In this window, the user can define whether the Lumia product's OPC server should provide a security policy for access and the required security level.
Configurable end-to-end security levels ensure the encryption and integrity of every single message.
Once the security policy is enabled, the server validates the client's certificate and vice versa.
Security mode
None
Connection without certificates is allowed
Sign
The OPC UA client must provide its own certificate. Communication via signed messages is permitted.
Sign and Encrypt
The OPC UA client must provide its own certificate. Communication via signed and encrypted messages is permitted.
Security Policy
Basic256Sha256
Encryption level accepted by the server
Aes128Sha256RsaOaep
Encryption level accepted by the server
Aes128Sha256RsaPss
Encryption level accepted by the server
Parameters
Accept certificates automatically
All certificates provided by an OPC client are accepted
