Usermin is only accessible via ip_address:20000 but not hostname:20000 or domain:20000

[ID10T]

Not a lot of information to go on here.
What happens when you use the domain:20000?
Does it log anything?

Can only access via ip_address:10000 but not hostname:10000

SYSTEM INFORMATION OS type and version Ubuntu Linux 22.04.4 Webmin version 2.402 The hostname without port is setup in Apache as a virtual host, and resolves properly, and domain points to server. No idea where the specific config is for this, or how to test. Would DNS proxying at cloudflare be an issue? Hostname resolution order is files mdns4_minimal [NOTFOUND=return] dns Which I have never touched, and not sure if I should. I feel this was working at one point, but might h…