That error isn't helpful - show the full and unredacted error. Also, a ping isn't a useful test.
On Thu, Jan 5, 2023 at 7:51 PM jason kerr <jjak...@gmail.com> wrote: > 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 ? >