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Status Future consideration
Workspace IBM i
Categories Security
Created by Guest
Created on Sep 6, 2021

IBM i Kerberos Authentication (SSSD Native Integration)

The existing IBM i SSO support provided by NAS & EIM only works with applications that have been Kerberized. Such as ACS or IBM i Access.

To extend the reach & build on the features already provided by NAS & EIM an enhancement is required for IBM i to pass authentication requests to a remote, trusted Kerberos server.

Equivalent functionality is available in Linux using the System Security Services Daemon (SSSD).

This enhancement will enable SSO support for any existing IBM i application that uses an IBM i user profile & password without requiring changes to the application.

I acknowledge this is not true SSO but the next best thing – same-sign-on vs single-sign-on.


Use Case:

For a client-server or web application running on the IBM i where users access the application using a IBM i user profile & password. When the user is prompted & enters their username & password combination, the IBM i looks up the EIM associations & passes the authentication request to the Microsoft AD Kerberos server set-up in Network Authentication Services. The Kerberos authentication server authenticates the user password combination & the user gains access to the application (provided the password is correct).

No application changes are required & the user has fewer passwords to manage.


Idea priority High
  • Guest
    Nov 2, 2021

    IBM will use this request as input to planning but no commitment is made or implied. This request 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 request.

  • Guest
    Oct 14, 2021

    The CEAC has reviewed this requirement and recommends that IBM view this as a MEDIUM priority requirement that should be addressed.

    Background: The COMMON Europe Advisory Council (CEAC) members have a broad range of experience in working with small and medium-sized IBM i customers. CEAC has a crucial role in working with IBM i development to help assess the value and impact of individual RFEs on the broader IBM i community and has therefore reviewed your RFE.

    To find out how CEAC help to shape the future of IBM i, see CEAC @ ibm.biz/BdYSYj and the article "The Five Hottest IBM i RFEs Of The Quarter" at ibm.biz/BdYSZT

    Therese Eaton – CEAC Program Manager, IBM

  • Guest
    Sep 22, 2021

    IBM has received the requirement and is evaluating it. IBM will provide a response after evaluation is complete.

  • Guest
    Sep 21, 2021

    The CAAC has reviewed this requirement and recommends that IBM view this as a medium priority requirement that should be addressed. Although folks can get around this, it is time-consuming and not straightforward, so this is one of the more valuable usability enhancements to provide...

    Background: The COMMON Americas Advisory Council (CAAC) members have a broad range of experience in working with small and medium-sized IBM i customers. CAAC has a key role in working with IBM i development to help assess the value and impact of individual RFEs on the broader IBM i community, and has therefore reviewed your RFE.

    For more information about CAAC, see www.common.org/caac

    Nancy Uthke-Schmucki - CAAC Program Manager

  • Guest
    Sep 8, 2021

    We need this functionality for android tablets using ACS Mobile.