嗅探器基础知识与检测-本科毕业论文翻译.docxVIP

本科毕业论文（设计） 英 文 翻 译嗅探器的基础知识与检测学院xxx姓名xxx专业xxx班级xxx学号xxxSniffersBasics and DetectionPrefaceThis is the first version of my article titled “Sniffers Basics and Detection”. I havetried to explain ina very simple way what Sniffers are, how they work, methods ofdetecting sniffers, various sniffingtools and finally how to protect against sniffers.The reason I wrote this document was the factwhen I started trying out sniffers, there wasnot a single document that covered this topiccomprehensively.This article is a work in progress. I keep adding material as and when requested by users. I amplanning to add another section on using the various sniffing tools that are mentioned in thisarticle.I would love to hear from you, specifically if you want more details to be added to this document.Are there any doubts/queries of yours that this article didn’t clear up? Do you want moreinformation on a particular topic? If yes, please mail me. I would love to hear from you and helpyou if possible. Your comments, suggestions and criticisms about this article are welcome.And finally, this article is dedicated to my good friend GVS Karthik (Nange as we used to call himin IIT).Sniffers: Basics and Detection“If you know the enemy and know yourself, you need not fear the result of a hundredbattles. If you know yourself but not the enemy, for every victory gained you will alsosuffer a defeat. If you know neither the enemy nor yourself, you will succumb inevery battle.”IntroductionA sniffer is a program or a device that eavesdrops on the network traffic by grabbing informationtraveling over a network. Sniffers basically are Data Interception technology. They work becausethe Ethernet was built around a principle of sharing. Most networks use broadcast technologywherein messages for one computer can be read by another computer on that network. Inpractice, all the other computers except the one for which the message is meant, will ignore thatmessage.However,computers can be made to accept mes