DDoS攻擊技術與防御方法研究.pdf

1、江南大學碩士學位論文DDoS攻擊技術與防御方法研究姓名：葉茜申請學位級別：碩士專業(yè)：計算機應用技術指導教師：張基溫20070601江南大學碩士學位論文AbstractThenetworkiSmoreandmorewidespreadandimportantinthehumansociety1ifeWorkand1ifehavebeenCloselyconnectedbyInternetHoweverwiththedevelopmenta

2、ndpopularityofInternet，networksecurityhasbecomeahotissueAnddifferentkindsofmeansofattacksemergedendlessly，amongwhichDoS(DenialofService)attacksbecomeoneofthecommonnetworkattacktechniquesbythecharacteristiCS，suchasextensi

3、vearea，strongconcealment，simplenessandefficiency，hardtodefenseandgreatdestroy，etcEspecially，DDoS(DistributedDenialofService)attacksaregreatlythreateningInternet，sincetheirgreaterdestroyThelosingwasimmeasurablewhileunders

4、uchattackSoitiSaveryimportanttargetinthenetworksecuritvfieldtoestablishmoreeffectivedefensemechanismagainstDDoSattackFirstly，theprincipleandmeansofDosandDDoSattacksareanalyzed，andthesomekindsofDDoSattacksarediscussedThec

5、urrentsituationoftheresearchofthetechnologyofdetectiondefenseofDDoSattacksiSstudiedAttacktreeiSadoptedtomodeltheDistributedDenialofServiceattackThenObject—Zlanguage，aformaldepictattacklanguage，iSusedtodepictthesub—termof

6、theattacktreemodelindetailtoguidetheanalysiS。detectionanddefenseoftheDDoSattackInsuccession，formtheviewbfISP(InternetServiceProvider)domain。adoptingthetechnologyofmobileagentandtheideaofintegratedmethod，aDDoSdefensemodel

7、basedonmobileagentiSexploringlyputforwardTheelementsofthemobileagentindefensemodelaredesignedindetailThetechnologyofmobileagentenablethedefensemodelitselfhastheabilitytodefenseDDoSattacksAndtheideaofintegratingflowmonito

8、ring，trafficfilteringandtracebackschemesbreaksthroughthe1imitationofthesingledefensemethodSubsequently。thedefiniteabilityagainstDDoSattacksofthemodeliSprovedbytheoriesanalyzingMoreover，mobileagentprogramsaredevelopedtopr