Dell PowerEdge R430 Owner's Manual page 51

Option Description
Provides varying degrees of securing UEFI variables. When set to Standard (the default), UEFI variables
UEFI Variable
are accessible in the operating system per the UEFI specification. When set to Controlled, selected UEFI
Access
variables are protected in the environment and new UEFI boot entries are forced to be at the end of the
current boot order.
When Secure Boot policy is set to Standard, the BIOS uses the system manufacturer's key and
Secure Boot
certificates to authenticate pre-boot images. When Secure Boot policy is set to Custom, the BIOS uses
Policy
the user-defined key and certificates. Secure Boot policy is set to Standard by default.
Specifies the list of certificates and hashes that secure boot uses to authenticate images.
Secure Boot
Policy Summary
Related references
System Security on page 49
Related tasks
Viewing System Security
Secure Boot Custom Policy Settings
Secure Boot Custom Policy Settings is displayed only when Secure Boot Policy is set to Custom.
Viewing Secure Boot Custom Policy Settings
To view the Secure Boot Custom Policy Settings screen, perform the following steps:
Steps
1. Turn on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
NOTE:
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click System Security.
5. On the System Security screen, click Secure Boot Custom Policy Settings.
Secure Boot Custom Policy Settings details
The Secure Boot Custom Policy Settings screen details are explained as follows:
Option Description
Imports, exports, deletes, or restores the platform key (PK).
Platform Key
Enables you to import, export, delete, or restore entries in the Key Exchange Key (KEK) Database.
Key Exchange
Key Database
Imports, exports, deletes, or restores entries in the Authorized Signature Database (db).
Authorized
Signature
Database
Imports, exports, deletes, or restores entries in the Forbidden Signature Database (dbx).
Forbidden
Signature
Database
on page 49
Pre-operating system management applications 51