Securing Anonymizing Networks From Sybil Attacks

In bio-medicine and other health-related fields a need for anonymous access to Grid resources has been identified. Anonymity networks such as Tor provide users with a means to communicate privately over the Internet without disclosing their IP addresses. But the success of such networks, however, has been limited by users employing this anonymity for abusive purposes, such as defacing Wikipedia. In such cases, the anonymizing networks as intended should disable access to misbehaving users while providing anonymous connections to the honest users. But the anonymity provided by such networks prevents website administrators from blacklisting individual malicious users IP addresses.

Provided by: Creative Commons Topic: Security Date Added: Dec 2012 Format: PDF

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