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Intranet Traffic Analysis and Abnormality Detection Based on MRTG

Abstract

本论文基于开源的MRTG软件,建立对Intranet流量进行分析和异常检测的平台。首先使用流量监测系统可记录流量日志信息,然后编写脚本检测异常流量,并分析原因启动相应的控制策略,对交换机配置进行优化,以保证Intranet高效、稳定运转。具体工作分为:搭建流量监控系统、进行流量分析、异常检测和异常处理。重点研究的是如何解决在网络使用过程中出现异常流量的问题,通过编写脚本监控流量变化,设定报警阈值,启用脚本对路由器或交换机进行配置,达到控制端口的占用带宽。实验表明,流量监控系统可以获取流量信息,对异常流量进行准确地预警,并作出必要的操作,基本解决了由于过度使用带宽资源而造成的网络拥塞的问题。在实...The thesis has built a platform to analyze Intranet traffic and detect traffic abnormality based on the open-source software MRTG. The platform can monitor and record traffic information into logs. According to the logs, the shell scripts are created to detect abnormal traffic and diagnose the causes. And then some appropriate controlling strategies and optimal configurations of switches are appli...学位:工程硕士院系专业:信息科学与技术学院计算机科学系_计算机技术学号:X200822103

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