[Novalug] NoVALUG April 10th 10am Herndon Library -- Tor
greg at pryzby.org
Mon Apr 5 20:45:13 EDT 2010
I hope to see everyone on Saturday at the next NoVALUG meeting.
The presentation is on Tor.
We are meeting at the Herndon Fortnightly Library at 10 a.m.
The twenty-first century has brought with it a disturbing loss of
personal privacy. Communications are routinely monitored for content
and traffic analysis can be used to determine which IP addresses are
exchanging meaningful amounts of traffic. Onion routing is a technique
by which a subset of all network nodes are tasked with relaying
encrypted traffic for clients. Tor is a widely used implementation of
an onion routing protocol which defends against traffic analysis
attacks; it also implements hidden services only reachable from within
the Tor darknet. Tor is endorsed by a number of human rights and
advocacy organizations, including as the Electronic Frontier Foundation,
Reporters Without Borders, and Wikileaks.org. Tor is also used by the
US Department of Defense and the US Military.
The presentation will describe the origins of Tor as well as how the
darknet functions. The threat model Tor was designed under will be
discussed, and a demonstration will be given of how to set up the
client, middleman and exit nodes. A demonstration of how to set up a
web server as a hidden service will also be given. Operational security
for clients as well as routing nodes will be detailed.
Questions will be taken after the presentation.
Bryce A. Lynch has worked as a system administrator, security engineer,
and consultant for fifteen years in the public and private sectors. He
is interested in cryptography, privacy and anonymity technologies,
electronics, music of all kinds, security research and penetration
testing. His other hobbies include designing and building synthesizers,
constructing biofeedback devices, tailoring, and writing code that other
people can't make heads or tails of. When stuck in traffic he has been
known to sing beltway karaoke and hold animated conversations with
himself as a problem solving technique. He is the partner of one wife,
no children or pets, seven computers, and too many books. His sense of
humor is implemented in LOGO, and he is actually very shy.
greg pryzby greg at pryzby dot org
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