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From: Rich Felker <dalias@libc.org>
To: Florian Weimer <fweimer@redhat.com>
Cc: "A. Wilcox" <awilfox@adelielinux.org>, musl@lists.openwall.com
Subject: Re: DNS resolver patch
Date: Thu, 6 Dec 2018 16:01:52 -0500	[thread overview]
Message-ID: <20181206210152.GC23599@brightrain.aerifal.cx> (raw)
In-Reply-To: <87pnuegzpq.fsf@oldenburg2.str.redhat.com>

On Thu, Dec 06, 2018 at 09:36:01PM +0100, Florian Weimer wrote:
> * A. Wilcox:
> 
> > On 12/06/18 12:18, Florian Weimer wrote:
> >> The alternative, using a NOERROR/NODATA response, confuses musl search
> >> processing.
> >
> > ???
> >
> > The musl resolver should be able to handle a resolver returning NODATA.
> > That is popular for having a separate extranet infrastructure - your
> > extranet DNS only contains records for your local domain and returns
> > NODATA for requests outside that domain.
> >
> > If you are correct that such a response "confuses musl search
> > processing", that's a bug in musl that needs to be fixed.
> 
> <https://www.openwall.com/lists/musl/2018/03/31/2>
> 
> I don't know if it was merged.

That patch didn't (and fundamentally can't) produce fully-consistent
results (consistent with non-A/AAAA queries). Something similar (with
configurable opt-in) might be sufficient if there were a need, but
supposedly the underlying issue with Cloudflare was fixed. So in
summary, it hasn't been merged.

Rich


  reply	other threads:[~2018-12-06 21:01 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <882247050.3003099.1544074074084.JavaMail.zimbra@totalphase.com>
2018-12-06  5:31 ` Tarun Johar
2018-12-06 14:13   ` Rich Felker
2018-12-06 15:23     ` Natanael Copa
2018-12-06 14:53   ` Florian Weimer
2018-12-06 15:48     ` Natanael Copa
2018-12-06 18:18       ` Florian Weimer
2018-12-06 18:38         ` A. Wilcox
2018-12-06 19:46           ` Laurent Bercot
2018-12-25  2:06             ` Rich Felker
2018-12-27 19:18               ` Florian Weimer
2018-12-28 17:21                 ` Rich Felker
2019-05-30  8:50                   ` Florian Weimer
2019-05-30 13:54                     ` Rich Felker
2018-12-06 20:36           ` Florian Weimer
2018-12-06 21:01             ` Rich Felker [this message]
2018-12-06 18:50       ` Tarun Johar
2018-12-06 19:36         ` Tarun Johar

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