NetScreen操作手册 (ScreenOS) 广州市新科新信息技术有限公司 2013 年 5 月 6 日Netscreen OS 4.0 维护手册------目录 广州市新科新信息技术有限公司 第1 页 目录 1 概念与简介 ............................................................................................................................................. 3 1.1 Universal Security Gateway Architecture(通用安全网关架构) ............................................. 3 1 .1 .1 Multiple Security Zones(多安全区域) ............................................................................ 3 1 .1 .2 Security Zone Interfaces(安全区域端口) ....................................................................... 3 1 .1 .3 Virtual Routers(虚拟路由器) .......................................................................................... 3 1 .1 .4 Access Policies(访问策略) ............................................................................................. 4 1 .1 .5 VPNs（虚拟专用网络）................................................................................................ 4 1 .1 .6 Virtual Systems(虚拟系统) ............................................................................................. 4 1 .1 .7 Packet Flow Sequence(数据包处理过程) ...................................................................... 4 1.2 Zones(区域) ............................................................................................................................ 5 1 .2 .1 Security Zones(安全区域) .............................................................................................. 5 1 .2 .2 Tunnel Zones(隧道区域) ................................................................................................ 5 1 .2 .3 Function Zones(功能区域) ............................................................................................. 5 1.3 Interfaces(端口)................................................
