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|Oracle Solaris Administration: Security Services Oracle Solaris 11 Information Library|
You can protect the physical system by requiring a password to gain access to the hardware settings. You can also protect the system by preventing a user from using the abort sequence to leave the windowing system.
To protect the BIOS, consult the vendor documentation.
Before You Begin
For more information, see How to Obtain Administrative Rights.
# eeprom security-mode=command Changing PROM password: New password: <Type password> Retype new password: <Retype password>
Choose the value command or full. For more details, see the eeprom(1M) man page.
If, when you type the preceding command, you are not prompted for a PROM password, the system already has a PROM password.
# eeprom security-password= Press Return Changing PROM password: New password: <Type password> Retype new password: <Retype password>
The new PROM security mode and password are in effect immediately. However, they are most likely to be noticed at the next boot.
Caution - Do not forget the PROM password. The hardware is unusable without this password.
Note - Some server systems have a key switch. When the key switch is set in the secure position, the switch overrides the software keyboard abort settings. So, any changes that you make with the following procedure might not be implemented.
Before You Begin
You must be in the root role.
Comment out the enable line in the /etc/default/kbd file. Then, add a disable line:
# cat /etc/default/kbd … # KEYBOARD_ABORT affects the default behavior of the keyboard abort # sequence, see kbd(1) for details. The default value is "enable". # The optional value is "disable". Any other value is ignored. … #KEYBOARD_ABORT=enable KEYBOARD_ABORT=disable
# kbd -i