The security protection and control systems of network boundary

Interconnection between large private networks and information systems of government and industry has been one important task for the further development of information construction in China. The paper presents the security protection and control systems of network boundary to protect the network boundary security of information systems when they are interconnected, and designs the implementation framework, and discusses the key technology including security isolation and single-oriented transmission, boundary security network gateway and it can broadly apply to the network boundary security protection in all kinds of circumstances such as information exchange and sharing, moving office and remote work, and the security architecture system has been primary implemented and achieved good effects in actual applications.