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Date: Thu, 22 Mar 2001 11:03:20 +0100
From: Christoph Sold <so@server.i-clue.de>
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To: Murray Taylor <mtaylor@bytecraft.com.au>
Cc: FreeBSD-Questions <freebsd-questions@FreeBSD.ORG>
Subject: Re: /etc/hosts format
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Murray Taylor schrieb:
> 
> OK I have conflicting information about the format of the /etc/hosts table
> 
> one reference says that the format should be
> 
> 127.0.0.1       localhost localhost.my.domain   myname.my.domain
> 10.0.0.2        myname.my.domain myname
> 10.0.0.3        myfriend.my.domain myfriend
> 
> then another says
> 
> 127.0.0.1       localhost.my.domain  localhost
> 10.0.0.2        myname.my.domain myname
> 10.0.0.3        myfriend.my.domain myfriend
> 
> then another says
> 
> 127.0.0.1       localhost.my.domain  localhost
> 127.0.0.1       localhost
> 10.0.0.2        myname.my.domain myname
> 10.0.0.2        myname
> 10.0.0.3        myfriend.my.domain myfriend
> 10.0.0.3        myfriend
> 
> then another says  (note trailing dots on secondary lines)
> 
> 127.0.0.1       localhost.my.domain  localhost
> 127.0.0.1       localhost.my.domain.
> 10.0.0.2        myname.my.domain  myname
> 10.0.0.2        myname.my.domain.
> 10.0.0.3        myfriend.my.domain  myfriend
> 10.0.0.3        myfriend.my.domain.
> 
> Who is right???

All of them, choose your preferred format. The last entry prohibits
adding of the local domain to the trailing dot lines by the resolver
library. Unfortunately, since the very same name is already listed
without trailing dots, the resolver would try them nonetheless.

HTH
-Christoph Sold

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