面向网格的入侵检测研究

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1、南开大学硕士学位论文面向网格的入侵检测研究姓名：孟晋津申请学位级别：硕士专业：计算机软件与理论指导教师：邵秀丽20080501Abstract嘶dhasbeencalledthethirdwaveofinformationtechonology．Itservestheusersbvcoordinatingvariousresourcesfromdifferentplacesviacommonprotocolandinterface．WiththedevelopmentoftheconceptandstandardofOGSAOVerthepastfewyea

2、rs，Gridtechnologyhasadvancedrapidly．AsthecoreofGrid，GridSecurityprovidessafetythroughsecurityprotocolandsecuritytransation,whichisnotaseffectiveasexpected．Intrusiondetection,avitalmeansforthesecurityoftraditionalwebs，defendsthewebsinanactivemanner．AppliedtotheGrid，intrusiondetectio

3、nmayevolvedintooneadaptedtotheGrid．Itwillbeaneffectiveredeptiontothedefectsofpresentgridsecuritytechnology．Hopefully,thiswillbethefutureofgridsecurity．ThispaperisanattempttoanalyzethesecurityproblemsandintrusionwaysinGrid．Withaviewtoimprovingtheexistingintrusiondetection，theauthorp

4、roposesagrid-orientedintrusiondetectionsystemwhichisbasedonmodule-baseddesignandgivesthedesignandimplementofallmodulesinthissystem．AimedatthedisadvantagesofpresentIDSinGridenvironment，thesystemdetectsintrusionstotheGridbythecoordinationoftheloadbalancingalgorithmdevelopedfromthemod

5、elingofGridandgraphtheory．TheloadbalancingalgorithmmakesallmodulesofGOIDScoordinativeworkinginGridenviroment，decreasethetotalloadofthesystemandincreasetheoverallperformanceofGOIDS．Thissystemischaracterizedbystrongextension,loadbalancingalgorithmandself-adaptability．Asaresult，itbett

6、ersolvestheproblemofIDSworkinginGridenvironment,andistoatertianextentcoveringtheshortageofthepresentGridsecuritytechnology．Thesystemworksthroughwebservice，appropriatetoOGSA．IthasbeenappliedtotheTianjinSuburbanIndustrialGrid，providingintrusiondetectionserviceforthegnd．Thisapplicatio

7、nhasprovedtheeffectivenessofthesystemanditsmeritssuchasstrongextensionandloadbalancing．Keyword：Grid，IntrusionDetection，loadbalancingalgorithm，WebServiceIl目录图目录图2．1GSI结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯7图2．2GOIDS结构矗⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯12图2．3GOIDS功能流程图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．16图2．4信息采集模块⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯18图2．5