Modded Minecraft Server

Hello, so I just bought this small desktop from eBay because I wanted to play modded Minecraft and I wanted to host it on a server. I don't like paying for a server so I just invested on a personal one so that it is better in the long term. I installed Ubuntu Server and AMP for hosting the...

So yesterday I was trying to set up a modded Minecraft server only to see my brother keep timing out which I later found out that the port forward didn't work(At least I assume it didn't work since I saw that it's not open on a port forward test site) I have both inbound and outbound rules in...