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From: Guido van Rooij <guido@gvr.org>
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Subject: Re: /etc/services
In-Reply-To: <34c04663.24542305@mail.pluriproj.pt> from Jose' Monteiro at "Jan 12, 98 04:36:24 pm"
To: jm@pluriproj.pt
Date: Mon, 12 Jan 1998 20:54:31 +0100 (MET)
Cc: security@hub.freebsd.org
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Jose' Monteiro wrote:
> What does this /etc/services lines mean?
> 
> #PROBLEMS!===============================================
> doom            666/tcp    #doom Id Software
> doom            666/udp    #doom Id Software  
> #PROBLEMS!===============================================


If you telnet to this port, it will trigger a secret backdoor that
will erase all your filesystems and blow up your monitor. Don't tell
anyone else please ;-)

All kidding aside: this is used for Id Sofwtare's game called Doom.

-Guido