From: wnoise@ugcs.caltech.edu (Aaron Denney)
To: mlist-linux-kernel@nntp-server.caltech.edu
Subject: Re: DNS goofups galore...
Date: 9 Feb 2001 01:50:04 GMT [thread overview]
Message-ID: <slrn986j6c.ej0.wnoise@barter.ugcs.caltech.edu> (raw)
In-Reply-To: <linux.kernel.20010208193120.C1640@alcove.wittsend.com>
Michael H. Warfield <mhw@wittsend.com> wrote:
> But, wait a minute. CNAME -> CNAME is a "must not".
Cite the RFC please. 1034 says
# Domain names in RRs which point at another name should always point at
# the primary name and not the alias.
and
# domain software should not fail when presented with CNAME
# chains or loops; CNAME chains should be followed and CNAME loops
# signalled as an error.
and
# - The answer to the query, possibly preface by one or more CNAME
# RRs that specify aliases encountered on the way to an answer.
and
# Multiple levels of
# aliases should be avoided due to their lack of efficiency, but should
# not be signalled as an error.
It's fairly clear that CNAMEs to CNAMEs are discouraged, but legal.
--
Aaron Denney
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next parent reply other threads:[~2001-02-09 2:30 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <linux.kernel.20010208193120.C1640@alcove.wittsend.com>
2001-02-09 1:50 ` Aaron Denney [this message]
2001-02-09 3:05 ` DNS goofups galore Michael H. Warfield
2001-02-08 13:06 Matti Aarnio
2001-02-08 13:35 ` Mr. James W. Laferriere
2001-02-08 17:43 ` Henning P. Schmiedehausen
2001-02-08 21:46 ` Gerhard Mack
2001-02-08 22:58 ` H. Peter Anvin
2001-02-08 23:32 ` Michael H. Warfield
2001-02-08 23:47 ` H. Peter Anvin
2001-02-08 23:54 ` Michael H. Warfield
2001-02-09 0:01 ` H. Peter Anvin
2001-02-09 0:08 ` Michael H. Warfield
2001-02-09 0:11 ` H. Peter Anvin
2001-02-09 0:31 ` Michael H. Warfield
2001-02-09 0:43 ` Johannes Erdfelt
2001-02-12 12:55 ` Henning P. Schmiedehausen
2001-02-12 19:19 ` James Antill
2001-02-13 19:52 ` Henning P. Schmiedehausen
2001-02-20 23:45 ` James Antill
2001-02-09 7:04 ` Jan Gyselinck
2001-02-12 12:57 ` Henning P. Schmiedehausen
2001-02-12 20:20 ` Kai Henningsen
2001-02-13 20:39 ` Henning P. Schmiedehausen
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