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Publication Detail
Heartbeat Traffic to Counter (n-1) Attacks: Red-Green-Black Mixes
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Conference Proceeding
  • Authors:
    Danezis G, Sassaman L
  • Publication date:
    01/12/2003
  • Pagination:
    89, 93
  • Journal:
    Proceedings of the ACM Workshop on Privacy in the Electronic Society
  • Status:
    Published
Abstract
A dummy traffic strategy is described that can be implemented by mix nodes in an anonymous communication network to detect and counter active (n - 1) attacks and their variants. Heartbeat messages are sent anonymously from the mix node back to itself in order to establish its state of connectivity with the rest of the network. In case the mix is under attack, the flow of heartbeat messages is interrupted and the mix takes measures to preserve the quality of the anonymity it provides by introducing decoy messages.
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