Originally posted by Stxyzth
If you set up just a normal server you all will be able to connect to it via local IP.
I believe even if your internet disconnect you can still connect via local IP but I have not tried that so don't quote me on it.
Decided to download the .exe and you have to open Server.Properties in Notepad and change
online-mode=false
Leave server port as default and Host joins under "localhost" Player would have to join as the IP Address To find that type
Windows+R (Run) -> CMD -> IPConfig (Should show Contents.
Hopefully this helped. in anyway possible?
And if it didn't you could try the Hamachi way