# Node-red-contrib-iiot-opcua with certificat

**URL:** <https://discourse.nodered.org/t/node-red-contrib-iiot-opcua-with-certificat/20721>\
**Category:** General\
**Created:** [22 January 2020 11:45 UTC](https://discourse.nodered.org/t/node-red-contrib-iiot-opcua-with-certificat/20721 "2020-01-22T11:45:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![oli.nodered](https://avatars.discourse-cdn.com/v4/letter/o/e9bcb4/32.png) [@oli.nodered](https://discourse.nodered.org/u/oli.nodered)\
**Post date:** [22 January 2020 11:45 UTC](https://discourse.nodered.org/t/node-red-contrib-iiot-opcua-with-certificat/20721/1 "2020-01-22T11:45:17Z")

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Bonjour

i use node-red-contrib-iiot-opcua with M262 PLC of Schneider and it works properly.  
Now i want and i need to use the secure mode with the certificat and i want to know where i must put the certifcat file in my node red server.  
Can you help me  
Merci