[Bug 24828] Re: IPv6 should be disabled by default

Rémi Denis-Courmont rdenis at simphalempin.com
Tue Apr 3 08:07:13 UTC 2007

On Tue, 03 Apr 2007 05:50:13 -0000, Thomas Butter <thomas at gmx.net> wrote:
> The relevant changes in glibc 2.5 are address sorting related. I don't
> think it allows disabling AAAA queries in gai.conf

Yes. These changes will NOT AT ALL fix the AAAA timeout problem. But some
people reported there were "other" (unspecified?) issues than AAAA timeout.

glibc 2.5 (and kernel will fix a bunch of other potential
IPv6-related inconviences:
It will not cause connection timeouts when trying to connect to a
dual-stack server from a dual-stack private-IPv6(ULAs) and IPv4 network,
as IPv4 will be attempted first.
Similarly, if you have sone clueless XP/Vista box advertising a 6to4 prefix
on the network: glibc 2.5 will prioritize IPv4 (unless the final destination
has a 6to4 address), whereas glibc 2.3 would prioritize IPv6.

Rémi Denis-Courmont

IPv6 should be disabled by default
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