Dell DR4300 Owner's Manual page 41

Option Description
UEFI Variable Provides varying degrees of securing UEFI variables. When set to Standard (the
Access default), UEFI variables are accessible in the operating system per the UEFI
specification. When set to Controlled, selected UEFI variables are protected in the
environment and new UEFI boot entries are forced to be at the end of the current
boot order.
Secure Boot Enables Secure Boot, where the BIOS authenticates each pre-boot image by using
the certificates in the Secure Boot Policy. Secure Boot is disabled by default.
Secure Boot When Secure Boot policy is set to Standard, the BIOS uses the system
Policy manufacturer's key and certificates to authenticate pre-boot images. When Secure
Boot policy is set to Custom, the BIOS uses the user-defined key and certificates.
Secure Boot policy is set to Standard by default.
Secure Boot Specifies the list of certificates and hashes that secure boot uses to authenticate
Policy Summary images.
Related Links
System Security
Viewing System Security
GUID-A494ECC4-611F-47BD-B842-5A29B1B7991D
Secure Boot Custom Policy Settings
Secure Boot Custom Policy Settings is displayed only when Secure Boot Policy is set to Custom.
Related Links
Viewing Secure Boot Custom Policy Settings
Secure Boot Custom Policy Settings details
GUID-B37E62BD-932F-41FA-BEAE-5D59CED35342
Viewing Secure Boot Custom Policy Settings
To view the Secure Boot Custom Policy Settings screen, perform the following steps:
1. Turn on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE: If your operating system begins to load before you press F2, wait for the system to finish
booting, and then 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.
GUID-5A27810F-BDB8-4899-AED3-D4EF4EEE2301
Secure Boot Custom Policy Settings details
The Secure Boot Custom Policy Settings screen details are explained as follows:
Option Description
Platform Key Imports, exports, deletes, or restores the platform key (PK).
Key Exchange Key Enables you to import, export, delete, or restore entries in the Key Exchange Key
Database (KEK) Database.
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