Netgear genie
After creating a server, you might be ready to play with your friends. Port forwarding can be used to open up any LAN server to the outside world. Keeping ports open for a prolonged term might pose a danger to your security. Host at your own risk!
How to make an Unturned server:
https://www.youtube.com/watch?v=5DcgA9oItWs
How to make a Minecraft server:
https://www.youtube.com/watch?v=IturpiPyiA0
Timestamps:
0:00 Opening Router Config
1:20 Finding Port Forwarding
1:47 Opening Port
2:46 Closing Port