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Chapter 6 179
Boot Console Handler
Displaying and Setting the Security Mode
Displaying and Setting the Security Mode
The secure flag is a variable stored in non-volatile memory. (Non-volatile memory retains
its contents even after power is turned off.) If you reset this flag to a new value, the change
takes effect the next time you reboot the computer.
When the secure flag is set to on, auto boot and auto search are enabled and cannot be
stopped. The system boots from the default boot paths regardless of user intervention.
Note that the secure command must be executed from within the Boot Console Handler.
For information, reference the section “Accessing the Boot Console Handler” on page 158.
Once the Main Menu is present, type the following command at the prompt and press
Enter:
Main Menu: Enter command> configuration
To display the current setting for the secure flag, type the following command at the
prompt and press
Enter:
Configuration Menu: Enter command> secure
To set the secure flag on, type the following command at the prompt and press
Enter:
Configuration Menu: Enter command> secure on
To set the secure flag off, you need to disconnect all possible boot devices to interrupt the
boot-up sequence and force the prompt to the Boot Console Handler. Next, type the
following command at the prompt and press
Enter:
Configuration Menu: Enter command> secure off