outside connections:
- Do they connect with your outside IP-adress? Or you LAN-IPadress? (use http://www.myipaddress.com/show-my-ip-address/ to find your external adress)
- Do your internet service provider allow you to host servers? Some ISP’s do not directly allow this, and blocks all ports on their end of the link. Then a simple port forward would not work, as the port is not routed to your netwrok for external queries in the first place.
Internal problems:
is your network card on the laptop set up with DHCP? Or hare you configured it with a set IP-adress? you can use the command /ifconfig in SSH to see your laptops current IP-adress. I do however think this might not be a problem, since it seems you can connect to the webui. I think this is more of an FTB-issue. The latest FTB-infiity has several errors that are cripling, so it is really not reccomended for the time being.
As for the problems with the server: Without the logs we cannot really help. We need mineos.log, latest.log and latest-ftb.log