To start off
You reinstall Blockland and look closely you see a Dedicated Server shortcut, Click that box, and once it is done setting up, Do what you gotta do. and then go to your router IP, whitch can usally be found in the Control Panel. Then you go to the Port Fowarding tab and you put your IP in the IP box were your setting the traffic to go to. and for the ports 28000 by 28000, and save it then restart your router and bam! Your done! Enjoy this tutorial.