Remoting client from older WildFly can't authenticate against latest WildFly Core --------------------------------------------------------------------------------- Key: WFCORE-2315 URL: https://issues.jboss.org/browse/WFCORE-2315 Project: WildFly Core Issue Type: Bug Components: Remoting, Security Affects Versions: 3.0.0.Beta3 Reporter: Darran Lofthouse Assignee: Darran Lofthouse Priority: Blocker Labels: authentication, eap71_alpha, regression, remoting, sasl Using dependencies from EAP 7.0.0, clients are unable to connect to EAP 7.1.0.DR8 using DIGEST-MD5 mechanism: {noformat} java.lang.RuntimeException: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed: DIGEST-MD5: Server rejected authentication {noformat} JBOSS-LOCAL-USER method works. I'm talking about 7.1.0.DR8 with legacy security realms. We are supposed to maintain backward compatibility with older clients but in this case older client won't work against newer server.