Frequently Asked Question
Is Modbus TCP a secure / encrypted protocol?
Last Updated 10 months ago
No, Modbus TCP, as used by Semca, is not an encrypted protocol. It also has no authentication methods. Use should take the necessary physical and technical measures to secure the communications between Semca and your devices.
A non-extensive list of examples of such measures include:
A non-extensive list of examples of such measures include:
- Physical separated network
- Usage of VLAN's
- Firewalls
- MAC-address filtering