• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2008.05a
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• pp.277-280
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• 2008

Security policy that use defense system such as Intrusion Detection System or Firewall is limited to passive response that only manage important data and resources. This paper analyzes security problem and maximum of passive response, provides a responsive way to Pharming attack which is one kind of hacking. This paper also includes ICMP-based traceback system that uses ICMP traceback Message about invasion that is decided through hacking. With this paper we can intercept damage of personal information leakage and property loss that is done through Pharming attacks.