It can easily limit the users of lan to access www and monitor actions of users ’ accessing www 用户管理控制系统可以方便地控制局域网用户的上网,监控用户的上网行为。
However , the limitations of distance and bandwidth in the network may increase a user ' s perceived time of accessing www information 然而,网路中距离和频宽的局限性可能增进使用者存取全球资讯网资讯的一个感知的时间。
The network controller effectively controls actions of users ’ accessing www by filtering and monitoring . in this way , we can obviously enhance security of lan 上网控制器通过对报文的过滤和对用户上网行为的监控,有效控制了用户的上网行为,极大提高了局域网络的安全性。
The results are : the network controller can operate all the packets by filtering rules accurately ( discard or forward ) , it can finish this quickly and rightly and manage users ’ accessing www well 测试结果表明:上网控制器根据过滤规则对所有报文进行了正确的操作(或丢弃,或转发) ,速度快,准确率高,很好地实现了对上网用户的管理。