Security

Evading Censorship with Browser-Based Proxies

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Executive Summary

While internet access to certain sites is blocked in some parts of the world, these restrictions are often circumvented using proxies outside the censored region. Often these proxies are blocked as soon as they are discovered. In this paper the authors propose a browser-based proxy creation system that generates a large number of short-lived proxies. Clients using the system seamlessly hop from one proxy to the next as these browser based proxies appear and disappear. They discuss a number of technical challenges that had to be overcome for this system to work and report on its performance and security.

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