How to Secure Your VPS: Firewall, SSH & Fail2ban

<h1> SSH Hardening — The Ultimate Guide for 2026 </h1> <p>If your server has a public IP, it's getting SSH brute-force attempts right now. Not maybe. Not eventually. Right now.

<h2> Introduction </h2> <p>SSH (Secure Shell) is a cornerstone of modern computing. It’s no exaggeration to say that almost every software engineer and IT administrator has used

<p>By default, your server accepts connections on all open ports. A <strong>firewall</strong> turns that around: it blocks everything and only lets through what you explicitly

<p>After a few days on the internet, take a look at <code>journalctl -u ssh</code>: hundreds of login attempts from foreign IPs, one every second. As long as your SSH is <a

<h1> How to Secure an Ubuntu Linux Server for Production </h1> <p>Securing a production Linux server is one of the most important responsibilities of a system administrator. A

<p>Ahnii!</p> <blockquote> <p>This is part 3 of the <a href="https://jonesrussell.github.io/blog/production-linux-series-index/" rel="noopener noreferrer">Production Linux

<p>Protecting your servers from unauthorized access is a fundamental responsibility for any developer or system administrator. This article will guide you through configuring