Anonymous Connections and Onion Routing

  • Authors:
  • Paul F. Syverson;David M. Goldschlag;Michael G. Reed

  • Affiliations:
  • -;-;-

  • Venue:
  • SP '97 Proceedings of the 1997 IEEE Symposium on Security and Privacy
  • Year:
  • 1997

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Abstract

Onion Routing provides anonymous connections that are strongly resistant to both eavesdropping and traffic analysis. Unmodified Internet applications can use these anonymous connections by means of proxies. The proxies may also make communication anonymous by removing identifying information from the data stream. Onion routing has been implemented on Sun Solaris 2.X with proxies for Web browsing, remote logins, and e-mail. This paper's contribution is a detailed specification of the implemented onion routing system, a vulnerability analysis based on this specification, and performance results.