访问控制技术控制和筛选访问和内容。 其主要任务是确保网络资源的安全，防

Access control technology controls and filters access and content. Its main task is to ensure the security of network resources and prevent them from being illegally used and accessed. The most important strategy is to maximize network security. Access control can be divided into two categories: system access control and network access control. Network access control can restrict the external access of network users and the access of external users who carry network services. System access control can provide different users with different host resource access permissions.

Access control technology controls and filters access and content. Its main task is to secure network resources from their illegal use and access. The most important strategy is to maximize network security. Access control can be divided into two categories: system access control and network access control. Network access control restricts external access for network users and for external users hosting network services. System access control can provide different users with different access to host resources.

Access control technology controls and filters access and content. Its main task is to ensure the security of network resources and prevent them from being illegally used and accessed. The most important strategy is to maximize network security. Access control can be divided into two categories: system access control and network access control. Network access control can restrict the external access of network users and the access of external users carrying network services. System access control can provide different host resource access rights for different users.<br>