anon-proxy

Proxy to surf the web anonymously
This package contains the JAP client which acts as a local proxy between
your browser and the insecure Internet. All requests for web pages are
handled by JAP and are encrypted several times. The encrypted messages
are sent through a chain of intermediate servers (named Mixes) to the
final destination on the Internet.
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Multiple layers of encryption protect all messages. A Mix collects
messages in a batch, totally changes their appearance (removes one
layer of encryption) and forwards them all at the same time, but
in a different order. An adversary may observe all communication links,
however he cannot determine a relation between incoming and outgoing
packets. A surfer remains anonymous within the group of all users
of the service.
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Demonstrably, the system protects your privacy as long as the Mix
works correctly. Unfortunately nobody knows whether a certain Mix
is actually trustworthy or not. Therefore we use a whole chain of
Mixes. Each message passes through several Mixes and the entire chain
of Mixes has to be corrupt to successfully observe the user's
activities. The chaining effectively prevents single Mixes from
observing. This is the meaning of strong anonymity: Even the
anonymity service itself cannot spy on its users.
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For further information see http://anon.inf.tu-dresden.de/