Cisco IOS Access Lists PDF版

Cisco routers are used widely both on the Internet and in corporate intranets. At the same time, the Cisco Internet Operating System (IOS) has grown to be very large and complex, and Cisco documentation fills several volumes.Cisco IOS Access Lists focuses on a critical aspect of the Cisco IOS--access lists. Access lists are central to the task of securing routers and networks, and administrators cannot implement access control policies or traffic routing policies without them. Access lists are used to specify both the targets of network policies and the policies themselves. They specify packet filtering for firewalls all over the Internet.Cisco IOS Access Lists covers three critical areas:

(译)Cisco路由器是广泛应用在互联网和企业内部网。与此同时，思科互联网操作系统（IOS）已经是非常大的和复杂的，与思科文档填充数卷。Cisco IOS访问列表集中在一个关键的方面，Cisco IOS --访问列表。访问列表是确保路由器和网络的任务的核心，而管理员无法实现访问控制策略或没有它们的交通路由策略。访问列表被用来指定网络策略和策略本身的目标。他们指定的包全网络防火墙过滤。Cisco IOS的存取清单涵盖三个关键领域：感兴趣的朋友可以过来看看