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高校ARP问题现状分析
Abstract:
AddressResolutionProtocol(ARP)isanessentialprotocolusedinlocalareanetworkstoestablishacorrespondencebetweenthephysicaladdressandtheIPaddressofanetworkdevice.However,ARPsecurityweaknessesarebeingincreasinglyexploited,makingtheprotocolvulnerabletoattacks.Inthispaper,weanalyzethecurrentstateofARPproblemsinuniversitiesandcollegesandproposestrategiestomitigatetheseissues.
Introduction:
Asthenumberofcomputersandnetworkdevicesincreasesinuniversitiesandcolleges,ithasbecomeessentialtomaintainanefficientandsecurenetworkenvironment.TheARPisasignificantpartofthenetworkstack,responsiblefortranslatinglogicalIPaddressestophysicalMACaddresses.ItisusedinallEthernetnetworkstolinkthephysicalandnetworklayers.However,ARP'sprotocoldesignhasseveralinherentvulnerabilitiesthatcanbeexploitedbyattackers,makingitapopulartargetforNetwork-basedattacks.Thispaper'sobjectiveistoanalyzethecurrentstateofARPproblemsinuniversitiesandcollegesandproposestrategiestomitigatetheseissues.
ARPVulnerabilitiesinUniversitiesandColleges:
ManyARPvulnerabilitiesexistintheuniversityandcollegenetworks,makingthempronetobreaches.ThefollowingaresomeofthemostcommonARPproblems:
1.ARPSpoofingAttacks:
OneofthecommonARPattacksinuniversitiesisthespoofingattack.Inthisattack,theattackersendsARPmessageswithafalseMACaddressthatisassociatedwiththevictim’sIPaddress.Consequently,alldatapackagessentfromthevictimareredirectedtotheattacker,allowingthemtocaptureoralterthedata.
2.ARPCachePoisoning:
TheARPcachepoisoningattackoccurswhenanattackeroverwritesthelegitimateARPtable'sentriesandreplacesthemwiththeirIPaddressandMACaddress.Whenthevictimsendsdatatotheattacker'sIPaddress,thedataismisdirectedand,ineffect,resultsinadenialofservice(DoS)attack.
3.ARPFlooding:
IntheARPfloodingattack,anattackersendsalargenumberofARPrequests,overloadingthenetworkswitches,causinganetworkoutageoraDoSattack.
MitigationStrategiesforARPProblemsinUniversitiesandColleges:
AneffectivemitigatingstrategyforARPproblemsinuniversitiesandcollegessho