MA-025
–
DGA 900 Operator Guide
–
Rev 2.0
12-Apr-19
Page 70 of 92
HTTP Server
HTTPS Server
Modbus RTU Slave
Modbus TCP Slave
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.
