1、遼寧師范大學碩士學位論文結(jié)合802.1x認證技術的計費網(wǎng)關的研究姓名：富志偉申請學位級別：碩士專業(yè)：計算機應用技術指導教師：劉青昆20070101結(jié)合802Ix認證技術的計費網(wǎng)關的研究AbstractWiththeupgradingandcapacityextendingofthebackboneband帆dthoftheinteract，theincreasingdemandforahigh—speedaccesstotheinter

2、netbytheus哪aswellasitshighcostcomesintoconflictwiththedevelopmentofcollegecampusnetworkAnauthenticationsystemgearedtotheenviromentofitscampusnetworkisalleffectivemeallstosolvethisconflictOnlythroughthe“resourcesandcostss

3、haring’principlecanweguaranteethestabilityofCampusNetworkoperationandthehealthydevelopmentoftheCmnpusNetworkAfterconductingflll瞌erresearchintotheoperationalprincipleandthe咖蕾bsandweaknessesofthecurrenttwopopularauthentica

4、tionsystemsaccountingGatewayAuthenticationAccountingSys_Ie!mand8021xAuthenticationaccountingSystemcombinedwiththerealenvironmentof山ecampusnetworkthispaperpresentsallauthenticationaccountingsystemonthecombinationofthetwoa

5、bovementionedsystems，whichreducesIPembe：zlementandclasheIlhallcesthesecurityoftheintranctandachievesthecontrolOVea“networkflowfeefortheacCeSStotheexternalwebsitcsbesiclesexercisingstrictconsolsOVcrus哪whohaveaccesstothein

6、tranctThispapermainlyconstructsandactualizestheAccountingGatewaybased∞Linuxandcombinedwith8021xauthenticationtechnologyThemainresearchpointsareasfollows：l，TheAccountingGatewayisestablishedOnthebasisoftheframeworkofNetfil

7、tcrunderLinuxkernel26，whichcarriesouttheaccountingofthedataflowaswellasthecontrolOVerusersinUserModeandaccomplishesthecollectionofusers’dataloginKernelModeCousequentlyitprovidesaflexibleaccountingwayandcontrolruleenormou

8、slydecreasesthecomplexityofkernelspaceanda唯m髑theaccuracyandrealtimeofthechargingdata2。EmployingFreeRadiusasRadiusAuthenticationSeverconnectedwithSwitchwhichsupports8021xAuthenticationthesystemimplementstheAccessAuthentic

9、ationforintranetusersThroughrevisingFreeRadiusSoureecodeandstrengtheningthemessage—passingfunctionofauthenticationmonitoringmodule，8021xAuthenticationiscloselyassociated、vithAccountingGatewayandaccomplishesthetransparent

10、processof“OnceInputTwiceAnthentication”3AccountingGatewayisrequiredtoextractlPaddressineveryforv舊ntingpacketSOastomakeinquiryandorientationintheusefs’informationtable，asaixsaiLitisanimportantmeanstoconstructanefficientas