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1、网页防篡改技术与系统设计 I 摘要 网页作为信息的载体在互联网高速发展的今天正起着越来越重要的作用。 然而由于各类 Web 应用系统的复杂性和多样性，导致系统漏洞层出不穷，黑客 入侵和篡改页面时有发生。针对这些问题，网页防篡改系统应运而生。防篡改 作为网页保护的一种重要技术正受到越来越多的关注。 本文应用时间轮询技术，加 MD5 加密技术，对需要保护的文件进行了特征 值加密，在客户端与服务端之间传输命令，再由服务端将其存入数据库。这样 在 UDP 传输时可以更好的体现出其传输效率问题的同时，也避免了安全问题。 相比较全文对比提高了工作效率。并且节省了带宽，降低了服务器 cpu 的使用 率与内存
2、使用率。同时本文分析了网页防篡改系统的发展与国内外现状，对国 内外防篡改软件进行了对比，介绍了本文相关技术所涉及的要点如基于 UDP 协 议的字符串传输，利用 WMI 进行远程关机，还有利用 C#的 mail 实例进行邮件 发送。在本文最后，进行了测试。在网页端不被控制的情况下可以实现快速的 内容替换，从而将负面影响降低到最低。并且通过 email 发送模块发邮件提示 管理员网页已经遭到篡改。在恢复网页失败后，将采取远程自动关机，用以保 护服务器的安全。测试结果均符合预期。网页防篡改技术与系统设计 II Abstract Web as an information carrier of the
3、 rapid development of the Internet today are playing an increasingly important role. However, due to various types of Web applications, the complexity and diversity, leading to endless vulnerabilities, hacking and tampering page occur. To solve these problems, web tamper system came into being. Tamp
4、er protection as an important web technology is being more and more attention. Application of time polling technology, plus MD5 encryption technology, on the need to protect the documents of the eigenvalues of encryption, in between the client and server transmit the command, then the database serve
5、r to store it. UDP transmission so that you can better demonstrate the transmission efficiency, but also to avoid security problems. Compared to the full text contrast to improve the work efficiency. And save bandwidth, reduce server cpu usage and memory usage. This article also analyzes the page ta
6、mper status of system development at home and abroad, on domestic and international anti-tamper software were compared in this paper are the main points involved in related technologies such as the transmission based on UDP protocol string to use WMI to remotely shut down, but also have used C # in
7、the mail instance mail. At the end of this article, were tested. Side of the page are not under the control of the content can be achieved quickly replaced, thus minimizing their negative impacts. Email sent through mail prompts the administrator module has been tampered page. After the failure of t
8、he restoration page, will take the remote automatically shutdown to protect the security of the server. The results are in line with expectations. 网页防篡改技术与系统设计 III 目录 第一章 绪论 .1 1.1 课题背景与研究意义 .1 1.2 网页防篡改系统发展与国内外现状.1 1.2.1 问题分析与成因总结 .2 1.2.2（起始点）人工对比检测.3 1.2.3（第一代）时间轮巡技术.3 1.2.4（第二代）事件触发技术&核心内迁嵌技术 .3 1.2.5（第三代）文件过滤驱动技术事件触发技术.6 1.2.6 防篡改技术比较和分析.7 1.2.7 篡改后恢复的实现 .8 1.2.8 虚拟化解决方案 .9 1.3 本论文的主要设计内容 .10 1.3.1 网页防篡改模块 .10 1.3.2 篡改后修复与报警模块.10 第二章 系统需求分析 .10 2.1 目标 .11 （1）开发目标 .11 （2）应用目标 .11 2.2 功能需求 .11 （1）MD5 存储 .11 （2）轮询数据库 .12 （3）远程关机 .12 （4）邮件发送 .12 （5）获取文件 .12 2.3 性能需求 .12 （1）数据管理能力需求 .
