The Nxeon Blog
Guides for people who run their own servers.
Straight-talking tutorials and comparisons on VPS hosting, game servers, Linux and security. No fluff, just what actually works. 346 guides from the team that runs the servers.
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132 guides for “firewall” · Clear search
How to Set Up a UFW Firewall on Ubuntu
UFW makes Linux firewalling approachable. Learn to allow only the ports you need, set default-deny, rate-limit SSH, and verify your rules.

How to Install and Configure fail2ban
fail2ban watches your logs and automatically bans IPs that fail to log in too many times. Here's how to install it and write custom jails.

How to Set Up SSH Key Authentication and Disable Passwords
Stop relying on passwords. Generate an SSH key pair, install your public key on the VPS, and turn password logins off for good.

How to Harden SSH on a Linux VPS
A practical, copy-paste guide to locking down the SSH daemon on your VPS — the single most important service to secure on a public server.

How to Run Any SteamCMD Game Server on a Linux VPS
Learn the one workflow behind every Steam dedicated server: install SteamCMD, log in anonymously, install by App ID, open ports, and run it as a systemd service.

How to Set Up a Vintage Story Server
Host a Vintage Story server the developer's way (no SteamCMD): download the server package, install .NET, open port 42420, configure the world, and run it as a service.

How to Set Up a Necesse Dedicated Server
Host a persistent Necesse world for your group: install the server via SteamCMD or its Java build, open port 14159, configure the world, and run it as a service.

How to Set Up a Don't Starve Together Dedicated Server
Run a persistent Don't Starve Together world with caves: SteamCMD install, the two-shard cluster setup, a cluster token, ports 10999–11000, and a systemd service.

How to Set Up an Unturned Dedicated Server
Host your own free Unturned server: SteamCMD install, generating the server config, ports 27015–27017, workshop mods, and a systemd service that survives reboots.

How to Set Up a Headless Factorio Server on a VPS
Run a Factorio headless server the right way: direct download (no SteamCMD needed), port 34197, mod syncing, and why this is the game where RAM barely matters.

How to Set Up a Satisfactory Dedicated Server on a VPS
Keep your Satisfactory factory running 24/7: SteamCMD install, claiming the server in-game, port 7777, and a systemd service sized for big automation saves.

How to Set Up a Terraria Server with tModLoader
Run a modded Terraria server with tModLoader: SteamCMD install, enabling mods like Calamity, matching mod lists across players, and a persistent systemd service.
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