Netchecker網(wǎng)絡(luò)檢測器.pdf

1、電子科技大學(xué)碩士學(xué)位論文checker網(wǎng)絡(luò)檢測器姓名：胡陵申請學(xué)位級別：碩士專業(yè)：電子與通信工程指導(dǎo)教師：呂明張世界20071101AbstractAbstract“Netcheckernetworkdetector”ismainlyusedforregulatingtheuseofbroadbandnetworkUSOrsandprotecttherightsandinterestsofbroadbandoperators，isbas

2、edontheTCP／IPnetworkenvironmentdetectionandacescontrolsystemItcanautomaticallydetectthenetworkwithoutpermissionerectionoftheproxysel“verorroutertopreventUSerSusingillegalproxyserverorroutertoshareInternetaccesstotaxevasi

3、oncharges；TheseproxyserverontheIPpacketflowofsuchroutersandIPpacketsautomaticallyinterceptandpreventillegalUSOrstaxevasion嘴ofInternetTheprojectistechnicallymainlyUSesa竹passivescanningtechnology”，”networkfingerprinttechno

4、logyand“bypassTCPcommunicationsstoptechnology”，andthroughtheSmartPacketEthernetpacketintegrationtechnologyaswellasadvancedcomputertechnologyshouldbeintegratedandWasdevdopedusingthusachievingthebroadbandnetworksofscientif

5、icandeffectivemanagementTechnicalfeatureskeytechnologies：NctCheckerthroughfingerprintcollectionandanalysisofnetworkautomaticallydetecthiddeninthenetwork’SNAT／Proxyaswell勰throughtheNAT／ProxynumberofInternetcomputersNetChe

6、ckernetworkdetectedthepresenceofillegalproxyserver(Proxy)orillegalNetworkAddressTranslators(NAT)，thenetworkadministratorcanchoosetonoticeandalsocanautomaticallystoptheProxy／NATlinks，itisofflineUsingimagetechnologyexports

7、totheimplementationofpassivenetworkscanfingerprintrecognitionSOthatthenetworkdoesnotaffectthenormaloperationofthenetworkComparisoncommonlyusedTCPandICMPscallsaretheuseofactivescanningtechnologyFromthetestingofcomputeriss

8、uedtothetargetcomputerscanningagroupofspecificcontrolpacket，thecorrespondingresponsecapture，andanalysisofcorrespondingresultsThescanningtechnologyistheuseofpassivenetworkdetectiontechnologyontheircomputerissuedbythetarge

9、tIPpacketsdirectlyforanalysisPassivescanningtechnologyadvantages：thenetworkwillnotaffectthenormaloperationoftheoriginalstructureandcanbeconsideredthattheequipmentdoesnotexit；Atthesametimegreatlyimprovingthedetectioneffic