfo()
> should be returning them with [::] last... I started
> investingating that but got distracted.)
>
> But it should be correct to use AF_UNSPEC here.  We'll see if
> anything breaks, I guess ;)

I think AF_UNSPEC should be more correct. But there are so many 
plattforms with different behaviour that it is impossible to say if it 
will break something. Simply trying this out in a beta is not the 
worst thing to do, IMHO. Or would you prefer using the retry-with-
APR_INET6 solution?