引言 随着计算机网络应用规模及程度的扩大和加深,暴露出的安全问题越来越受到人们的重视。为此,安全设备生产商提供了各种层面的网络安全产品,如防火墙、漏洞评估工具、入侵检测系统等,它们在一定程度上保障了我们所处网络环境的安全性。然而,目前国内外网络安全产品中尚未贯彻统一的联动策略,各个安全设备仍然在“单兵作战”。这种状况下的安全,还停留在静态的安全防护理 Introduction With the expansion and deepening of the scale and extent of the application of computer networks, more and more attention has been paid to the security issues exposed. To this end, safety equipment manufacturers provide a variety of levels of network security products, such as firewalls, vulnerability assessment tools, intrusion detection systems, which to some extent, to protect the security of our network environment. However, at present, the unified linkage strategy has not been implemented in the domestic and international network security products, and all the security devices are still in “single-handed combat.” Security in this situation, still remain in the static security management