en Flash proxy

Flash proxy is a pluggable transport and proxy which runs in a web browser. Flash proxies are an Internet censorship circumvention tool which enables users to connect to the Tor anonymity network (amongst others) via a plethora of ephemeral browser-based proxy relays. The essential idea is that the IP addresses contingently used are changed faster than a censoring agency can detect, track, and block them. The Tor traffic is wrapped in a WebSocket format and disguised with an XOR cipher.^[1]

Implementation

A free software^[2] implementation of flash proxies is available. It uses JavaScript, WebSocket, and a Python implementation of the obfsproxy protocol,^[3] and was crafted by the Security Project in Computer Security at Stanford University.^[4] This work was supported by the Defense Advanced Research Project Agency (DARPA) and the Space and Naval Warfare Systems Center Pacific under Contract No. N66001-11-C-4022.^[5]

References

^ Gallagher, Sean (2014-08-14). "A portable router that conceals your Internet traffic". Ars Technica. Retrieved 2016-04-10.
^ "Welcome to nginx". gitweb.torproject.org. Archived from the original on 24 September 2013. Retrieved 27 January 2022.
^ "Combined flash proxy + pyobfsproxy browser bundles | The Tor Blog". Blog.torproject.org. 2013-02-23. Retrieved 2016-04-10.
^ "Flash Proxies". Crypto.stanford.edu. Retrieved 2016-04-10.
^ Jones, Martin (2011). "Biting the Hand That Serves You: A Closer Look at Client-Side Flash Proxies for Cross-Domain Requests". Lecture Notes in Computer Science. Vol. 6739. pp. 85–103. doi:10.1007/978-3-642-22424-9_6. ISBN 978-3-642-22423-2. {{cite book}}: |journal= ignored (help); Missing or empty |title= (help)

External links

The primary developer gives an overview at Stanford University

[1] Gallagher, Sean (2014-08-14). "A portable router that conceals your Internet traffic". Ars Technica. Retrieved 2016-04-10.

[2] "Welcome to nginx". gitweb.torproject.org. Archived from the original on 24 September 2013. Retrieved 27 January 2022.

[3] "Combined flash proxy + pyobfsproxy browser bundles | The Tor Blog". Blog.torproject.org. 2013-02-23. Retrieved 2016-04-10.

[4] "Flash Proxies". Crypto.stanford.edu. Retrieved 2016-04-10.

[5] Jones, Martin (2011). "Biting the Hand That Serves You: A Closer Look at Client-Side Flash Proxies for Cross-Domain Requests". Lecture Notes in Computer Science. Vol. 6739. pp. 85–103. doi:10.1007/978-3-642-22424-9_6. ISBN 978-3-642-22423-2. {{cite book}}: |journal= ignored (help); Missing or empty |title= (help)

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Flash proxy

Implementation

See also

References

External links

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