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Status Future consideration
Workspace IBM i
Categories Security
Created by Guest
Created on Sep 29, 2025

RELATED IDEAS

Allow the default value of function QIBM_RUN_UNDER_USER_NO_AUTH to be set to *DENIED (it is currently not changable)

Function QIBM_RUN_UNDER_USER_NO_AUTH is very efficient to prevent illegitimate impersonations. Its added value goes far beyond the protection of *TOTP users.
The default value is *ALLOWED, which is understandable.

The fact that we can’t change the default to *DENIED is less understandable.

An audit trail is available through the “User action auditing” *AUTWARN so the legitimate impersonations can be captured, analyzed and allowed before the enforcement (this is great!). Allowing a System Administrator to change the default to *DENIED will be under the responsibility of the customer, as many other configuration options are. I am convinced it will greatly improve the IBM i protection if we can set the default value to *DENIED.

I do not feel that workarounds like manually adding all users or groups to QIBM_RUN_UNDER_USER_NO_AUTH with *DISABLED offer enough security, as on a busy system, new users are often created and their default value would still be *ALLOWED. Only having these new users created with impersonation set to *DENIED would offer full protection. 

Idea priority Medium
  • Guest
    Nov 18, 2025
    IBM will use this Idea as input to planning, but no commitment is made or implied. This Idea will be updated in the future if IBM implements it. IBM will use votes and comments from others in the community to help prioritize this Idea.

    IBM Power Systems Development
    Reply

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