I have a wood pellet boiler that is connected via ethernet cable to my home router. I can access the boiler to perform various functions whilst on the local LAN but not externally. There is no way to password protect this page so I didn't want to forward the ports and make it available for everyone. The internal IP address of this is 192.168.1.194
To get around this I bought a raspberry pi and installed Apache on it. The IP address of this is 192.168.1.168. I created a simple password protected webpage with the link to the boiler IP address and port forwarded this. I can access the Apache web server when internally on the LAN and use the boiler control page, however I can't get the boiler control page to display when accessing the webssever from an external IP. I can access the webssever externally but when I click on the boiler link it tells me that it cannot be found. I can also successfully ping the boiler IP address from the raspberry pi. Is there something I am missing ?
