For APPC applications in which the outbound TP passes a user ID on an allocate request for an inbound TP on MVS, APPC/MVS provides the following conversation security mechanisms:

• Establishing a TP security environment on MVS
• Controlling user access to LUs
• Controlling user access from LUs
• Controlling user access to TP profiles and side information
• Controlling the ability to collect API trace data for conversations
• Obtaining TP work attributes from RACF® user profiles
• Using persistent verification