Switch User Manual

Overview of Authentication and Authorization Methods
SecureStack C3 Configuration Guide 26-3
bothtunnelandpolicy,alsoknownashybridauthenticationmode.RefertoConfiguring
PolicyMaptableResponseonpage 2652.
•MACLockinglocksaporttooneormoreMACaddresses,preventingtheuseof
unauthorizeddevicesandMACspoofingontheportFordetails,refertoConfiguringMAC
Locking
onpage 2657.
•PortWebAuthentication(PWA)passesalllogininform ationfromtheendstationtoa
RADIUSserverforau thenticationbeforeallowingausertoaccessthenetwork.PWAisan
alternativeto802.1XandMACauthentication.Fordetails,refertoConfiguringPortWeb
Authentication(PWA)
onpage 2668.
•SecureShell(SSH)providessecureTelnet.Fordetails,refertoConfiguringSecureShell
(SSH)onpage 2680.
•IPAccessLists(ACLs)permitsordeniesaccesstoroutinginterfacesbasedonprotocoland
inboundand/oroutboundIPaddressrestrictionsconfiguredinaccesslists.Fordetails,referto
ConfiguringAccessListsonpage 2682.
TACACS+(TerminalAccessControllerAccessControlSystemPlus)
asecurityprotocol
developedbyCiscoSystemsthatcanbeusedasanalternativetothestandardRADIUS
securityprotocol(RFC2865).TACACS+runsoverTCPandencryptsthebodyofeachpacket.
RefertoChapter 27,TACACS+Configuration,forinformationaboutthecomm andsusedto
configureTACACS+.
RADIUS Filter-ID Attribute and Dynamic Policy Profile Assignment
IfyouconfigureanauthenticationmethodthatrequirescommunicationwithaRADIUSserver,
youcanusetheRADIUSFilterIDattributetodynamicallyassignapolicyprofileand/or
managementleveltoauthenticatingusersand/ordevices.
TheRADIUSFilterIDattributeissimplyastringthatisformattedintheRADIUSAccess
Accept
packetsentbackfromtheRADIUSservertotheswitchduringtheauthenticationprocess.
EachusercanbeconfiguredintheRADIUSserverdatabasewithaRADIUSFilterIDattribute
thatspecifiesthenameofthepolicyprofileand/ormanagementleveltheusershouldbeassigned
uponsuccessfulauthentication.During
theauthenticationprocess,whentheRADIUSserver
returnsaRADIUSAccessAcceptmessagethatincludesaFilterIDmatchingapolicyprofilename
configuredontheswitch,theswitchthendynamicallyappliesthepolicyprofiletothephysical
porttheuser/deviceisauthenticatingon.
Filter-ID Attribute Formats
Enterasys NetworkssupportstwoFilterIDformats“decorated”and“undecorated.”The
decoratedformathasthreeforms:
•Tospecifythepolicyprofiletoassigntotheauthenticatinguser(networkaccess
authentication):
Enterasys:version=1:policy=string
wherestringspecifiesthe policyprofilename.Policyprofilenamesarecasesensitive.
•Tospecifyamanagementlevel(managementaccessauthentication):
Enterasys:version=1:mgmt=level
where
levelindicatesthemanagementlevel,eitherro,rw,orsu.
•Tospecifybothmanagementlevelandpolicyprofile:
Enterasys:version=1:mgmt=level:policy=string