Dell D14U Manual de configuración y especificaciones - Página 28
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Table 23. Security (continued)
Option
Chassis Intrusion
Admin Setup Lockout
Master Password Lockout
SMM Security Mitigation
Secure boot options
Table 24. Secure Boot
Option
Secure Boot Enable
Secure Boot Mode
Expert key Management
28
System setup
Description
● Permanently Disabled
This field controls the chassis intrusion feature.
Choose any one of the options:
● Disabled (default)
● Enabled
● On-Silent
Allows you to prevent users from entering Setup when Admin password is set. This option is
not set by default.
Allows you to disable master password support. Hard Disk passwords need to be cleared
before the settings can be changed. This option is not set by default.
Allows you to enable or disable additional UEFI SMM Security Mitigation protections. This
option is not set by default.
Description
Allows you to enable or disable Secure Boot feature
● Secure Boot Enable
This option is not selected by default.
Allows you to modify the behavior of Secure Boot to allow evaluation or enforcement of
UEFI driver signatures.
● Deployed Mode (default)
● Audit Mode
Allows you to manipulate the security key databases only if the system is in Custom Mode.
The Enable Custom Mode option is disabled by default. The options are:
● PK (default)
● KEK
● db
● dbx
If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear.
The options are:
● Save to File- Saves the key to a user-selected file
● Replace from File- Replaces the current key with a key from a user-selected file
● Append from File- Adds a key to the current database from a user-selected file
● Delete- Deletes the selected key
● Reset All Keys- Resets to default setting
● Delete All Keys- Deletes all the keys
NOTE:
If you disable the Custom Mode, all the changes made will be erased and the
keys will restore to default settings.