网络安全设计毕业论文

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1、摘要：随着Internet、网络信息技术的迅速发展及各种应用的日益普及，各单位计算机局域网已成为重要的基础设施，但随之而来的网络安全问题也显得尤为重要，本文章重点介绍了局域网安全控制与病毒防治的一些策略。关键词：局域网安全；VLAN；病毒防治；防火墙Summary：WiththeInternet,therapiddevelopmentofinformationtechnologynetworksandtheincreasingpopularityofvariousapplications,the

2、unitshavebecomeimportantcomputerlocalareanetworkinfrastructure,buttheattendantproblemofnetworksecurityisveryimportant,thisarticlefocusesonlocalareanetworksecuritycontrolandviruscontrolsomeofthestrategies.Keywords:localareanetworksecurity;VLAN;VirusPr

3、evention;Firewall13目录摘要..........................................1前言..........................................2第一章局域网安全..........................................31.1局域网安全现状..........................................31.2局域网安全威胁分析.......................

4、...................31.3局域网安全解决方法.........................................41.3.1网络分段.........................................41.3.2以交换式集线器代替共享式集线器.......................41.3.3VLAN的划分.........................................4第二章局域网病毒防治.................

5、........................52.1三大新威胁.........................................52.1.1Spyware(间谍软件).........................................52.1.2Adware(广告软件).........................................52.1.3Phishing(网络钓鱼软件，又称电子黑饵).......................52.2害

6、人四大新趋势.........................................52.2.1盗取个人资料.........................................62.2.2“僵尸”入侵.........................................62.2.3Adware、Spyware偷袭.........................................62.2.4垃圾邮件改头换面....................

7、.....................62.3只防病毒不安全.........................................6第三章防火墙与路由器.........................................73.1防火墙与路由器的区别.........................................73.1.1两种设备产生的根源不同.........................................73.1.2根本目的不同

8、.........................................83.2核心技术的不同.........................................83.2.1IP/TCP欺骗.........................................83.3安全策略制定的复杂程度不同.........................................83.4对性能的影响不同................................