Le 2014-04-29 09:52, Giancarlo Razzolini a écrit :
> I disable ipv6 across all my linux desktops installations because some
> daemons aren't smart enough to not try it first. Postfix is one that
> comes from the top of my mind.

That's why we needed AI_ADDRCONFIG. The point is that getaddrinfo()
shouldn't be doing IPvX lookups if you don't have at least one IPvX
address configured on an interface.

> Also, I believe firefox will default to
> ipv6 then ipv4 if you have it enabled.

It attempts both in parallel. Google for
"network.http.fast-fallback-to-IPv4".

Simon

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