Network security monitoring system and network security monitoring apparatus

摘要

To provide network security monitoring system and network security monitoring equipment to control the availability of communication between information processing terminals based on the access policy. In the system network 50 and the router 40 and the application server 20 and the information processing terminal 31, 32, 33 are connected, the network security monitoring device 10 for preventing monitoring unauthorized access is arranged and connected to the network The information processing terminal that is determined based on the access policy communication permission / non-permission of the information processing terminals, access policy information processing terminal is determined not permitted to be updated to allow the non-permission, it is judged as not permitted Through the transmitted repeatedly at fixed time intervals the information to cut off communication between, blocked quickly and reliably communicate information processing terminals which are defined as not allowed by the access policy, is defined as permitted I maintain communication possible states of information processing between terminals was.