i have running ACME (LE certificates) and HA proxy on my PFSense to reach several internal servers on port 443.
This all works so far. I call from external:
I land on the UCS on which Nextcloud is running. On the UCS side. I call:
at the time the browser (Firefox) shows the correct certificate (Trusted) but on the NextCloud page I see:
and I can’t sign up. If I call the server directly from inside:
I get the certificate warning (self-signed) but I can login. What can be the reason for this?