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MathieuRA

@acebmxer
The first configuration file you show exposes XO5 by default and exposes XO6 on the v6 endpoint
The second configuration file doesn't work because you expose XO5 on the v6 endpoint, but your proxies still point to v5 (changing your proxies to /v6/api, /v6/api/updater and /v6/rest should work, but it seems weird to expose XO5 on a v6 endpoint)
The original config exposes XO5 on v5, XO6 on v6 and /

MathieuRA

@Kptainflintt Please provide us the XO-server log that concerns the connection error, authentication is supposed to work as before.

MathieuRA

@probain Thanks for your test

@acebmxer Can you try with the original config please?

MathieuRA

@probain branch mra-fix-secure-port

MathieuRA

@probain I will prepare a branch for a potential fix, so you can still use the 8443 port

MathieuRA

@probain If you can, it will help a lot. Thanks

MathieuRA

@probain

Web server listening on https://[::]:8443

Well, I may have an idea about your issue.
The code is looking for the port 443 to know if he should use secure protocol ('wss:' / 'https:')
Is your second lab also in https on the 8443 port?

MathieuRA

@probain That's what I was looking for.

It's strange you are saying you receive an error: ("Cannot get /") because logs show / is mounted and exposes XO6.

Dec 16 16:54:04 xo xo-server[50694]: 2025-12-16T15:54:04.452Z xo:main INFO Setting up / → /opt/xen-orchestra/@xen-orchestra/web/dist

Even when I did the same "fixes" that helped my second lab.

The only difference with your second lab is that you use HAProxy?
Both are listening on IPv6?

MathieuRA

@probain Can you provide me with the logs from xo-server at its launch?

MathieuRA

@probain Do you have any xo-server logs?

can you fetch /rest/v0/gui-routes endpoint?

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