People don’t even want you to play a video game in private now.
"Gibbons cut in: “They’re illegal. They are not in any way affiliated with Microsoft. Microsoft, for Minecraft, has gotten a lot of criticism because of those community servers not employing the same safety standards that Microsoft does on their Minecraft servers.”
Might be better to use a hosting service unless you understand network security to a high degree: you will be exposing your IP if you self-host.