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Re: [DNSOP] DNSOP Call for Adoption - draft-west-let-localhost-be-localhost

Mark Andrews <marka@isc.org> Tue, 12 September 2017 20:31 UTC

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To: John R Levine <johnl@taugh.com>
Cc: Joe Abley <jabley@hopcount.ca>, dnsop <dnsop@ietf.org>
From: Mark Andrews <marka@isc.org>
References: <20170911013510.17202.qmail@ary.lan> <yblr2vcxzjn.fsf@w7.hardakers.net> <alpine.DEB.2.11.1709121124250.2628@grey.csi.cam.ac.uk> <59B7F771.5020607@redbarn.org> <alpine.DEB.2.11.1709121646180.2676@grey.csi.cam.ac.uk> <CAL02cgRj6R8hRUP810+eDdGVg1VovFYHAq_fA6uqiLAYdmt3LQ@mail.gmail.com> <alpine.OSX.2.21.1709121310230.1058@ary.qy> <9B71B0CD-FAE3-4F6F-B10A-97D00300B03D@hopcount.ca> <alpine.OSX.2.21.1709121536140.1747@ary.qy>
In-reply-to: Your message of "12 Sep 2017 15:40:35 -0400." <alpine.OSX.2.21.1709121536140.1747@ary.qy>
Date: Wed, 13 Sep 2017 06:30:53 +1000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/dWODUOG5WLiHCMWihuE7hZyQhe8>
Subject: Re: [DNSOP] DNSOP Call for Adoption - draft-west-let-localhost-be-localhost
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In message <alpine.OSX.2.21.1709121536140.1747@ary.qy>, "John R Levine" writes:
> >>> When something shouldn't work, it shouldn't work.
> >>
> >> I agree but this is a tangent.  The draft is about localhost. or maybe <so
> mething>.localhost.  It's not about localhost.<something>.
> >
> > The problem with this clarification is that in practice "localhost." is alm
> ost always spelt "localhost".
> 
> Well, OK, but I hope we can limit the advice to tne meaning of localhost 
> as a TLD-ish name, and not rehash the well known problems with search 
> lists.

Unfortunately they are all related.  "localhost" as a single label
gets the search list applied, then is tried as is.  "_foo._tcp.localhost"
as a multi-label string gets tried as is then the search list is
applied.  localhost is the one pre-hierachical hostname that we still
use.  Other single label hostnames are intended to be short cuts to
a heirachical hostnames.

> Regards,
> John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
> Please consider the environment before reading this e-mail. https://jl.ly
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org

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