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Status Not under consideration
Workspace z/OS Connect
Created by Guest
Created on Jan 28, 2020

RELATED IDEAS

z/OS Connect EE authorization interceptor process improvement

z/OS Connect EE's authorization interceptor process internally requires all RACF GROUPs associated with the RACF ID that may belong to either Global Reader Group, Invoke Group, Operator Group, Reader Group to carry unique USS GID for successful validation.

A RACF may get associated with any number of RACF GROUPS (now or in future) and there is a potential those RACF GROUPS may have duplicate USS GID.

This request is to see, what is causing z/OS Connect EE to mandate UNIQUE GID for all RACF GROUPs and eliminate this. As required RACF GROUPs used part of Global Reader/Invoke/Operator/Reader are always specified part of server.xml entries, Why can't a RACF be validated just against those group names irrespective of whether they have UNIQUE or DUPLICATE USS GID..

Idea priority Medium
  • Guest
    Reply
    |     Mar 13, 2020

    This requirement has been evaluated. This enhancement would encourage a behaviour that is not recommended:

    "Although the same GID can be assigned to multiple RACF groups, it is not recommended. If you assign the same GID to multiple groups, control at an individual group level is lost because the GID is used in z/OS UNIX security checks. RACF groups that have the same GID assignment are treated as a single group during z/OS UNIX security checks.
    You can enforce identity uniqueness when assigning UNIX identifiers. For more on controlling GID uniqueness, refer to Controlling the use of shared UNIX identities. A unique GID can be defined automatically using the AUTOGID operand, as described in Enabling automatic assignment of unique UNIX identities."

    From: https://www.ibm.com/support/knowledgecenter/SSLTBW_2.4.0/com.ibm.zos.v2r4.icha700/ussgid.htm

    As such it is not likely that this would be implemented in future zOS Connect EE releases, so correspondingly this requirement is being rejected. You have an opportunity to resubmit in twelve months time if you wish it to be considered then.

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