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Status Under review
Workspace Db2 for z/OS
Created by Guest
Created on Dec 11, 2024

SQL Tuning Services and full support of Security mechanism 18

We are about to finish the installation of SQL Tuning Services in our sandbox environment.

What we learnt last week from Xuqin Zhao at the IBM lab is that the product currently not fully support Security mechanism 18, especially for db2_authid_R - This user ID is used to access the Db2 for z/OS subsystem where the SQL Tuning Services repository database resides.

In the AT-TLS policy in Communication server we have set Client authentication = SAF check for incoming calls to SECPORT. That means that calls from the Liberty server to the repository database in Db2 must use Security mechanism 18 which is not supported right now by the product SQL Tuning Services.

As a workaround in the sandbox environment we use a userid with non-expiring password (Security mechanism 3, non-SSL) right now. This workaround will not be acceptable when installing the product in test/dev/prod environment.

Our proposed solution is that SQL Tuning Services should support Security mechanism 18 in the communication between Liberty and repository database.


Needed By Week