Ref:BBCNews.com, Newscientist.com, telex.cc
Telex, developed by computer scientists at the University of Michigan, US and the University of Waterloo, Canada, transmits information to blocked websites by piggybacking on uncensored connections with the aid of friendly foreign internet service providers (ISPs)
It is a kind of Data smuggling software which could help citizens in countries operating strict net filters visit any site they want.
Telex hides data from banned websites inside traffic from sites deemed safe.
The software draws on well-known encryption techniques to conceal data making it hard to decipher.
So far, Telex is only a prototype but in tests it has been able to defeat Chinese web filters.
The developers are planning to give a more formal launch to Telex at the upcoming Usenix security conference. That conference will host an annual workshop for the growing numbers of people developing anti-censorship code, he said.
Dissidents install the Telex client, perhaps from a USB stick smuggled over the border. They then make a secure connection to an uncensored site outside of the censor's network - nearly any site that uses password logins will do. The connection looks normal, but Telex tags the traffic with a secret key.
Foreign ISPs in the network between the client and destination site can look for these tags and redirect the connection to an anonymising service such as a proxy server, which allows users to connect from one location while appearing to be elsewhere. Using Telex is more robust than using such servers directly, as censors can easily block access to a proxy once it is discovered.
The researchers have tested the system by watching YouTube videos in Beijing, China, despite the site being blocked in that country, but they say it's not yet ready for real users. One barrier might be the need for foreign ISPs to install Telex software.
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More info from Author's website: https://telex.cc/
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