7 (38)
For security reasons block communications ports that are not used.
The firewall improves the security of the device by analyzing network traffic and blocking
unallowed traffic. The firewall has a blocking policy: outgoing connections are allowed while
incoming connections are blocked except if a rule allows this specific connection.
Dynamic rules are created by the firewall for outgoing connections. Static rules allow access to a
specific service on the device from the network. For more information about configuring the
firewall see
WEB PLC Online Help – Settings – Settings – Network - Firewall
.
2.2.7
Firmware Updates
HMS recommends to install always the latest firmware version to maintain device security.
The firmware is constantly improved and expanded. Firmware updates are encrypted and
digitally signed by HMS to ensure the authenticity of the firmware version. For more information
about updating the firmware see
2.2.8
Event Log
The event log is cleared when the device is restarted and new events may overwrite older
events once the ring buffer is completely filled. The events that are stored in the event
log can be downloaded as csv file.
The event log is available in the WEB-PLC and includes security events like failed login attempts
with timestamp, message and event type. For more information see
.
2.2.9
Disposal
Make sure, that all sensitive data is removed from the device before decommissioning.
Follow the guidelines for secure, safe, and sustainable disposal of devices after use (see
Decommissioning and Disposal, p. 33
2.3
Intended Use
The SG-basic is used to connect Modbus devices and energy communication systems with each
other and to SCADA systems or to cloud systems. The device is intended for installation on
standard DIN rail inside industrial cabinets or on DIN rail distribution boards inside building
automation boards.
3
Scope of Delivery
Included in the scope of delivery:
•
SG-basic device
SG-basic User Manual
4.01.0401.20001 1.1 en-US
