Dell E45S003 Reference Manual - Page 19

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Table 23. System Security details (continued)

Option

Secure Boot

Secure Boot Policy

Secure Boot Mode

Secure Boot Policy Summary

Secure Boot Custom Policy

Settings

Creating a system and setup password

Prerequisites

Ensure that the password jumper is enabled. The password jumper enables or disables the system password and setup password

features. For more information, see the System board jumper settings section.

NOTE:

If the password jumper setting is disabled, the existing system password and setup password are deleted and you

need not provide the system password to boot the system.

Steps

1. To enter System Setup, press F2 immediately after turning on or rebooting your system.

2. On the System Setup Main Menu screen, click System BIOS > System Security.

3. On the System Security screen, verify that Password Status is set to Unlocked.

Description

environment and new UEFI boot entries are forced to be at the end of the current boot

order.

Enables Secure Boot, where the BIOS authenticates each pre-boot image by using the

certificates in the Secure Boot Policy. Secure Boot is set to Disabled by default.

When Secure Boot policy is set to Standard, the BIOS uses the system 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.

Configures how the BIOS uses the Secure Boot Policy Objects (PK, KEK, db, dbx).

If the current mode is set to Deployed Mode, the available options are User Mode and

Deployed Mode. If the current mode is set to User Mode, the available options are

User Mode, Audit Mode, and Deployed Mode.

Table 24. Secure Boot Mode

Options

Descriptions

User Mode

In User Mode, PK must be installed, and BIOS performs signature

verification on programmatic attempts to update policy objects.

The BIOS allows unauthenticated programmatic transitions between

modes.

Deployed

Deployed Mode is the most secure mode. In Deployed Mode, PK

Mode

must be installed and the BIOS performs signature verification on

programmatic attempts to update policy objects.

Deployed Mode restricts the programmatic mode transitions.

Audit Mode In Audit mode, PK is not present. The BIOS does not authenticate

programmatic updates to the policy objects, and transitions between

modes. The BIOS performs a signature verification on pre-boot images

and logs the results in the image Execution Information Table, but

executes the images whether they pass or fail verification.

Audit Mode is useful for programmatic determination of a working set

of policy objects.

Specifies the list of certificates and hashes that secure boot uses to authenticate

images.

Configures the Secure Boot Custom Policy. To enable this option, set the Secure Boot

Policy to Custom option.

Pre-operating system management applications