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1、网络扫描技术的原理、比较、建议(Theprinciple,comparisonandsuggestionofnetworkscanningtechnology)Theprinciple,comparisonandsuggestionofnetworkscanningtechnology[2004-11-2609:58:17]author:SongYuan,editorinchief:liyalinAbstract:WiththerapiddevelopmentofInternet,thenetworkintrusionbehaviorisbecomingmoreandmore
2、serious,andnetworksecurityhasbecomethefocusofattention.Networksecurityscanningtechnologyisoneofthemostimportanttechnologiesinthefieldofnetworksecurity,theclassificationofitsconcept,aresummarized,andtwokindsofmaintechnology,portscanningandvulnerabilityscanningtechnologyanditsprinciplearedesc
3、ribedindetail,andcomparedtheiradvantagesanddisadvantages,itintroducestheprincipleofvulnerabilityscanningtechnologyand,someimprovementsuggestionsonsomeproblemsexistingvulnerabilityscanning.1.IntroductionWiththecontinuousdevelopmentofInternet,informationtechnologyhasbecomeagreatimpetustopromo
4、teeconomicdevelopmentandsocialprogress:intoday'ssocietyhighlycomputerizedinformationresourceforanyoneatanytime,anyplaceisextremelyvaluable.Whethertheinformationstoredintheworkstation,serverorInternetistransformedintoakeystrategyforthesuccessorfailureoftherelationship,whichmakesthesecurityof
5、informationbecomemoreimportant.Securityscanningtechnologyisakindofimportantnetworksecuritytechnology.Securityscanningtechnologyandfirewall,intrusiondetectionsystemcooperatewitheachother,caneffectivelyimprovethesecurityofthenetwork.Throughthescanningofthenetwork,networkadministratorcanunders
6、tandthenetworksecurityconfigurationandoperationofapplicationservices,timelydiscoveryofsecurityvulnerabilities,objectiveevaluationofnetworkrisklevel.Networkadministratorscancorrectthenetworksecurityvulnerabilitiesandthewrongconfigurationofthesystemaccordingtotheresultsofthescanning,andpreven
7、tthembeforehackersattack.Ifthefirewallandnetworkmonitoringsystemisapassivemeansofdefense,thensecurityscanningisanactivepreventivemeasures,caneffectivelyavoidhackerattacks,soastonipinthebud.Securityscanningtechnologyisdividedintotwocategories:hostsecurity