What is the most secure method of Remote Access to my PLC?



The most secure method is to dial into a Remote Access Server (RAS), that requires authentication with Dial-Back access. This assures the once authentication has been validated, that a predefined telephone number will be dialed back for a connection.

Legacy KB System (APS) Data: RESL173799 V1.0, Originally authored by on , Last Edited by on
Related ranges: Modicon Quantum