Re: I-D Action: draft-west-let-localhost-be-localhost-00.txt
Mike West <mkwst@google.com> Tue, 27 September 2016 08:16 UTC
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From: Mike West <mkwst@google.com>
Date: Tue, 27 Sep 2016 10:16:08 +0200
Message-ID: <CAKXHy=fCoQPb4EJ2aS9Lfj6yKM-HotjhO_VsPk2PDeFATxpGdg@mail.gmail.com>
Subject: Re: I-D Action: draft-west-let-localhost-be-localhost-00.txt
To: Emily Shepherd <emily@emilyshepherd.me>
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Cc: draft-west-let-localhost-be-localhost@ietf.org, ietf@ietf.org
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Thanks for your feedback, Emily! On Tue, Sep 27, 2016 at 1:39 AM, Emily Shepherd <emily@emilyshepherd.me> wrote: > As this proposal is in the name of consistency, is there an argument we > should be strict and explicitly define *which* loopback address DNS servers > must return when queried? > I was intentionally vague on that point, as one of the scenarios raised in https://github.com/w3c/webappsec-secure-contexts/issues/43 was a developer who was pointing `project1.localhost` to 127.0.0.1, and `project2.localhost` to 127.0.0.2 in /etc/hosts (and presumably had a server configured accordingly). It seems like that's a reasonable thing to support. Any loopback address is fine with me. Also, as a nit-picky caveat: might there be a special case worth > considering when a system is running a caching DNS server locally? In that > case, it could theoretically be acceptable for a name resolution API / > library to forward on the request. > > 2. Item #4 is changed to read as follows: >> >> Caching DNS servers MUST recognize localhost names as special, >> and MUST NOT attempt to look up NS records for them, or otherwise >> query authoritative DNS servers in an attempt to resolve >> localhost names. Instead, caching DNS servers >> > > Are we missing a 'MUST,' on the end of that last line? Yes. We are. Remind me to read drafts before uploading them. :) I meant this to say something like "MUST generate an immediate negative response." -mike
- Re: I-D Action: draft-west-let-localhost-be-local… Emily Shepherd
- Re: I-D Action: draft-west-let-localhost-be-local… Mike West
- Re: I-D Action: draft-west-let-localhost-be-local… Mike West
- Re: I-D Action: draft-west-let-localhost-be-local… John Levine
- Re: I-D Action: draft-west-let-localhost-be-local… Emily Shepherd
- Re: I-D Action: draft-west-let-localhost-be-local… John R Levine
- Re: I-D Action: draft-west-let-localhost-be-local… Emily Shepherd
- Re: I-D Action: draft-west-let-localhost-be-local… Mark Andrews
- Re: I-D Action: draft-west-let-localhost-be-local… Patrick McManus
- Re: I-D Action: draft-west-let-localhost-be-local… Mike West