局域網(wǎng)的數(shù)據(jù)包監(jiān)聽(tīng)及數(shù)據(jù)分析論文.docVIP

I畢業(yè)設(shè)計(jì)（論文）學(xué)院信息工程學(xué)院專(zhuān)業(yè)計(jì)算機(jī)科學(xué)與技術(shù)班級(jí)4625姓名xucidong332007年4月15日II摘要本文主要闡述了目前網(wǎng)絡(luò)安全的現(xiàn)狀、缺陷、面臨的威脅，提出了相應(yīng)的防范措施，并介紹了網(wǎng)絡(luò)的常用協(xié)議。然后又介紹了WINSOCK技術(shù)和監(jiān)聽(tīng)原理，并對(duì)最廣泛的監(jiān)聽(tīng)工具sniffer做了簡(jiǎn)單的概述。基于當(dāng)前網(wǎng)絡(luò)很多威脅都是來(lái)自與自己電腦的漏洞與自己不能夠清楚的察覺(jué)到自己電腦是否正在被侵犯，雖然防火墻可以提供幫助，但它不能對(duì)低層的東西顯示給大家。本文主要研究的是對(duì)局域網(wǎng)的數(shù)據(jù)包監(jiān)聽(tīng)并分析，采用WINSOCK技術(shù)實(shí)現(xiàn)的。在此工具中主要有監(jiān)聽(tīng)和IP數(shù)據(jù)包分析2大主要功能，并能通過(guò)窗體清楚的顯示出來(lái)。它使人們可以每時(shí)每刻觀察到進(jìn)入自己電腦的數(shù)據(jù)包，并能夠觀察到進(jìn)行數(shù)據(jù)交流時(shí)對(duì)方的IP地址和所開(kāi)放的端口號(hào)，及時(shí)對(duì)信息明朗化，預(yù)防黑客端口的監(jiān)聽(tīng)。關(guān)鍵詞：網(wǎng)絡(luò)安全監(jiān)聽(tīng)工具winsock技術(shù)IP數(shù)據(jù)包Vc+IIIAbstractThistexthasexplainedthecurrentsituation,defect,threatfacedoftheonlinesecurityatpresentmainly,haveputforwardthecorrespondingprecautionarymeasures,hasintroducedthedailyagreementofthenetwork.Recommendwinsocktechnologyandmonitorprinciple,monitortoamostextensiveonetoolsniffermakethesimplesummary。Onthebasisofnetworkalotofthreattocomefromwithonesownloopholeandoneselfofcomputercannotclearperceivingwhetheronesowncomputerisbeinginfringedatpresent,thoughthefirewallcanofferhelp,itcantshowtothethingofthelowertoeverybody.Mainresearchofthistextiswrappingupandmonitoringandanalysingaboutthedataofthelan,adoptwincocktechnologytorealize.Monitorandwrapupandanalyse2greatmainfunctionswithipdatamainlyintoolonce,andcancomeoutthroughthedisplaythatthewindowbodyisclear.Itspeoplecanobserveallthetimethedatawhichenteronesowncomputerarechartered,andcanobservetheothersidesipaddressandendslogansopenedwhileexchangingthedata,cleartoinformationintime,preventthemonitoringofblackports.Keywords:networksecuritymonitortoolwinsocktechnologyipdatapackvc+IV目錄摘要.IAbstract.III目錄.IV引言.11網(wǎng)絡(luò)安全面臨的威脅.21.1什么是網(wǎng)絡(luò)安全.21.2網(wǎng)絡(luò)安全隱患與威脅.21.3幾種常見(jiàn)的威脅類(lèi)型.41.4威脅我國(guó)網(wǎng)絡(luò)安全的4個(gè)因素.52網(wǎng)絡(luò)協(xié)議.73WINSOCK技術(shù)與監(jiān)聽(tīng)原理.113.1WINSOCK技術(shù)概述.113.2局域網(wǎng)與以太網(wǎng)監(jiān)聽(tīng)原理.144sniffer.174.1sniffer概述.174.2怎樣防范sniffer.185基于WINSOCK技術(shù)捕獲IP包工具的設(shè)計(jì)