hohocon

[smb at research.att.com]

We use challenge/response devices from the Internet:

\begin{figure}
\begin{quote}
\logsize
\begin{verbatim}
$ telnet guard.research.att.com
Trying...
Connected to guard.research.att.com.
Escape character is '^]'.

This is the new inet. Authorized use only.


Authentication Server.

Id? ches
challenge: 348201
response: d2c3f97d


TCP host name? cetus
rlogin cetus -l ches

IRIX Release 4.0.5C System V cetus.research.att.com
Copyright 1987-1992 Silicon Graphics, Inc.
All Rights Reserved.
cetus=; exit
Connection closed.Connection closed by foreign host.
$ 
\end{verbatim}
\end{quote}
\caption{\label{fig:hha-connect} The full text of an actual terminal
	session using our challenge/response-based guard.}
\end{figure}