为了克服现有安全产品各自为政的现状，更加有效地保障系统安全，防火墙联动技术正渐渐成为网络安全领域的一个新兴课题，引起了众多专家和安全厂家关注。一、什么是联动防火墙由于防火墙在实际应用中存在着种种的局限。首先，防火墙提供的是静态防御，它的规则都事先设置，对 In order to overcome the current situation of the existing security products, and to ensure system security more effectively, the firewall linkage technology is gradually becoming an emerging topic in the field of network security. This has aroused the attention of many experts and security vendors. First, what is the linkage firewall As the firewall in the practical application of the existence of various limitations. First of all, the firewall provides a static defense, its rules are set in advance, yes