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Length: 693 (0x2b5)
Types: TextFile
Names: »net-watch.tex«
└─⟦4f9d7c866⟧ Bits:30007245 EUUGD6: Sikkerheds distributionen
└─⟦36857feb3⟧ »./papers/Security_Primer/primer.tar.Z«
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└─⟦this⟧ »net-watch.tex«
\section{The Joy of Broadcast}
\label{sec:broadcast}
The majority of the local area nets (LAN's) use a system called
broadcast. It is somewhat like screaming in a crowded room. Each
person tends to try to ignore messages that weren't meant for them.
In this type of environment, eaves-dropping is undetectable. Often
passwords are sent unencrypted between machines. Such passwords are
fair game to an attacker.
Various cryptographic solutions including digital signature and one
time keys have been used to combat this problem. Kerberos, developed
at the MIT Athena project is available without cost and presents one
of the few promising potential solutions to the broadcast problem.