The beginning

[Terry Lee Moore <tlmoor2 () uswest com>]

"Firewalls and Internet Security: Repelling the Wily Hacker",
William R. Cheswick and Steven M. Bellovin, Addison-Wesley 
Publishing Company 1994.  Copyright 1994 by AT&T Bell Laboratories.

"Building Internet Firewalls", D. Brent Chapman and 
Elizabeth D. Zwicky, O'Reilly & Associates, Inc. copyright
1995.

There.  Now noone has to say anything besides the titles
and we have the references right up top.  This also 
constitutes most of my knowledge of the subject since I
haven't gotten my hands on a true firewall....yet.
                        Terry
Terry Lee Moore                       office (303) 624-1972
tlmoor2 () uswest com       KC0BCP       pager  (303) 251-3939
Anarchy breeds dictatorship.  As Patrick Henry put it, 'If 
we don't govern ourselves wisely, we will be governed by 
despots.'" - Stephen Covey, Principle-Centered Leadership