Security considerations
This chapter describes the security-related aspects of replacing JES3 with JES2. The focus will be on protecting JES-managed resources, rather than on giving JES access to the resources it needs.
z/OS JES2 Initialization and Tuning Guide, SA22-7532 and z/OS JES3 Initialization and Tuning Guide, SA22-7549 provide detailed information about securing the JES environment using both JES and RACF facilities.
We discuss any RACF entries required during a conversion from JES3 to JES2 and it assumes that the same RACF database will ...

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