I've always played railworld because I hated how biters expanded and the fact they'd surprise you. With this change I may play not a rail world save. I especially love the alert in radar coverage of new expanded nests now so you can clear them before they become an issue, as well with the ability to ...

I have a direct link from my computer to my modem. I figured out my router was having other issues (its old) so I have taken it offline all together. How do I determine what is changing my ports now? Here is the most recent log.

I have no router, so I do not know how to stop the ports from changing ...

It means that you contacted the factorio ping pong servers with different IPs.
Moved to technical help.


How would I fix this issue? At this point, I am not even running a router in my network, no mods, just 0.15.12 and still can not host the game. It continuously says failed to determine ...

When trying to host a server, I continuously get the "Unable to determine external IP address, player's might not be able to join" error box on startup as seen below.
Factorio Error.png

I played the save for four days in a row each evening for 3-5hrs each this past week. We took Thursday off and ...