文档介绍：毕业论文题目: 信息安全防范技术学生姓名郑钊彬学生专业计算机信息管理学生年级 09 级指导教师陈刚指导时间: 2012 年2月3日—— 2012 年5月 15日独创性声明本人声明所呈交的论文是我个人在导师指导下完成的。尽我所知,除文中已经标明引用的内容外,本论文不包含任何其他个人或集体已经发表或撰写过的研究成果。对本文的研究做出贡献的个人和集体,均已在文中以明确方式标明。本人完全意识到本声明的法律结果由本人承担。论文作者签名:郑钊彬日期: 年月日摘要人们生活在发展的世界中,越来越多的产品的出现,标志着人们对信息的需要在不断增加。在这个“网络时代”, 随着科学技术的进步和经济的迅速发展,网络时代的一个明显特征就是网络技术的广泛应用。从世界范围的全球互联网到几台电脑之间的局域网络。网络的发展使得资源得到更有效的传播和利用,但与此同时,网络安全问题也日益突出。不论是外部网还是内部网的网络都会受到安全的问题。网络攻击时危害网络安全的一大威胁。随着计算机技术的飞速发展,网络攻击技术理论和攻击工具均有了新的发展,伴随网络攻击事件层出不穷,因此通过对网络技术方向的分析与归纳,才取相应的安全措施减少被攻击的可能性具有很强的实用意义。本文讲述的是网络当中局域网的安全及维护,主要是从局域网的安全概论、局域网安全分类、局域网所面临的危害、局域网安全技术、局域网安全防范措施等方面内容。关键字:局域网、安全技术、防范措施、安全分类 Abstract People life world indevelopment in, more and more ofproduct ofemergence, marking people need information atcontinuously increment. Atthis “network ages ”,along with science technique ofprogress and economy ofquick development, network ages ofanobvious the characteristic work technique ofextensive application. Thebureau area that isfrom the world ofworld scope toseveral work. Thedevelopment work make the resources get more valid ofdissemination and make use of, but atthe same time, network safety the problem bealso outstanding day byday. Inspite work still aninner part inthe exterior will besubjected tosafety ofproblem. Network attack is work safety ofabig threat. Along with calculator technique of fly soon development, network attack technique theories and attack the tool all had new ofdevelopment, work attack the affairs pile up one after another, sopass work technique direction ofanalysis with induce, adopt correspond ofsafety measure decrease quilt attack of possibility have very strong practical meaning. What this text relate work inthe middle bureau ofsafety and maintenance, bureau safety structure, the bureau safety classification, bureau area face ofendanger, bureau safety technique, bureau safety guard against measure etc. contents. Key word: bureau , safety technique, guard against measure, safety classification 目录摘要......................