All of the information and techniques described in this topic are for use primarily by IBM® service personnel in determining the cause of a System SSL problem. If you encounter a problem and call the IBM Support Center, you might be asked to obtain trace information or enable one or more of the diagnostic messages described here.

Any environment variables described in this topic are usually set from the UNIX System Services export shell command. For usage information about this command, see the z/OS UNIX System Services Command Reference. For information about setting environment variables outside of the shell, see z/OS XL C/C++ Programming Guide and the z/OS Language Environment Programming Guide.

The facilities described below are not intended for use in a production environment and are for diagnostic purposes only.