…………………….……………….…………………山东农业大学毕业论文题目：网络嗅探技术探索与设计院部信息科学与工程学院专业班级网络工程2班届次2012届学生姓名学号20085265指导教师二О一二年六月五日装订线……………….…….………….………….………网络嗅探器技术探索与设计Explorationanddesignofthenetworksniffer专业Speciality网络工程Networkengineering学生Undergraduate指导教师Supervisor山东农业大学二○一二年六月ShandongAgriculturalUniversityJune,2012-45-目录TOC\o"1-3"\u1引言PAGEREF_Toc327628457\h11.1课题背景PAGEREF_Toc327628458\h11.2网络安全现状PAGEREF_Toc327628459\h21.3开发意义PAGEREF_Toc327628460\h32关于网络嗅探PAGEREF_Toc327628461\h42.1网络嗅探概念PAGEREF_Toc327628462\h42.2以太网嗅探的原理PAGEREF_Toc327628463\h42.3Winpcap简介PAGEREF_Toc327628464\h63系统概述PAGEREF_Toc327628465\h93.1实现目标PAGEREF_Toc327628466\h93.2开发环境分析PAGEREF_Toc327628467\h93.2.1C++语言简介PAGEREF_Toc327628468\h93.2.2开发工具简介PAGEREF_Toc327628469\h94算法分析PAGEREF_Toc327628470\h114.1各种类型报文对象的构造PAGEREF_Toc327628471\h114.2过滤方法PAGEREF_Toc327628472\h125详细设计与实现PAGEREF_Toc327628473\h145.1网络协议的分析与实现PAGEREF_Toc327628474\h145.1.1数据链路层PAGEREF_Toc327628475\h145.1.2网络层PAGEREF_Toc327628476\h145.1.3运输层PAGEREF_Toc327628477\h195.2数据包的捕获PAGEREF_Toc327628478\h225.3数据包的分析PAGEREF_Toc327628479\h245.4实现过程中的难点PAGEREF_Toc327628480\h265.5嗅探程序运行截图PAGEREF_Toc327628481\h276总结PAGEREF_Toc327628482\h30参考文献PAGEREF_Toc327628483\h31致谢PAGEREF_Toc327628484\h32ContentsTOC\o"1-3"\u1IntroductionPAGEREF_Toc288409961\h11.1Subjectbackground11.2Networksecuritysituation21.3Developmentofmeaning32Networksniffer42.1Theconceptofnetworksniffer42.2Ethernetsniffingtheprinciple42.3WinpcapProfile63SystemOverview93.1Goals93.2Analysisofdevelopmentenvironment93.2.1C++LanguageProfile93.2.2Developmenttoolprofile94Algorithmanalysis114.1Varioustypesofpacketstheobject'sconstructor114.2Filteringmethods125Detaileddesignandimplementation145.1AnalysisandImplementationofnetworkprotocol145.1.1Datalinklayer145.1.2Networklayer145.1.3Transportlaye