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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Dear all,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>at the RWTH Aachen University we have 2 IdP 3 Clusters: One behind a Forefront Threat Management Gateway (TMG) instance and one behind a BIG-IP f5 instance (for testing). Both clusters store their sessions and the user consent data in an MariaDB cluster. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Now we are trying to get the backchannel (the artifact resolution service) working. We have changed the storage service for this service to mamcached (idp.replayCache.StorageService = shibboleth.MemcachedStorageService and idp.artifact.StorageService = shibboleth.MemcachedStorageService), but the artifact resolution doesn’t work.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>In The SP Log:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>ERROR OpenSAML.MessageDecoder.SAML2Artifact [2]: ArtifactResponse message did not contain a protocol message<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>In the IdP Server 1 Log:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>WARN [org.opensaml.saml.common.binding.SAMLBindingSupport:93] - IP:<IPv6> | Relay state exceeds 80 bytes: https://<SP URL>/7762616E6D656C64756E672E6C6F67696E52656469726563743F7055726C3D2670496E4672616D653D4F50454E5F44455441494C<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US>INFO [Shibboleth-Audit.SSO:241] - IP:<Client IPv6> |20170405T104725Z|urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect|_4d79a56259e3d339db7710435337657e|<SP URL>|http://shibboleth.net/ns/profiles/saml2/sso/browser|https://login-test.rz.rwth-aachen.de/shibboleth|urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact|_38dc212b6dbb8e44d917bf728fde5074|gi201606|urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport|rwthSystemIDs,transientId|AAdzZWNyZXQyvoaP8Mg7DkhPg0f4481+FBodfSGROucK9e/5Lh96qePsOuLPqlPdxsYruSQBqZraEjzfFNCyD4btocyThj6sjKT9AXYYrWUlhtO0Xmkt60/vXIxA+ABRNnPst9hjbwYGImhZgBVerM9bF7KeMbhDzU+T|_4618380528fdab6be8d9f0063b618ad6|<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>In the IdP Server 2 Log:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>WARN [net.shibboleth.idp.profile.impl.WebFlowMessageHandlerAdaptor:202] - IP:<IP of SP> | Profile Action WebFlowMessageHandlerAdaptor: Exception handling message org.opensaml.messaging.handler.MessageHandlerException: Message context was<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>not authenticated<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> at<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>org.opensaml.messaging.handler.impl.CheckMandatoryAuthentication.doInvoke(CheckMandatoryAuthentication.java:70)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>WARN [org.opensaml.profile.action.impl.LogEvent:105] - IP:<IP of SP> | A non-proceed event occurred while processing the request: MessageAuthenticationError<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>INFO [Shibboleth-Audit.ArtifactResolution:241] - IP:<IP of SP> |20170405T104726Z|urn:oasis:names:tc:SAML:2.0:bindings:SOAP|_d82ce3e0c767a83c73e77f02d3e20eea|<SP>|http://shibboleth.net/ns/profiles/saml2/query/artifact|https://login-test.rz.rwth-aachen.de/shibboleth|urn:oasis:names:tc:SAML:2.0:bindings:SOAP|_d31fd73d97ae23aa684b7b607a48eabd||||||<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Is this an issue with our backchannel configuration? Or maybe with the SSL/TLS termination at the loadbalancer?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>--<o:p></o:p></span></p><p class=MsoNormal>Stephan Krinetzki<o:p></o:p></p><p class=MsoNormal>Fachinformatiker<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>IT Center<o:p></o:p></p><p class=MsoNormal>Abteilung: Systeme und Betrieb<o:p></o:p></p><p class=MsoNormal>RWTH Aachen University<o:p></o:p></p><p class=MsoNormal>Seffenter Weg 23<o:p></o:p></p><p class=MsoNormal>52074 Aachen<o:p></o:p></p><p class=MsoNormal>Tel: +49 241 80-24866<o:p></o:p></p><p class=MsoNormal>Fax: +49 241 80-22134<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>