Plans for IPv6 support on windows?

Gunnar Boe gunnar.boe at
Mon Jan 30 11:41:50 EST 2012

I have now tested IRC (with SSL) on:
- an IPv6-only network and also on
- a dual IPv4/IPv6 network and on
- an IPv4-only network

They all work fine!


On 19.01.2012 08:16, Gunnar Boe wrote:
> On 18.01.2012 20:45, Eion Robb wrote:
>> On 19 January 2012 05:51, Gunnar Boe <gunnar.boe at
>> <mailto:gunnar.boe at>> wrote:
>>     I have now tested XMPP on:
>>     - an IPv6-only network and also on
>>     - a dual IPv4/IPv6 network
>>     This DLL works on both for XMPP for IPv6 connections.  No
>>     problems found so far.
>>     I have not tested this DLL for :
>>     - XMPP on an IPv4 only network.
>>     - fallback mechanisms on IPv6
>>     I also tried MSN, but that failed (Mirsoft don't have their MSN
>>     servers on IPv6).
>>     We are very grateful for your prompt response and we will
>>     continue to use this dll. Don't hesitate to contact me if you
>>     some more specific testing done relating to IPv6.
>>     This page provide info on domains with IPv6 enabled XMPP servers:
>>     Check out this website if you want IPv6 at home:
>>     Cheers,
>>       gunnar
>> Interesting that it worked for you.  I had a quick test this morning
>> on my IPv4-only system and get a lot of  "Windows socket error
>> #10014" errors, so most protocols wouldn't connect, not on XMPP
>> though.  From MSDN:
>> "10014 - WSAEFAULT - Bad address. The system detected an invalid
>> pointer address in attempting to use a pointer argument of a call.
>> This error occurs if an application passes an invalid pointer value,
>> or if the length of the buffer is too small. For instance, if the
>> length of an argument, which is a sockaddr structure, is smaller than
>> the sizeof(SOCKADDR)."
> It migth be related to IPv6 tunneling mechanisms. If you are running
> Windows7, you should check the output of ipconfig and see if you have
> Teredo or 6to4 configured.  If so, then use Wireshark to check if
> Pigdin is trying to connect using these mechanisms (addresses).
> The reason why I'm pointing you in this direction is that I have
> managed to do a test on an IPv4 only network (hard to find one of
> those these days:-) and that worked fine.  However, I have turned off
> Teredo and 6to4 on my machine.
> regards,
> gunnar
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