(IP-guard is a general-purpose intranet security software. It uses system management thinking, makes full use of technical means such as practice audit, hierarchical authorization, access control and centralized management, and comprehensively solves the three intranet security problems of information security, utilization efficiency, and system management. With IP-guard, the company can effectively prevent information leakage and maintain the security of information and property; build a healthy and safe network environment, supply working power while reasonably allocating network resources; IT personnel can also easily perform system maintenance to ensure that the system is running at all times. The peak state, and promote the sustainable development of the business.)