How to Use Nginx Proxy Manager + Pi-hole for HTTPS Internal Services Behind an ISP Modem

If you’re stuck with the awful modem/router your ISP gave you and thought that meant you were doomed to ugly local IPs, weird ports, and browser certificate warnings forever… good news: you are absolutely not stuck.

You can use Nginx Proxy Manager Pi-hole HTTPS internal services with a totally basic ISP router and still get clean, real HTTPS URLs like: