Applying Trust Policies for Protecting Mobile Agents Against DoS

  • Authors:
  • B. Cubaleska;M. Schneider

  • Affiliations:
  • -;-

  • Venue:
  • POLICY '02 Proceedings of the 3rd International Workshop on Policies for Distributed Systems and Networks (POLICY'02)
  • Year:
  • 2002

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Abstract

In the world of mobile agents, security aspects areextensively being discussed. Denial of service (DoS) attacks are of considerable interest, i.e., when malicioushosts either delete received agents or prevent them fromcontinuing their route. This paper presents a methodfor a posteriori identification of such malicious hosts tobuild a trust policy. Depending on how much the agentowner trusts the hosts, he can either define an appropriate order in which selected hosts should be visited, orhe can decide which hosts he does not want to contactagain. We also show how the sequence of hosts shouldbe determined in order to minimize some costs.