情報ネットワークのセキュリティ向上について(2) : ブロードバンドルータの発展利用と簡易認証技術

概要

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In this report, a couple of security improvement methods for TCP/IP network systems have been introduced. First, to realize a secure-designed network environment in elementary or junior high school campus, an easy network separation method by using general type broadband routers with NAT or IP masquerading and DHCP server functions have been applied. A key procedure used here is a simple cascading connection of the routers. Next, in order to restrict the campus LAN connection from unspecified users, usage of some simplified authentication technologies, MAC address filtering, simplified authentication function of a special type router, and RADIUS authentication technology, has also been introduced. From an information-secure point of view, these authentication technologies are very useful under troublesome local network environment constructed by many PCs without Windows Domain Administration management.
新潟大学の論文