Sets the level of security for your system. (QSECURITY)
Security level, also known as QSECURITY, is a member of the security category of i5/OS™ system values. You can use this system value to set the level of security for your system. To learn more, keep reading.
| Quick reference | |
|---|---|
| Location | In iSeries™ Navigator, select your system, |
| Special authority | All object (*ALLOBJ) and security administrator (*SECADM) |
| Default value | Protect from undocumented system interfaces (40) |
| Changes take effect | At the next restart of the system |
| Lockable | Yes Lock function of security-related system values (Click for details) |
What can I do with this system value?
You can specify the level of security for your system. The following are possible options:
- No passwords are needed and users have authority to all resources
(10)
The system does not require a password to sign on.
The user has access to all system resources.
Security level 10 is not available unless your system is already running at this level.
If you change from security level 10 to 20, 30, 40 or 50, you will not be able to change back
to level 10. - Passwords are required and users have authority to all resources
(20)
The system will require a user name and password to sign on.
The user has access to all system resources.
Only a security officer or someone with security administrator (*SECADM) authority can
create user profiles. - Passwords are required and users' access is based on their
authority (30)
All requirements of security level 20 are met.
The user must have the specific authority required to access all system resources.
Only user profiles created with security officer (*SECOFR) security class are given all
object (*ALLOBJ) authority automatically. - Protect from undocumented system interfaces (40)
All requirements of security level 30 are met.
Programs fail if they try to access objects through interfaces that are not supported.
If a job specifies a user profile, users must have the use authority attribute to the profile in
addition to the use authority attribute to the job they want to use. - Enhance protection of system interfaces (50)
All requirements of security level 40 are met.
Programs fail if they try to pass unsupported parameter values to supported interfaces or if they
try to access objects through interfaces that are not supported.
Where can I get more information about this system value?
To learn more, go to the security system values overview topic. If you are looking for a specific system value or category of system values, try using the i5/OS system value finder.