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Status Not under consideration
Workspace z/OS
Categories RACF
Created by Guest
Created on Feb 22, 2016

RACF panel Display Sys Options results in Open for Output rather than input

Due to Audit requirements, we monitor datasets that are deemed critical to determine who has accessed those critical datasets and whether it is an acceptable/authorized access.

We have noticed that our reports have been reporting access to the 'SYS1.RACF.*' and 'SYS1.RACF.BACKUP.*' datasets.

To summarize, as per the investigator:

I was able to recreate your situation and capture a GTF trace. The RACF database is a sequential data set, and as such we check change controls at OPEN time and record changes at CLOSE time.

Despite the fact that you are only trying to display the system options, the OPEN specifies output. When we see an OPEN for output, we perform controls checks, and when a data set that was OPENed for output is CLOSEd, we track changes.

> The only way to know whether the user made any changes while the data set was opened for output would be to intercept each individual I/O operation to see whether it was an output operation. We do not do that, because the overhead would be unacceptable.

To make a long story short, RACF is issuing an output OPEN even though it is not making any changes.

Idea priority Medium
  • Guest
    Reply
    |
    Mar 13, 2024
    This item is a valid requirement but unlikely to be given high enough priority to be placed into the product plan. If this requirement is high value, please re-open it, or open a new requirement.
  • Guest
    Reply
    |
    Feb 23, 2016

    Creating a new RFE based on Community RFE #84305 in product z/OS.