[keycloak-user] Cannot get SPNEGO authentication working

Bruno Oliveira bruno at abstractj.org
Tue Sep 13 16:52:13 EDT 2016


Hi Timothy,

I found something related to your issue here[1]. There's also some old
discussion about it[2]. If that does not help,
please provide more details about your setup like: JDK, Keycloak
and Windows version.

[1] - http://stackoverflow.com/questions/2973355/defective-token-deteced-error-ntlm-not-kerberos-with-kerberos-spring-securit
[2] - https://issues.jboss.org/browse/KEYCLOAK-828

On 2016-09-13, Timothy I. McGinnis wrote:
> Hello,
>
> I am trying to set up SPNEGO authentication through Keycloak.  I have installed Keycloak on a windows server, configured a client as shown below and set up the realm in jboss.  But I consistently receive the error message GSSException: Defective token detected (Mechanism level: GSSHeader did not find the right tag).  I am using IE 11, and the url for the web app is https://gig-jboss-dev.ajga.com:8443/CBN
>
> [cid:image001.png at 01D20DA5.5995CC40]
> JBoss web app configuration in standalone.xml ======================================================
>
> <subsystem xmlns="urn:jboss:domain:keycloak:1.1">
>             <secure-deployment name="cbn-war-17.0.0.16-SNAPSHOT.war">
>                 <realm>master</realm>
>                 <resource>CBN</resource>
>                 <public-client>true</public-client>
>                 <realm-public-key>(key from keycloak)</realm-public-key>
>                 <auth-server-url>http://gig-msnet-dev.ajga.com:8080/auth</auth-server-url>
>                 <ssl-required>EXTERNAL</ssl-required>
>             </secure-deployment>
>         </subsystem>
>
> Log file from keycloak server ========================================================
>
> 2016-09-13 10:47:31,792 INFO  [stdout] (default task-19) Debug is  true storeKey true useTicketCache false useKeyTab true doNotPrompt true ticketCache is null isInitiator false KeyTab is c:\temp\keycloak.keytab refreshKrb5Config is false principal is HTTP/gig-msnet-dev.ajga.com at AJGA.COM tryFirstPass is false useFirstPass is false storePass is false clearPass is false
> 2016-09-13 10:47:31,792 INFO  [stdout] (default task-19) principal is HTTP/gig-msnet-dev.ajga.com at AJGA.COM
> 2016-09-13 10:47:31,792 INFO  [stdout] (default task-19) Will use keytab
> 2016-09-13 10:47:31,807 INFO  [stdout] (default task-19) Commit Succeeded
> 2016-09-13 10:47:31,807 INFO  [stdout] (default task-19)
> 2016-09-13 10:47:31,807 WARN  [org.keycloak.federation.kerberos.impl.SPNEGOAuthenticator] (default task-19) SPNEGO login failed: java.security.PrivilegedActionException: GSSException: Defective token detected (Mechanism level: GSSHeader did not find the right tag)
>                 at java.security.AccessController.doPrivileged(Native Method)
>                 at javax.security.auth.Subject.doAs(Subject.java:422)
>                 at org.keycloak.federation.kerberos.impl.SPNEGOAuthenticator.authenticate(SPNEGOAuthenticator.java:70)
>                 at org.keycloak.federation.kerberos.KerberosFederationProvider.validCredentials(KerberosFederationProvider.java:209)
>                 at org.keycloak.models.UserFederationManager.validCredentials(UserFederationManager.java:549)
>                 at org.keycloak.authentication.authenticators.browser.SpnegoAuthenticator.authenticate(SpnegoAuthenticator.java:89)
>                 at org.keycloak.authentication.DefaultAuthenticationFlow.processFlow(DefaultAuthenticationFlow.java:183)
>                 at org.keycloak.authentication.AuthenticationProcessor.authenticateOnly(AuthenticationProcessor.java:792)
>                 at org.keycloak.authentication.AuthenticationProcessor.authenticate(AuthenticationProcessor.java:667)
>                 at org.keycloak.protocol.AuthorizationEndpointBase.handleBrowserAuthenticationRequest(AuthorizationEndpointBase.java:139)
>                 at org.keycloak.protocol.oidc.endpoints.AuthorizationEndpoint.buildAuthorizationCodeAuthorizationResponse(AuthorizationEndpoint.java:341)
>                 at org.keycloak.protocol.oidc.endpoints.AuthorizationEndpoint.build(AuthorizationEndpoint.java:160)
>                 at sun.reflect.GeneratedMethodAccessor360.invoke(Unknown Source)
>                 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>                 at java.lang.reflect.Method.invoke(Method.java:483)
>                 at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:139)
>                 at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:295)
>                 at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:249)
>                 at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:138)
>                 at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:107)
>                 at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:133)
>                 at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:101)
>                 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:395)
>                 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:202)
>                 at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:221)
>                 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
>                 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
>                 at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
>                 at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
>                 at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
>                 at org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:88)
>                 at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
>                 at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
>                 at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
>                 at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
>                 at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
>                 at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
>                 at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>                 at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
>                 at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
>                 at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>                 at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
>                 at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
>                 at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
>                 at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
>                 at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
>                 at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
>                 at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>                 at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
>                 at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>                 at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>                 at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:285)
>                 at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:264)
>                 at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
>                 at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:175)
>                 at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
>                 at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:792)
>                 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>                 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>                 at java.lang.Thread.run(Thread.java:745)
> Caused by: GSSException: Defective token detected (Mechanism level: GSSHeader did not find the right tag)
>                 at sun.security.jgss.GSSHeader.<init>(GSSHeader.java:97)
>                 at sun.security.jgss.GSSContextImpl.acceptSecContext(GSSContextImpl.java:306)
>                 at sun.security.jgss.GSSContextImpl.acceptSecContext(GSSContextImpl.java:285)
>                 at org.keycloak.federation.kerberos.impl.SPNEGOAuthenticator.establishContext(SPNEGOAuthenticator.java:174)
>                 at org.keycloak.federation.kerberos.impl.SPNEGOAuthenticator$AcceptSecContext.run(SPNEGOAuthenticator.java:137)
>                 at org.keycloak.federation.kerberos.impl.SPNEGOAuthenticator$AcceptSecContext.run(SPNEGOAuthenticator.java:127)
>                 ... 60 more
>
> 2016-09-13 10:47:31,839 INFO  [stdout] (default task-19)                               [Krb5LoginModule]: Entering logout
> 2016-09-13 10:47:31,839 INFO  [stdout] (default task-19)                               [Krb5LoginModule]: logged out Subject
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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