SN-M-Series-720 and SN-M-Series-920

Enabling Secure Boot in the SNS firewall’s UEFI

1. Connect the computer to the SNS firewall using the USB-A to USB-C cable.

2. Open the terminal emulator and enter the serial port and baud rate (115200).

3. Start the SNS firewall and immediately press [Del] several times to stop the SNS firewall startup sequence.

4. Go to the Security tab by using the arrow keys.

   

5. Select Secure Boot and press [Enter].

6. Change the status of the Secure Boot parameter to Enabled.

   

7. Press [Esc] and go to the Save & Exit tab.

8. Select Save Changes and Reset and press [Enter].

9. In the Save & Reset window, select Yes then press [Enter].

   

Disabling Secure Boot in the SNS firewall’s UEFI

1. Connect the computer to the SNS firewall using the USB-A to USB-C cable.

2. Open the terminal emulator and enter the serial port and baud rate (115200).

3. Start the SNS firewall and immediately press [Del] several times to stop the SNS firewall's startup sequence.

4. Go to the Security tab by using the arrow keys.

   

5. Select Secure Boot and press [Enter].

6. Change the status of the Secure Boot parameter to Disabled.

7. Change the status of the Secure Boot Mode parameter to Custom.

   

8. Press [Esc] and go to the Save & Exit tab.

9. Select Save Changes and Reset and press [Enter].

10. In the Save & Reset window, select Yes then press [Enter].