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Researchers Debut Proxy-Less Anonymity Service

Trailrunner7 (1100399) writes | more than 3 years ago

Privacy 0

Trailrunner7 (1100399) writes "As state-level censorship continues to grow in various countries around the globe in response to political dissent and social change, researchers have begun looking for news ways to help Web users get around these restrictions. Now, a group of university researchers has developed an experimental system called Telex that replaces the typical proxy architecture with a scheme that hides the fact that the users is even trying to communicate at all.

The Telex system is the work of J. Alex Halderman and two other researchers at the University of Michigan, and Ian Goldberg of the University of Waterloo, and it has a couple of fundamental differences from other anti-censorship or anonymity tools such as Tor or proxy networks. The key innovation in Telex is that it uses "stations" installed at ISPs to recognize and reroute specially tagged requests from clients trying to reach censored sites.

Those requests also are completely hidden from censors because it is part of an established HTTPS connection to a benign site that the censor or government allows. That connection is used as a red herring to prevent the censor from even seeing the other connection request. Each user would have a copy of the Telex client on his or her machine, which would generate the requests and insert the secret tags in them."

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