# OPCUA secure zenon

**URL:** <https://forum.inductiveautomation.com/t/opcua-secure-zenon/102309>\
**Category:** General Discussion\
**Tags:** opcua\
**Created:** [February 13, 2025, 1:25pm UTC](https://forum.inductiveautomation.com/t/opcua-secure-zenon/102309 "2025-02-13T13:25:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vijurocky](https://avatars.discourse-cdn.com/v4/letter/v/a6a055/32.png) [@vijurocky](https://forum.inductiveautomation.com/u/vijurocky)\
**Post date:** [February 13, 2025, 1:25pm UTC](https://forum.inductiveautomation.com/t/opcua-secure-zenon/102309/1 "2025-02-13T13:25:29Z")

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Hi,

Trying to establish connection over Secure OPC but unable to establish connection.  
Need to understand what's happening and why the connection is closing.

Wireshark packets attached

[OPCUA.pcapng](https://forum.inductiveautomation.com/uploads/short-url/ontHhH4Lw8SIwU1TbCiYyK0MJnr.pcapng) (130.5 KB)

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<div class="post-metadata">

**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [February 13, 2025, 1:32pm UTC](https://forum.inductiveautomation.com/t/opcua-secure-zenon/102309/2 "2025-02-13T13:32:01Z")

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It looks like you're trying to connect an external OPC UA Client to Ignition's OPC UA server, is that right?

What error are you seeing in the Ignition logs?