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当企业用户的网络由小变大,用户数量和应用都不断增多时,安全问题就必须提到议事日程上来,北电自己就经历了这样的过程。对用户来说,必须保证:网络可以服务;应用不会因为攻击或误操作而瘫痪。另外,系统是有许多用户在使用的,在访问网络时,各部门、个人的权限应有所不同。因此,除安全设备外,实施有效的用户管理是必要的。总之,安全的网络应该做到:
When the network of business users changes from small to large, the number of users and applications are increasing, the security issue must be mentioned on the agenda, and Nortel itself has gone through such a process. For users, it must be guaranteed: the network can serve; applications will not be paralyzed due to attacks or misuse. In addition, the system is used by many users, access to the network, each department, individual permissions should be different. Therefore, in addition to safety equipment, effective user management is necessary. In short, a secure network should do: