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随着互联网的不断普及,网络已经跟人们的日常生活密不可分,使用者在享受网络所带来的便利的同时,网络上的许多问题也陆续衍生而出,运营商网络正面临着日益严重的安全威胁。作为网络管理者,如何迅速有效地监测网络异常情况,同时准确地掌握整个网络的业务流量模型,供市场部门作决策分析,已成为一项重要的课题。介绍了利用NetFlow技术,构建网络异常监测及分析系统,利用本系统可随时监测网络运行情况,以达到网络稳定顺畅运作及节省经费、人力的目的。
With the continuous popularization of the Internet, the network has become inseparable from people’s daily life. While users enjoy the convenience brought by the network, many problems on the network are also gradually derived. The operators’ networks are facing increasingly serious problems Security threats. As a network manager, how to quickly and effectively monitor the network anomalies, and accurately grasp the entire network traffic flow model for the market sector for decision analysis has become an important issue. This paper introduces the use of NetFlow technology to build a network anomaly monitoring and analysis system. The system can be used to monitor the operation of the network at any time in order to achieve stable and smooth operation of the network and to save money and manpower.