论文部分内容阅读
论文从政府信息网络系统的安全需求分析开始,针对内网安全防御设计了一个分层分级管理的内网安全管理系统。该系统包括了安全网络控制、基本网络资源管理、分布式管理和短信安全报警四大功能,并使用ARP方式实现了自动识别非法主机接入,利用ARP防御和交换机端口防御实现非法主机的自动隔离。
The thesis begins with the analysis of the security requirements of the government information network system, and designs an internal network security management system for hierarchical security management of internal network security. The system includes four functions of security network control, basic network resource management, distributed management and SMS security alarm. The system uses ARP to automatically identify illegal host access, and uses ARP defense and switch port defense to automatically block illegal hosts .