I just ran into this issue, but when setting up Caddy as a reverse proxy. I had to set APP_URL
and ASSET_URL
in /opt/librenms/.env to https://your.fqdn.com
and reload services. This solved the CSS part, but AJAX queries were still over HTTP. To resolve that, I set the X-FORWARDED-PROTO
header to https
, and it began to work properly.