On Tue, Feb 02, 2016 at 10:48:09AM +0000, Ruslan Ermilov wrote:
> details: http://hg.nginx.org/nginx/rev/a6a5bacf6b74
> branches:
> changeset: 6372:a6a5bacf6b74
> user: Ruslan Ermilov <ru@nginx.com>
> date: Thu Dec 17 17:30:22 2015 +0300
> description:
> Resolver: style.
>
> Use the original query name in error and debug messages when
> processing PTR responses.

[..]

On Tue, Feb 02, 2016 at 10:48:06AM +0000, Ruslan Ermilov wrote:
> details: http://hg.nginx.org/nginx/rev/33c4d319f08f
> branches:
> changeset: 6371:33c4d319f08f
> user: Ruslan Ermilov <ru@nginx.com>
> date: Thu Dec 17 17:21:16 2015 +0300
> description:
> Resolver: improved PTR response processing.
>
> The previous code only parsed the first answer, without checking its
> type, and required a compressed RR name.
>
> The new code checks the RR type, supports responses with multiple
> answers, and doesn't require the RR name to be compressed.
>
> This has a side effect in limited support of CNAME. If a response
> includes both CNAME and PTR RRs, like when recursion is enabled on
> the server, PTR RR is handled.
>
> Full CNAME support in PTR response is not implemented in this change.

[..]

On Tue, Feb 02, 2016 at 10:48:04AM +0000, Ruslan Ermilov wrote:
> details: http://hg.nginx.org/nginx/rev/8c8739bdd3f1
> branches:
> changeset: 6370:8c8739bdd3f1
> user: Ruslan Ermilov <ru@nginx.com>
> date: Thu Dec 17 17:21:12 2015 +0300
> description:
> Resolver: style.
>
> Renamed argument in ngx_resolver_process_a() for consistency.

Эти патчи смотрел.

--
Roman Arutyunyan

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