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Date:      Tue, 21 Nov 2000 08:05:43 +0100
From:      Andre Albsmeier <andre.albsmeier@mchp.siemens.de>
To:        Marco Pizzi <marcolin@net-one.it>
Cc:        freebsd-bugs@FreeBSD.ORG
Subject:   Re: misc/22980: Strange behaviour in domain name resolution!!
Message-ID:  <20001121080543.A44111@curry.mchp.siemens.de>
In-Reply-To: <200011202210.OAA49033@freefall.freebsd.org>; from marcolin@net-one.it on Mon, Nov 20, 2000 at 02:10:02PM -0800
References:  <200011202210.OAA49033@freefall.freebsd.org>

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On Mon, 20-Nov-2000 at 14:10:02 -0800, Marco Pizzi wrote:
> The following reply was made to PR misc/22980; it has been noted by GNATS.
> 
> From: Marco Pizzi <marcolin@net-one.it>
> To: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>,
> 	m.pizzi@net-one.it
> Cc: freebsd-gnats-submit@FreeBSD.ORG
> Subject: Re: misc/22980: Strange behaviour in domain name resolution!!
> Date: Mon, 20 Nov 2000 23:07:44 +0100
> 
>  At 22.00 20/11/00 +0100, Andre Albsmeier wrote:
>  >On Mon, 20-Nov-2000 at 09:28:53 -0800, m.pizzi@net-one.it wrote:
>  > >
>  > > --
>  > > parigi# nslookup nw_milano.bgsdarcy.it
>  > > Server:  ginevra.net-one.it
>  > > Address:  212.177.116.30
>  > >
>  > > Non-authoritative answer:
>  > > Name:    nw_milano.bgsdarcy.it
>  > > Address:  193.70.120.194
>  > > --
>  > > Now, look at this:
>  > > ---
>  > > parigi# telnet nw_milano.bgsdarcy.it 25
>  > > nw_milano.bgsdarcy.it: Non-recoverable failure in name resolution
>  >
>  >Maybe removing the illegal underscore might help. You could use
>  >a '-' instead of the '_'.
>  
>  But THAT is the real name of the server.
>  That is not my server.

Then you should tell the administration stuff that the hostname
is illegal.

>  Also, the name resolution doesn't fail on a Linux or a Solaris machine!

Well:

andre@kahless:~>uname -rs
BSD/OS 3.1
andre@kahless:~>telnet nw_milano.bgsdarcy.it 25
nw_milano.bgsdarcy.it: Unknown server error

andre@akademie3000:~>uname -rs
FreeBSD 2.2.5-RELEASE
andre@akademie3000:~>telnet nw_milano.bgsdarcy.it 25
nw_milano.bgsdarcy.it: Unknown host

I am sure there is something wrong with the hostname... Either
it is the underscore or the fact that it got no reverse entry
or both.

	-Andre


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