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 “ports” in Security · Clear search
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.

How to Get a Free SSL Certificate with Certbot
Secure any site with a free, auto-renewing Let's Encrypt certificate using Certbot on Ubuntu 24.04 — for Nginx or Apache.
Securing your first Linux VPS: 10 steps
A fresh VPS is exposed to the whole internet within minutes. These ten practical steps lock it down without turning you into a full-time sysadmin.
Free SSL certificates on your VPS with Let's Encrypt
HTTPS is free and automatic. Here's how to issue a Let's Encrypt certificate on your VPS, set up auto-renewal, and never see an expiry warning again.
How to check an SSL certificate's expiry and validity
An expired certificate breaks your site instantly. Learn how to check a certificate's expiry, chain and validity from the browser, the command line, and online.
UFW firewall basics: lock down your VPS
UFW makes Linux firewalling simple. Learn to allow SSH and web traffic, block everything else, and manage rules safely without locking yourself out.
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