System Authorization Facility (SAF)

The System Authorization Facility (SAF) provides a system interface that conditionally directs control to the Resource Access Control Facility (RACF®), if RACF is present, and/or a user-supplied processing routine when receiving a request from a resource manager. Another external security product may be substituted for RACF. SAF does not require any other program product as a prerequisite, but overall system security functions are greatly enhanced and complemented by the concurrent use of an external security product. The key element in SAF is the MVS™ router.