[Bug network/19697] /etc/gai.conf option to configure AF_UNSPEC lookups

[Bug network/19697] /etc/gai.conf option to configure AF_UNSPEC lookups

[walter.sourceware at wjd dot nu]

https://sourceware.org/bugzilla/show_bug.cgi?id=19697

Walter Doekes <walter.sourceware at wjd dot nu> changed:

           What    |Removed                     |Added
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                 CC|                            |walter.sourceware at wjd dot nu

--- Comment #1 from Walter Doekes <walter.sourceware at wjd dot nu> ---
Seeing that this is still an issue and this bug is referenced here and there,
I'd like to shamelessly plug nss-dns4only [1] which uses the nsswitch subsystem
to replace AF_UNSPEC queries.

You may find it useful.

Cheers,
Walter Doekes
OSSO B.V.

[1] https://github.com/ossobv/nss-dns4only

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[Bug network/19697] /etc/gai.conf option to configure AF_UNSPEC lookups

[stsp at users dot sourceforge.net]

https://sourceware.org/bugzilla/show_bug.cgi?id=19697

Stas Sergeev <stsp at users dot sourceforge.net> changed:

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                 CC|                            |stsp at users dot sourceforge.net

--- Comment #2 from Stas Sergeev <stsp at users dot sourceforge.net> ---
(In reply to Walter Doekes from comment #1)
> [1] https://github.com/ossobv/nss-dns4only

Many thanks for the link!
The only working solution I've
found in a few days of searching...

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[Bug network/19697] /etc/gai.conf option to configure AF_UNSPEC lookups

[pemensik at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19697

Petr Menšík <pemensik at redhat dot com> changed:

           What    |Removed                     |Added
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             Blocks|                            |30544


Referenced Bugs:

https://sourceware.org/bugzilla/show_bug.cgi?id=30544
[Bug 30544] [RFE] Make getaddrinfo() with hints ai_flags==AF_UNSPEC query only
AF present on the system
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[Bug network/19697] /etc/gai.conf option to configure AF_UNSPEC lookups

[pemensik at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19697

Petr Menšík <pemensik at redhat dot com> changed:

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                 CC|                            |pemensik at redhat dot com

--- Comment #3 from Petr Menšík <pemensik at redhat dot com> ---
I made alternative proposal in bug #30544. I think it should not be done in
gai.conf, but instead in /etc/resolv.conf only. Alternative resolution way like
mdns can resolve IPv6 even if the network does not support it. But DNS protocol
is not related to specific interface and replies cannot contain scope_id, so
something similar cannot ever work there. Link-local addresses over DNS will
not work well, especially when connected by multiple interfaces.

localhost and other files should still work.

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