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1、........ComputernetworksecurityandtoguardagainstAbstract:Whenmankindenteredthe21stcenturyinformationsociety,thenetworksocietyofthetime,Chinawillestablishacompletesetofnetworksecuritysystem,especiallyfromthepolicyandlawtoestablishChina'sowncharacteristics,
2、networksecuritysystem.Keywords:computer;network;security;preventIntheinformationage,informationcanhelpgroupsorindividualssothattheybenefitfrom,thesameinformationcanalsobeusedtoposeathreattothem,causeddamage.Thereforenetworksecurity,includingthecomposition
3、ofnetworkhardware,softwareandnetworktransmissionofinformationsecurity,sothattheydonotbecauseofaccidentalormaliciousdestructionoftheattacks,networksecuritynotonlythetechnicalaspects,butalsomanagementissues,bothcomplementeachother,areindispensable.First,the
4、conceptofcomputernetworksecurityInternationalOrganizationforStandardizationof"computersecurity"isdefinedas:"Toestablishadataprocessingsystemandtheadoptionof参考.资料........technologyandmanagementofsecurityprotection,theprotectionofcomputerhardware,software,d
5、ataisnotduetoaccidentalandmaliciousdestructionofreasons,changeandleakage."Theabovedefinitionofcomputersecurityincludesphysicalsecurityandlogicalsecurityofboththecontentsofthecontentsofthelogicofsecuritycouldbeunderstoodasweoftensaythattheinformationsecuri
6、ty,informationreferstotheconfidentiality,integrityandavailabilityofprotection,andnetworksecurityInformationsecurityisthemeaningoftheextension,thatnetworksecurityisanetworkofinformationconfidentiality,integrityandavailabilityprotection.Computernetworksecur
7、ityasthespecificmeaningoftheuserchanges,theuserisdifferentonthenetworksecurityawarenessandrequirementswillbedifferent.Fromtheordinaryuser'spointofview,couldonlyhopethatpersonalprivacyorconfidentialinformationtransmissiononthenetworkbeprotectedagainsteaves
8、dropping,tamperingandforgery;andnetworkproviderinadditiontocareaboutthesenetworkinformationsecurity,wemustalsoconsiderhowtodealwithsuddennaturaldisasters,suchasmilitarystrikesagainstthedestructionofnetworkhardware,a
