Re: [DNSOP] Status of "let localhost be localhost"?

Robert Edmonds <edmonds@mycre.ws> Wed, 09 August 2017 16:45 UTC

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Date: Wed, 9 Aug 2017 12:45:45 -0400
From: Robert Edmonds <edmonds@mycre.ws>
To: Stuart Cheshire <cheshire@apple.com>
Cc: dnsop <dnsop@ietf.org>, Jacob Hoffman-Andrews <jsha@eff.org>, william manning <chinese.apricot@gmail.com>, Richard Barnes <rlb@ipv.sx>, Ted Lemon <mellon@fugue.com>, Mike West <mkwst@google.com>
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Subject: Re: [DNSOP] Status of "let localhost be localhost"?
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Stuart Cheshire wrote:
> [*] If you think it’s stupid to suggest a host might not treat “127.0.0.1” as meaning loopback, why is that any more stupid than suggesting that a host might not treat “localhost” as meaning loopback? Both are just as arbitrary.

As far as I can tell, "let 127.0.0.1 be loopback" is more stupid because
RFC 1122 states that addresses of the form 127.0.0.0/8 MUST be used for
loopback traffic, while the considerations for "let localhost be
loopback" in RFC 6761 §6.3 use non-mandatory language.

-- 
Robert Edmonds