AFIPS '69 (Fall) Proceedings of the November 18-20, 1969, fall joint computer conference
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This paper presents an approach to network security at the system design level. Some basic network concepts and major network security threats are outlined. The design approach is described and a brief security analysis is presented. The proposed network structure incorporates data protection devices called network cryptographic devices and a special-purpose processor, the network security center, to control access in the network.