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The Two-Edged Sword of TOR
by Andrew McCaskey
Two Eddged TOR PDF Print E-mail
Written by Andrew McCaskey
Thursday, 23 April 2009 22:50
Both Sides of The Onion Router
TechnologyReview has an in-depth story on the tor project, a network of interlocking proxy servers that are used and depended upon by dissidents around the world in repressive regimes to provide them with anonymous methods for getting messages out to the world from a place like Zimbabwe or China, and for getting news in , albeit slowly. In studies that included a number of repressive regimes around the world, OpenNet found that more than 36 countries are filtering one or more kinds of speech to varying degrees: political content, religious sites, pornography, even (in some Islamic nations) gambling sites.
What has been interesting is the use of tor systems by police departments in many Western countries. It apparently is used in scam investigations to allow the police to participate in connections to web sites without showing their hand.
The project was developed by the US Navy in the 1990′s and released to the public in 2002. The Electronic Frontier Foundation has been an effective and vocal proponent, and the tor system has been accepted on a worldwide basis. There are still only a few thousand nodes that exist, a trivial number compared with the hundreds of millions of users in countries with regimes that filter traffic. And speed it not a strong suit – with multiple hops, it usually cuts speeds by a factor of ten.
In spite of this , tor leaders reason that each time a national censor blocks news sites and YouTube, or an ISP or website loses or sells or gives away user data, people will seek solutions.
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