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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7 guides for “dedicated” in Security · Clear search
How to Set Up a Firewall for a Game Server
Game servers need specific ports open and everything else shut. Configure UFW to expose only your game's ports, protect RCON, and cut attack surface.
How to Manage Secrets and Environment Variables on a VPS
Hardcoded API keys and passwords in code are a breach waiting to happen. Learn to store secrets in env files, systemd, and vaults — the right way.
How to Secure a MySQL Database
An exposed or default-configured database is a breach waiting to happen. Lock down MySQL/MariaDB: bind to localhost, strong users, least privilege and TLS.
How to Add Two-Factor Authentication to SSH
Add a time-based one-time code on top of your SSH key for defence in depth. Set up Google Authenticator PAM without locking yourself out.
How to Disable Root Login on a VPS
The root account is every attacker's first guess. Learn to create a sudo user and disable direct root login over SSH — safely, without locking yourself out.
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 set up a WireGuard VPN on a VPS
Run your own fast, private VPN with WireGuard on a VPS. Learn to install it, generate keys, configure server and client, and route your traffic securely.
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