1 绪论........................................................................................................................................1
1.1 课题背景.....................................................................................................................6
1.2 国内外发展现状.........................................................................................................6
1.3 本文主要任务.............................................................................................................8
1.4 论文的组织结构.........................................................................................................8
2.相关知识理论........................................................................................................................9
2.1 OSI 参考模型 .............................................................................................................9
2.2 TCP/IP 体系结构......................................................................................................10
2.3 OSI 与 TCP/IP 的比较 .............................................................................................11
2.4 HTTP 协议................................................................................................................12
2.5 IP 协议 ......................................................................................................................13
2.6 数据捕获函数的一些函数.......................................................................................15
2.7 本章小结...................................................................................................................16
3.需求分析..............................................................................................................................18
3.1 可行性分析...............................................................................................................18
3.1.1 技术可行性....................................................................................................18
3.1.2 经济可行性....................................................................................................18
3.1.3 社会可行性....................................................................................................19
3.2 系统需求分析...........................................................................................................19
3.2.1 功能需求.....................................................................................................19
3.2.2 性能需求.......................................................................................................23
3.2.3 运行需求........................................................................................................24
3.2.4 安全需求分析................................................................................................24
4 系统设计..............................................................................................................................26
4.1 网络监听模块...........................................................................................................26
4.2 拦截策略控制模块...................................................................................................27
4.3 IP 包分析模块 ..........................................................................................................28
4.3.1IP 包过滤模块 ................................................................................................28
