| 摘要 |
<p>PROBLEM TO BE SOLVED: To enhance safety and enhance the operating efficiency of an administrator by automatically conducting the collision detection and collision resolution of a plurality of security rules. SOLUTION: A VPN operation controller, which performs operation setting of a VPN device, is equipped with a security rule collision detecting means 108 which detects the security rules colliding with each other between pieces of VPN utilization contract information, based on the overlapping of VPN contract information DB103, having recorded the VPN use contract information which has security rules including traffic conditions and security conditions and the traffic conditions in the plural security rules, and a security rule collision resolving means 109, which creates a new security rule having traffic conditions which have absorbed overlapping of the traffic conditions and security conditions, having absorbed the security conditions, in conformity to the colliding security rules.</p> |
