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Date:      Wed, 2 Oct 1996 15:31:02 +0200 (IST)
From:      Nadav Eiron <nadav@barcode.co.il>
To:        Charlie Root <root@www.istudio.no>
Cc:        questions@freebsd.org
Subject:   Re: Error message from qpop-2.2
Message-ID:  <Pine.BSF.3.91.961002152947.25757A-100000@gatekeeper.barcode.co.il>
In-Reply-To: <199610021258.OAA01396@www.istudio.no>

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On Wed, 2 Oct 1996, Charlie Root wrote:

> I have installed it on FreeBSD 2.1.5, and it is working nicely, from
> what I can tell.
> 
> The problem is this error message :
> popper[1394]: (v2.2) Unable to get canonical name of client, err = 0
> 
> It doesnt seem to be fatal in any way, but it's an annoyance, and
> I'm curious about what causes it - can anyone give some hints?
> 
> Thank you in advance.
> 
> Simon Lindgren
> lindgren@istudio.no
> 
RTFM! From man 8 popper:

       ...  The popper pro-
       gram initializes and verifies that the peer IP address  is
       registered  in the local domain, logging a warning message
       when a connection is made to a  client  whose  IP  address
       does not have a canonical name.  For systems using BSD 4.3
       bind, it also checks to see if a  cannonical  name  lookup
       for the client returns the same peer IP address, logging a
       warning message if it does not.  ....


Nadav




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