A.3 Secure Remote Operations
Select Settings > Communication services as shown in Figure A-1.
Note: This functionality is available only to ‘Operator’ and ‘Administrator’ users.
Figure A-1: Settings > Communication Services
The Communication Services page displays as shown in Figure A-2. All configuration
settings specified on this page apply to all interfaces (Ethernet, USB and GSM-GPRS
modem).
Figure A-2: Communication Services
Select the relevant slider button to enable/disable the relevant communication service. E.g.
Modbus-TCP, SSH (Secure Shell) and HTTPS — do not rely on the firewall settings.
To implement a custom security policy, upload a new certificate to replace the GE self-
signed certificate and enable HTTPS requests only.
In the Upload certificate field, click the Select file button, select the new certificate (PEM
file) and click Open.
Click the ‘Save’ button in the application header to apply the changes and then restart
the DGA 900.
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