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What is the difference between level-30 security and level-40 security for AS/400?
Security level 40 provides operating system integrity. This means that internal operating system interfaces and objects (including database files) cannot be accessed or manipulated directly. This provides data as well as operating system integrity. At security level 30, you can easily masquerade as another user and some security and auditing checks can be bypassed. In other words, the security and integrity of your data cannot be guaranteed when running at security level 40. For more information and details on moving to security level 40, see Chapter 2 of the iSeries Security Reference manual. For general information on security levels, check out the
i5/OS Information Center
Dig Deeper on iSeries system and application security
Before changing password levels and upgrading operating systems on the AS/400, ensure the clients connecting to the NetServer do not need the old ...continue reading
Look in the audit journal (QAUDJRN) on the AS/400 for an authority failure message with the name of the library as the object name. Use the ...continue reading
The UPPWEI field corresponds to the password expiration interval field, and its values "0" and "-1" represent the *SYSVAL and *NOXMAX commands.continue reading
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