Re: /etc/hosts: Two lines with the same IP address?

To: debian-devel@lists.debian.org
Subject: Re: /etc/hosts: Two lines with the same IP address?
From: Tore Anderson <tore@debian.org>
Date: Tue, 08 Jun 2004 17:54:20 +0200
Message-id: <[🔎] uiu7juit58z.fsf@nfsd.linpro.no>
In-reply-to: <[🔎] 1086707969.15046.497.camel@boo.foo> (Thomas Hood's message of "Tue, 08 Jun 2004 17:19:29 +0200")
References: <[🔎] 1086698455.15043.378.camel@thanatos> <[🔎] 20040608134806.GA8187@suffields.me.uk> <[🔎] 1086707969.15046.497.camel@boo.foo>

* Tore Anderson

 >  On a related note, I've never quite understood why the installer
 >  insists that the domain name must not be part of the hostname.  Quite
 >  annoying, really.

* Thomas Hood

 > One reason may be the following.  If the hostname is a FQDN "foo.bar.baz"
 > and /etc/resolv.conf contains no "domain" option then the latter defaults
 > to "bar.baz".

  I don't get it.  Is that a bad thing?  (Seems sane to me.)

 > What I'm looking for in this thread are reasons why it's not fine
 > after all to have multiple lines with the same IP address.

  I would assume it makes gethostbyaddr()'s behaviour undefined.

  Perhaps you could use 127.0.0.2 or something for the mapping, if the
 host doesn't have a permanent address.

-- 
Tore Anderson

Reply to:

References:
- /etc/hosts: Two lines with the same IP address?
  - From: Thomas Hood <jdthood@yahoo.co.uk>
- Re: /etc/hosts: Two lines with the same IP address?
  - From: Andrew Suffield <asuffield@debian.org>
- Re: /etc/hosts: Two lines with the same IP address?
  - From: Thomas Hood <jdthood@yahoo.co.uk>

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