Most Internet users rely on perimeter protection as part of their
Internet defenses. How well are these working, and what lies behind
perimeter defenses? Telephone networks have their intelligence in the
center of the net, and internets at the edge. The talk will describe
technologies that help scope out the extent of intranets, and find
perimeter breaks.
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 Bill Cheswick logged into his first computer in 1968. Seven years
later, he was graduated from Lehigh University in 1975 with a degree
resembling Computer Science. Cheswick has worked on (and against)
operating system security for over 35 years. He has worked at Lehigh
University and the Naval Air Development Center in system software and
communications. At the American Newspaper Publishers
Association/Research Institute he shared his first patent for a
hardware-based spelling checker, a device clearly after its time. For
several years he consulted at a variety of universities doing system
management, software development, communications design and
installation, PC evaluations, etc. Ches joined Bell Labs in December
1987, where he became postmaster and firewall administrator. In 1990
he published a paper on firewall design that coined the word "proxy"
in its current meaning. He followed this with "An Evening With
Berferd", and then the publication of "Firewalls and Internet
Security; Repelling the Wily Hacker", co-authored with Steve Bellovin.
This book taught Internet security to a generation of administrators.
In 1998, Ches starting the Internet Mapping Project with Hal Burch.
This work became to core technology of a Bell Labs spin-off, Lumeta
Corporation, which explores the extent of corporate and government
intranets and checks for host leaks that violate perimeter policies.
Ches has pinged an active duty US nuclear attack submarine (distance,
66ms). Ches has a wide interest in science and medicine. In his spare
time he reads technical journals, hacks on Mythtv and his home, and
develops exhibit software for science museums. He eats very plain
food---boring by even American standards.
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