Thanks for your reply. I think the server address is almost positively correct. It is the same as on another device that does work. I don't use the SSID (the same as i don't on the device that works on the same WiFi LAN). I have found that if i put in the full ip address i can connect, but i assume at some point that will change, but if i just put in
http://localhost:4040/ then it doesn't work.
I have tried it with the SSID, and it still doesn't work.
So now i have the server address, the local network address (which is the external plus the 4040, and the Local Network SSID. I guess if it works it works, but i'm still concerned if the ip address changes or that i'm losing some efficiency. Either way, it doesn't seem to be operating the way that it should.