Experimental Physics and
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| <== Date ==> | <== Thread ==> |
|---|
| Subject: | Re: How do I setEPICS opc UA security Settings? |
| From: | Ralph Lange via Tech-talk <tech-talk at aps.anl.gov> |
| To: | 谭映雷 <tanyl at ihep.ac.cn> |
| Cc: | EPICS Tech Talk <tech-talk at aps.anl.gov> |
| Date: | Wed, 29 Mar 2023 15:58:07 +0200 |
Hello Yinglei Tan,
On Wed, 29 Mar 2023 at 14:49, 谭映雷 via Tech-talk <tech-talk at aps.anl.gov> wrote:
How do I setEPICS opc UA security Settings?
Hi:
How do I setEPICS opc UA security Settings?
When I set up the EPICS OPC UA client, the server did not receive the reject (.der) file, but I did receive certificates from the server.
[...]
What should I do to create a client certificate? Should the client certificate be copied to the server?
Any suggestions/solution approaches are welcome.
In the OPC UA Device Support sources, you will find a detailed README about how to configure OPC UA Security.
(On-line version at https://github.com/epics-modules/opcua/blob/master/Using-Security.md)
Setting up X.509-based security is not simple. It can be very frustrating, as any small mistake will make the connection fail, often without clear error messages.
I would suggest that you start with getting a good understanding of how these certificates and the PKI infrastructure work.
Once you know what is required, the information in the README will be hopefully enough to get you going. (It obviously includes descriptions of the tools and commands necessary to create client certificates.)
Feel free to directly contact me when you get stuck again. This topic might be too specialized to be discussed on tech-talk. I will update the README with any additional information that should be added.
Cheers,
~Ralph
~Ralph
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