SN-M-Series-720 and SN-M-Series-920
Enabling Secure Boot in the SNS firewall’s UEFI
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Connect the computer to the SNS firewall using the USB-A to USB-C cable.
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Open the terminal emulator and enter the serial port and baud rate (115200).
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Restart the SNS firewall and immediately press [Del] several times to stop the SNS firewall startup sequence.
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Go to the Security tab by using the arrow keys.
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Select Secure Boot and press [Enter].
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Change the status of the Secure Boot parameter to Enabled.
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Press [Esc] and go to the Save & Exit tab.
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Select Save Changes and Reset and press [Enter].
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In the Save & Reset window, select Yes then press [Enter].
Disabling Secure Boot in the SNS firewall’s UEFI
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Connect the computer to the SNS firewall using the USB-A to USB-C cable.
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Open the terminal emulator and enter the serial port and baud rate (115200).
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Restart the SNS firewall and immediately press [Del] several times to stop the SNS firewall's startup sequence.
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Go to the Security tab by using the arrow keys.
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Select Secure Boot and press [Enter].
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Change the status of the Secure Boot parameter to Disabled.
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Change the status of the Secure Boot Mode parameter to Custom.
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Press [Esc] and go to the Save & Exit tab.
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Select Save Changes and Reset and press [Enter].
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In the Save & Reset window, select Yes then press [Enter].