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Cisco Ise 13 User Guide

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Page 301

Step 4CheckthecheckboxnexttothenewActiveDirectoryjoinpointthatyoucreatedandclickEdit,orclickon
thenewActiveDirectoryjoinpointfromthenavigationpaneontheleft.Thedeploymentjoin/leavetableis
displayedwithalltheCiscoISEnodes,thenoderoles,andtheirstatus.
Step 5CheckthecheckboxnexttotherelevantCiscoISEnodesandclickJointojointheCiscoISEnodetothe
ActiveDirectorydomain.
Youmustdothisexplicitlyeventhoughyousavedtheconfiguration.TojoinmultipleCiscoISEnodestoa...

Page 302

Leave the Active Directory Domain
IfyounolongerneedtoauthenticateusersormachinesfromthisActiveDirectorydomainorfromthisjoin
point,youcanleavetheActiveDirectorydomain.
WhenyouresettheCiscoISEapplicationconfigurationfromthecommand-lineinterfaceorrestore
configurationafterabackuporupgrade,itperformsaleaveoperation,disconnectingtheCiscoISEnodefrom
theActiveDirectorydomain,ifitisalreadyjoined.However,theCiscoISEnodeaccountisnotremoved...

Page 303

domainmarkup(prefixorsuffix).Duetothesereasons,configuringauthenticationdomainsisabestpractice,
andwehighlyrecommendedit.
Procedure
Step 1ChooseAdministration>IdentityManagement>ExternalIdentitySources>ActiveDirectory.
Step 2ClicktheAuthenticationDomainstab.
Atableappearswithalistofyourtrusteddomains.Bydefault,CiscoISEpermitsauthenticationagainstall
trusteddomains.
Step 3Toallowonlyspecifieddomains,uncheckUseallActiveDirectorydomainsforauthenticationcheckbox.
Step...

Page 304

Ifyoudeleteagroupandcreateanewgroupwiththesamenameasoriginal,youmustclickUpdate
SIDValuestoassignnewSIDtothenewlycreatedgroup.Afteranupgrade,theSIDsareautomatically
updatedafterthefirstjoin.
Note
What to Do Next
ConfigureActiveDirectoryuserattributes.
Configure Active Directory User and Machine Attributes
YoumustconfigureActiveDirectoryuserandmachineattributestobeabletousetheminconditionsin
authorizationpolicies.
Procedure
Step...

Page 305

Procedure
Step 1ChooseAdministration>IdentityManagement>ExternalIdentitySources>ActiveDirectory.
Step 2CheckthecheckboxnexttotherelevantCiscoISEnodeandclickEdit.
Step 3ClicktheAdvancedSettingstab.
Step 4Modifyasrequired,thePasswordChange,MachineAuthentication,andMachineAccessRestrictions(MARs)
settings.
Theseoptionsareenabledbydefault.
Step 5ChecktheUseKerberosforPlainTextAuthenticationscheckboxifyouwanttouseKerberosforplain-text...

Page 306

Create a New Scope to Add Active Directory Join Points
Procedure
Step 1ChooseAdministration>IdentityManagement>ExternalIdentitySources>ActiveDirectory.
Step 2ClickScopeMode.
AdefaultscopecalledInitial_Scopeiscreated,andallthecurrentjoinpointsareplacedunderthisscope.
Step 3Tocreatemorescopes,clickAdd.
Step 4Enteranameandadescriptionforthenewscope.
Step 5ClickSubmit.
Identity Rewrite
IdentityrewriteisanadvancedfeaturethatdirectsCiscoISEtomanipulatetheidentitybeforeitispassedto...

Page 307

Theresultwouldbejdoe.Thisisanexamplerulethatcanbecreatedwhenanidentityisfromacertificate,
thefieldisanemailaddress,andActiveDirectoryisconfiguredtosearchbySubject.Thisruleinstructs
CiscoISEtoremove‘E=’.
•IftheidentitymatchesE=[EMAIL],[DN],rewriteas[DN].
[email protected],CN=jdoe,DC=acme,DC=comto
pureDN,CN=jdoe,DC=acme,DC=com.Thisisanexamplerulethatcanbecreatedwhenidentityis
takenfromacertificatesubjectandActiveDirectoryisconfiguredtosearchuserbyDN.Thisrule...

Page 308

Identity Resolution Settings
Sometypeofidentitiesincludeadomainmarkup,suchasaprefixorasuffix.Forexample,inaNetBIOS
identitysuchasACME\jdoe,“ACME”isthedomainmarkupprefix,similarlyinaUPNidentitysuchas
[email protected],“acme.com”isthedomainmarkupsuffix.DomainprefixshouldmatchtotheNetBIOS
(NTLM)nameoftheActiveDirectorydomaininyourorganizationanddomainsuffixshouldmatchtothe
DNSnameofActiveDirectorydomainortothealternativeUPNsuffixinyourorganization.Forexample...

Page 309

tolookupfortheidentityinallthejoinedglobalcatalogs,whichmightnotbeverysecure.Thisoption
forcestheuserstousenameswithdomainmarkups.
•Onlysearchinthe“AuthenticationDomains”fromthejoinedforest—Thisoptionwillsearchfor
theidentityonlyinthedomainsintheforestofthejoinpointwhicharespecifiedintheauthentication
domainssection.ThisisthedefaultoptionandidenticaltoCiscoISE1.2behaviorforSAMaccount
names.
•Searchinallthe“AuthenticationDomains”sections—Thisoptionwillsearchfortheidentityinall...

Page 310

Theresultandstepsofthetestoperationaredisplayed.Thestepscanhelptoidentifythefailurereasonand
troubleshoot.
Delete Active Directory Configurations
YoushoulddeleteActiveDirectoryconfigurationsifyouarenotgoingtouseActiveDirectoryasanexternal
identitysource.DonotdeletetheconfigurationifyouwanttojoinanotherActiveDirectorydomain.Youcan
leavethedomaintowhichyouarecurrentlyjoinedandjoinanewdomain.
Before You Begin
EnsurethatyouhavelefttheActiveDirectorydomain.
Procedure
Step...
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