Unable to access services via URL

[timelordx]

Sites are accessible externally, but not on the internal network

This is typically because your router at the edge of your network doesn’t support NAT hairpinning: The usual solution is to run a DNS server inside of your LAN which resolves your domains to the LAN IP of your server for machines inside your network, and still resolves via public DNS to your WAN IP.

Cannot connect to application using duckdns

@TheRettom has already given you a great answer. Since you didn’t provide much detail about how your home network connects to the internet - specifically whether your Ubuntu server is also your router or if you have a separate SOHO router - I’ll assume the latter. The feature you’re looking for is called NAT Loopback, also known as Hairpin NAT or NAT Reflection. This allows devices inside your local network to access a service using the public IP (or a domain name resolving to it). Without NAT…

Using Caddy as a reverse proxy in a home network

If you want to run a service inside a Local Area Network (LAN) such as your home or office – and especially if you want to be able to access it from outside that network – Caddy can help you accomplish this quite easily. This guide will show you how. It assumes you’ve never done this before, but that you have some technical proficiency and are somewhat knowledgable about your own network. Do this at your own risk. There are several ways to make private services accessible from other n…