# OPC UA Server security not working

**URL:** <https://discourse.nodered.org/t/opc-ua-server-security-not-working/72764>\
**Category:** General\
**Tags:** opcua\
**Created:** [27 December 2022 11:17 UTC](https://discourse.nodered.org/t/opc-ua-server-security-not-working/72764 "2022-12-27T11:17:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vali](https://avatars.discourse-cdn.com/v4/letter/v/839c29/32.png) [@vali](https://discourse.nodered.org/u/vali)\
**Post date:** [27 December 2022 11:17 UTC](https://discourse.nodered.org/t/opc-ua-server-security-not-working/72764/1 "2022-12-27T11:17:19Z")

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Hello,

I am using the OPC UA Server (Compact Server) and I have some issues with the security part. How can I remove the Security mode "None" ? Also, I can connect with any user and password.

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/7/5/753c874de2d33432c9dba5fa87fd523f21aef2cb.png)

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [25 February 2023 11:17 UTC](https://discourse.nodered.org/t/opc-ua-server-security-not-working/72764/2 "2023-02-25T11:17:40Z")

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