Subj : Re: IPv6
To   : Wilfred van Velzen
From : Markus Reschke
Date : Sat Nov 30 2013 16:25:58

Hello Wilfred!

Nov 30 12:39 2013, Wilfred van Velzen wrote to Michiel van der Vlist:

 MvdV>> If the target has an AAAA record try IPv6 first.
 MvdV>> Unless the IPv6 is via Teredo, then try IPv4 first.

 WvV> I don't know if binkd uses glibc for this. But on my linux system, 
 WvV> binkd always uses the IPv6 address first...

The resolving is done by calling getaddrinfo() which supports IPv4 and IPv6 addresses. The output list can be controlled with /etc/gai-conf. In my case I prefer IPv4 for outgoing connections because my IPv6 connectivity is based on a tunnel (latency, overhead). The default is to prefer IPv6 if available.

Regards,
Markus

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