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From: ron@topaz.rutgers.edu (Ron Natalie)
Newsgroups: comp.unix.questions
Subject: Re: Ethernet watcher
Message-ID: <14707@topaz.rutgers.edu>
Date: Mon, 14-Sep-87 08:59:41 EDT
Article-I.D.: topaz.14707
Posted: Mon Sep 14 08:59:41 1987
Date-Received: Tue, 15-Sep-87 04:45:45 EDT
References: <4263@ozdaltx.UUCP> <15136@hi.UUCP> <1178@mtune.ATT.COM> <6426@brl-smoke.ARPA>
Organization: Rutgers Univ., New Brunswick, N.J.
Lines: 8

It's not the protocols (TCP/IP) but the class of hardware protocols
that allow data from one machine to another to be accessible to a
third.  This happens in both CSMA and token ring networks.  Devious
systems can always peek at the data going by.  If one host on the
net (the destination) can decode it, so can another, short of encryption.
The key distribution and access methodology research is still in progress.

-Ron