https://www.linuxhosted.com/tags/ssh/Recent content in Ssh on LinuxHosted.comHugo -- gohugo.ioenLinuxHosted.comSun, 31 May 2026 00:00:00 +0000https://www.linuxhosted.com/post/ssh-hardening-vps-ubuntu/Sun, 31 May 2026 00:00:00 +0000https://www.linuxhosted.com/post/ssh-hardening-vps-ubuntu/ <p>The moment an Ubuntu VPS gets a public IP, automated bots start knocking on port 22. Within hours you will see thousands of failed login attempts in your auth log — scripts cycling through <code>root</code>, <code>admin</code>, <code>ubuntu</code>, and a dictionary of weak passwords. SSH is the front door to your server, and the default configuration leaves it wider open than it needs to be. This guide walks through hardening <code>sshd</code> on Ubuntu 22.04 so that the door only opens for you.</p>