NETWORK SECURITY -Design and Proposal of an Implementation method for Unauthorized Access Tracing System



            At present, the number of unauthorized access incidents on the Internet is growing, and the current access control technologies cannot stop specific way of access.

            We had proposed a hop-by-hop IP traceback method that can reliably trace a source of an attack. In this paper, we describe the development and the evaluation of our prototype system. The main features of our proposed method are the packet feature, which is composed of specific packet information contained in a packet for identification of an unauthorized packet, and the algorithm using datalink identifier to identify a routing of a packet.

            We show the development of the prototype system equipped with our tracing functions on routers and its processing result. We here adopt a distributed management approach that controls the tracing process and information within a particular group of networks.

             However, as more and more people become ``wired'', an increasing number of people need to understand the basics of security in a networked world. This document was written with the basic computer user and information systems manager in mind, explaining the concepts needed to read through the hype in the marketplace and understand risks and how to deal with them.




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