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196 Chapter6
The Boot Console Interface
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 Interface. To get into the Boot Console Interface, follow the
procedure in the section “Accessing the Boot Console Interface” in this
chapter. Once the Main Menu is present, you can type the following
command at the prompt and press Enter:
Main Menu: Enter command > configuration
From the Configuration Menu, you can execute the secure command
and preform the subsequent tasks in this section.
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 the boot disk to
interrupt the boot-up sequence and force the prompt to the Boot Console
Interface. Next, type the following command at the prompt and press
Enter:
Configuration Menu: Enter command > secure off