SN1100 and SN3100

Enabling Secure Boot in the SNS firewall’s UEFI

  1. Connect the computer to the SNS firewall using the RJ45 to RS232 serial cable.

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

  3. Restart 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. Select Secure Boot again and press [Enter].

  7. Select Enabled and press [Enter].

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

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

  3. 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 RJ45 to RS232 serial cable.

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

  3. Restart 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. Select Secure Boot again and press [Enter].

  7. Select Disabled and press [Enter].

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

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

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