using csp to model and analyze transmission control protocol vulnerabilities within the bro

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1、UsingCSPtoModelandAnalyzeTransmissionControlProtocolVulnerabilitieswithintheBroadcastNetworkHamidRezaShahriari,RasoolJalili¤DepartmentofComputerEngineeringSharifUniversityofTechnologyTehran,IranEmail:shahriari@mehr.sharif.edu,jalili@sharif.eduAbstract—Spreadingnetworksandincreasingtheircomplex-corre

2、ctnessofthegoalsinthemodel.Section2reviewstheityhascomplicatedthetaskofsecurityanalysis.Accordingly,relatedworks.Section3describesourproposedapproach,aautomaticverificationapproacheshavereceivedmoreattentionsimplifiedmodelofTCPaswellasthenetworkofhosts.recently.Inthispaper,wemodeledanetworkincludingas

3、etInsection4weanalyzethemodeltotestsomesecurityofhosts(clientsandservers)usingtheprocessalgebraCSPinordertoverifytheTransmissionControlProtocol(TCP)propertiesandshowcounter-examples.behavioragainstanactiveintruder.ThemodelisverifiedusingtheFDRtoolandasaresult,someattackscenariosviolatingII.RELATEDWOR

4、Kthesecurityarefound.ThescenariosshoweshowanintruderWorkspublishedrelatedtothetopicincludeasetofworkcancompromisetheservertrusttoitsclients.AsthemodelwhichfocusingonusingCSPprocessalgebrainmodelingismodular,extendable,andscalable,morecomplexattackscenarios(combinationofsimpleones)canbedetectedusinga

5、ndverifyingsystemsaswellasonsystem-levelvulnera-themodel.bilityanalysis.CSPanditsmodelcheckerFDRbelongtoIndexterms—Securitymodelingandverification,Vulnera-classofformalismswhichcombineprogramminglanguagesbilityAnalysis,Attack,TCP.andfinitestatemachines.CSPiswidelyusedtomodelI.INTRODUCTIONandverifysyst

6、ems,e.g.verifyingend-to-endprotocols[3],specificationandverificationofintrusion-tolerantsystemsinAscomputernetworksgrowinsizeandcomplexity,theirMAFTIAproject[4],[5]andverificationofcryptographicsecuritybecomesmorecomplicated.Thegrowthofcomputerprotocols[6].In[7]Bellovindescribedsomeimplementationnetwor

7、ksandtheirdistributednature(lackofcentralcontrol)independentflawsinTransmissionControlProtocol(TCP).providesopportunitiesforinsidersandoutsiderstoviolateHealsopresentedavarietyofattacksbasedontheseflaws