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Nortel Networks Contivity Secure IP Services Gateway 4600 Manual de usuario Pagina 11

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• IPSecProtocolTunnels
• PPTPProtocolTunnels
• L2TPProtocolTunnels
• L2FProtocolTunnels
• ChangePassword
2.4.1 CryptoOfficerServices
ThereisafactorydefaultloginIDandpassword,whichallowsaccesstotheCrypto
Officerrole.Thisinitialaccountistheprimaryadministrator'saccountfortheSwitch,
andguaranteesthatatleastoneaccountisabletoassumetheCryptoOfficerroleand
completelymanagetheswitchandusers.Theswitchcanalsobeconfiguredto
authenticatebasedonRSAdigitalsignatures.Anadministratoroftheswitchmayassign
permissiontoaccesstheCryptoOfficerroletoadditionalaccounts,therebycreating
additionaladministrators.EachadministratorwouldhaveaseparateIDandpassword.
Administratorsmayalwaysaccesstheswitchandauthenticatethemselvesviatheserial
port.TheymayalsoauthenticateasaUseroverasecuretunnelandthenauthenticateto
theswitchasaCryptoOfficerinordertomanagetheswitch.Anadministratorcanalso
configuretheswitchtoallowordisallowmanagementviaaprivateLANinterface,
withoutusingasecuretunnel.InitiallythedefaultconfigurationallowsHTTP
managementontheprivateLANinterfaceoftheSwitchwithoutrequiringasecure
tunnel.
Atthehighestlevel,CryptoOfficerservicesincludethefollowing:
• ConfiguretheSwitch:todefinenetworkinterfacesandsettings,setthe
protocolstheswitchwillsupport,defineroutingtables,setsystemdateand
time,loadauthenticationinformation,etc.
• CreateUserGroups:todefinecommonsetsofuserpermissionssuchas
accesshours,userpriority,passwordrestrictions,protocolsallowed,filters
applied,andtypesofencryptionallowed.Administratorscancreate,editand
deleteUserGroups,whicheffectivelydefinesthepermissionsetsfora
numberofUsers.
• CreateUsers:todefineUseraccountsandassignthempermissionsusing
UserGroups.EveryUsermaybeassignedaseparateIDandpasswordfor
IPSec,PPTP,L2TP,andL2F,whichallowaccesstotheUserroles.
Additionally,anaccountmaybeassignedanAdministrationID,allowing
accesstotheCryptoOfficerrole.EachAdministratorIDisassignedrightsto
ManagetheSwitch(eithernone,viewswitch,ormanageswitch)andrightsto
ManageUsers(eithernone,viewusers,ormanageusers).
• DefineRulesandFilters:tocreatepacketFiltersthatareappliedtoUser
datastreamsoneachinterface.EachFilterconsistsofasetofRules,which
defineasetofpacketstopermitordenybasedoncharacteristicssuchas
protocolID,addresses,ports,TCPconnectionestablishment,orpacket
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