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Date:      Mon, 12 Jan 1998 12:14:34 -0600 (CST)
From:      Alex Nash <nash@mcs.net>
To:        "Jose' Monteiro" <jm@pluriproj.pt>
Cc:        security@hub.freebsd.org
Subject:   Re: /etc/services
Message-ID:  <Pine.BSF.3.95.980112120951.12325H-100000@Jupiter.Mcs.Net>
In-Reply-To: <34c04663.24542305@mail.pluriproj.pt>

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On Mon, 12 Jan 1998, Jose' Monteiro wrote:

> What does this /etc/services lines mean?
> 
> #PROBLEMS!===============================================
> doom            666/tcp    #doom Id Software
> doom            666/udp    #doom Id Software  
> #PROBLEMS!===============================================

It means there are multiple services which contend for the same port
number and protocol.  In this case, both mdqs and doom share port 666 TCP 
and UDP.  The upshot is that name to port number translation works great,
but port number to name doesn't always produce the expected result (i.e.
you're running doom and netstat refers to the port as mdqs).

Alex




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