基于数据包分析的网页还原技术研究-毕业论文

下载后可任意编辑基于数据包分析的网页还原技术讨论摘要：在信息社会中，信息是维持生产活动、经济活动以及社会活动的重要资源，对政治、经济和文化都有着深远影响。不断探究网络信息监听与还原技术有助于建立可靠、高效的信息安全保障体系，对于维护社会政治稳定和国家信息安全具有重要的现实意义。 结合应用环境和实际需求，本文探讨了网络数据包信息还原涉及的相关技术，包括几个方面的内容：数据包捕获技术、数据包分析技术、数据包重组技术、http 信息识别技术。针对数据包捕获讨论了几种捕获机制；针对数据包分析技术，介绍基本的网络协议原理，TCP/IP 协议族的介绍，对于每个协议的基本数据结构进行阐述针对数据包重组技术，讨论如何将无序的数据片流有序化；针对 HTTP 信息识别技术讨论了超文本传输协议 HTTP（HyperText Transfer Protocol），描述了协议的组成、相关参数、相关头域字段。 实际运行结果表明，本系统能对现有基于 HTTP/1.0 和 HTTP/1.1 协议的网页信息进行有效还原，运行稳定，性能良好。关键词：网络数据包捕获； 数据包重组； http 信息提取下载后可任意编辑Web Reduction technology research based on the analysis of the data packetsAbstract:In the information society, information is the important resource for maintaining production,social,economic andactivities, and it has become the base of political,economic and cultural fields.Exploration methods and techniques for network information sniffing contributes to the establishment of a reliable and efficient network information security system,it also helps for maintaining social and political stability,as well as economic development. Base on the demand analysis and the application environment, this paper discusses the related technologies which is involved in the system of recovering the information of network,such as the technology of capturing packets ,the technology of analysising packets,the technology of restructuring packets and the technology of recognizing HTTP's packets In the module of capturing packets, it mainly foucues...