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Description of problem: While using GSSAPI mechanism, the server_start() method ALWAYS fails when cyrus-sasl uses GSSAPI with krb5-workstation v1.6.1 36.el5_5.6. Installing krb5-workstation v1.8.2 3.7 (RHEL 6 version) solves the problem. The problem is in the linkage between libgssapi of cyrus-sasl and libgssapi of krb5. This problem doesn't exist on RHEL 4 nor RHEL 6, RHEL 5 is the only version impacted. Version-Release number of selected component (if applicable): cyrus-sasl 2.1.22 5.el5_4.3 (both i386 and x86_64) krb5-workstation 1.6.1 36.el5_5.6 How reproducible: Just use the sasl2-sample-client and sasl2-sample-server to discover the bug: no GSSAPI authentication is possible on a sasl2-sample-server running under RHEL 5. Steps to Reproduce: 1. Install a Kerberos keytab for principal host/test.redhat.com for instance, and create a client principal test. 2. On server, launch "sasl2-sample-server -p 12345 -s host" 3. On client, identify youself to Kerberos server with kinit test 4. On client, launch "sasl2-sample-client -p 12345 -s host -m GSSAPI test.redhat.com" 5. Enter "test" when client requests an authorization id. Actual results: Authentication failed. No GSSAPI authentication is possible with this version of krb5-workstation. Expected results: Successful Authentication. Additional info: This bug will also be submitted under krb5-workstation software. Cheers R.
please contact the RH support at http://www.redhat.com/support/