Hi David08,
the settings in the screenshots work for me, you can select eg. "AES128_Sha256_RsaOaep" and "self-signed certificate".
Also other settings should work, plaease see other screenshot.
You need to trust the certificate in the ctrlX CORE where the server is running. Settings --> Certificates&Keys --> OPC UA Server
If you want to use your own certificates on client side you can store them via the web interface in Settings --> Certificates&Keys --> Node-RED .
Access from Node-RED is with this path possible:
/var/snap/ctrlx-node-red/common/package-certificates/ctrlx-node-red/node-RED/own/certs/YOURcert.crt
/var/snap/ctrlx-node-red/common/package-certificates/ctrlx-node-red/node-RED/own/private/YOURKey.pem
/var/snap/ctrlx-node-red/common/package-certificates/ctrlx-node-red/node-RED/ca/YOURCAcert.crt
Alternatively you could use the ctrlX AUTOMATION Nodes to access the remote datalayer.
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