Minecraft server at home vs renting: the honest trade-off

Ask on a forum how to start a Minecraft server, and within a few replies the conversation turns to routers and port forwarding. Makes sense: hosting on your own PC is free and feels like the most direct route. And to be fair: in some situations it genuinely is. But there's a difference between “it works” and “it works well”, and that difference lives in things you only discover once your server has been running for a while. So first a proper explanation of how home hosting works, and then the real costs and risks laid out — so you can decide for yourself what fits your situation.

How to run a Minecraft server on your own PC

The basic recipe has been the same for years:

1. Install a recent version of Java. The official server software runs on Java, so there's no way around it.
2. Download the server software. On the official Minecraft website you'll find the server.jar file for the Java Edition.
3. Start the server for the first time. Put server.jar in its own folder and start it from the command prompt with java -jar server.jar. That first start stops right away: you first need to change the line eula=false to eula=true in the eula.txt file to accept the terms.
4. Start again and configure. Now the server generates its world. In server.properties you can then adjust things like the maximum number of players, the game mode and the difficulty.

At this point you can already play yourself: open Minecraft on the same PC and connect to localhost. Players on your own network connect via your PC's local IP address. For a LAN night or a building session with your little brother you're done — really, that's all it takes.

Opening port 25565 for players from outside

If you want friends who aren't sitting on your couch to join in, their traffic needs to be able to reach your server. By default your router blocks all incoming traffic, so you set up port forwarding:

1. Give your PC a fixed local IP address, or reserve its address in your router. If you don't, your rule may suddenly point at the wrong device after a reboot.
2. Log in to your router and look for the setting called “port forwarding” or “NAT”.
3. Forward TCP port 25565 — the default port of Minecraft Java Edition — to your PC's local IP address.
4. Share your public IP address with your friends; you can find it with a search like “what is my IP”.

Not working right away? The usual suspects: the Windows firewall not letting Java through yet, a router that only applies the rule after a restart, or an ISP that puts you behind a shared IP address (CG-NAT) — in that last case port forwarding simply isn't possible and the home-hosting story ends here.

The downsides you only feel later

So far everything works. But a server that “runs” is not the same as a server you'll enjoy for months. These are the points home hosters run into in practice.

Your home IP is out in the open

Everyone who connects to your server knows your public IP address from that moment on — the address of your entire household. Usually that's not a problem. But if you fall out with a player, or your server attracts the wrong kind of attention, a single DDoS attack on that address is enough to take down not just your server but your entire internet connection. No Minecraft, no Netflix, no working from home. This certainly doesn't happen to every home hoster, but in the Minecraft scene DDoS attacks are a well-known phenomenon, and against a serious attack a consumer router is powerless.

Being online means: your PC stays on

Your server is only reachable while your PC is running. If your friends want to play in the afternoon while you're out, that PC has to stay on. Windows updates, a crash or simply someone switching the thing off: every interruption is downtime. For a server with just close friends that's easy enough to arrange, but a server that's “often not there” quickly empties out with a bigger group.

You're gambling with the security of your home network

Let's be honest, because this often gets exaggerated: a forwarded port is not a gaping hole in your network. The traffic on port 25565 only ends up at your Minecraft process. But you do increase your attack surface, especially if your server software or plugins get outdated — vulnerabilities do turn up in those from time to time. And that server runs on the same PC as your e-mail and online banking. So home hosting can be reasonably safe, but only if you keep up with updates and use a whitelist; if you let that slide, you're taking a risk that a rented server in a data centre simply doesn't have.

The maths: power costs versus renting

“Home hosting is free” is only half true. The software costs nothing, the power does. Do the sums: an average desktop or gaming PC easily draws around 100 watts on average while running as a server. That's 100 watts × 24 hours × 30 days = 72 kWh per month. At an electricity price of € 0,30 per kWh — a fairly common rate — you end up at roughly € 21,60 per month. An efficient mini PC does it for less, an old gaming PC with a beefy graphics card tends to sit above it.

For comparison: at MC-Node you can rent a Minecraft server from € 0,50 per month, and you count on roughly € 1,10 per GB of RAM. A server with 4 GB of memory — plenty for a group of friends with a few plugins — comes to about € 4,40 per month. That's a fifth of your home power bill alone.

One honest side note: if your PC is on all day anyway, the extra power cost of a Minecraft server running alongside is a lot smaller than that € 21,60. The calculation above applies to a PC you keep running specifically for your server — and that's exactly what happens once your players expect the server to be there when you're not.

When hosting at home is perfectly fine

This article is not a plea to never host at home. In these situations it's actually the best choice:

• LAN nights. Everyone is on the same network, so port forwarding and your public IP aren't even needed.
• The occasional session with one friend. You're at your PC anyway, the server runs along for an evening and then simply goes off again.
• Learning and experimenting. Setting up a server yourself teaches you more about server.properties, plugins and backups than any panel ever will.
• Test environment. Trying new plugins or datapacks locally first, before letting them loose on your real server, is always a smart move.

When renting is the logical choice

Do you want your server reachable 24/7, do people outside your household play on it, or do you simply not want to share your home IP with strangers? Then renting is the sensible choice — especially now that the price difference with your own power bill is so small, or even tips the other way. At MC-Node your server then runs on our own hardware with NVMe storage in the Previder data centre in Hengelo, with DDoS protection included and management via a web panel instead of the command prompt. Everything is cancellable monthly, so you're not tied to anything. Check out the packages in the MC-Node Minecraft store and your server is ready within minutes.

And the nice thing is: it's not a final decision. Many people start at home, learn how everything works there, and only move their world to a rented server once more players join. You simply take your world map with you — upload it to your new server and keep building where you left off.

Further reading

• How do I make a Minecraft server?
• Securing your Minecraft server: whitelist, permissions and DDoS
• What is a DDoS attack and how can you protect your server?
• Moving your Minecraft server to a new host, step by step
• A safe Minecraft server for your child: a guide for parents