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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18 guides for “cli” 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 Secure a Self-Hosted WordPress Site
WordPress powers a huge share of the web, which makes it a huge target. Harden your self-hosted install at the server, app, and login layers.
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.
DDoS Protection Basics for a VPS
What a DDoS attack actually is, what you can mitigate at the server level, and where you genuinely need upstream protection. A realistic primer.
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 Self-Host Vaultwarden Behind an Nginx Reverse Proxy
Already run Nginx? Here's how to put Vaultwarden behind it properly — real config, Let's Encrypt TLS, WebSocket support and the security headers that matter.
How to Self-Host a Password Manager on a VPS
Which self-hosted password manager should you run, and how? Compare Vaultwarden, KeePass sync and Passbolt, then deploy your pick on a VPS with HTTPS.
How to Self-Host Vaultwarden (Bitwarden-Compatible) on a VPS
Run your own password vault with Vaultwarden, a lightweight server that works with every official Bitwarden app. Docker install with HTTPS in minutes.
How to Set Up an OpenVPN Server on a VPS
OpenVPN is the compatibility king of VPNs. This guide uses a proven installer to stand up a server on a VPS and export client profiles in minutes.
How to Set Up a WireGuard VPN Server on a VPS
Roll your own private VPN with WireGuard — fast, modern and easy to manage. This guide uses a web UI so you add devices by scanning a QR code.
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