Audit Your OpenSSH Server in 5 Minutes Before Getting Hacked
In this article, use sshd -T, ss, and journalctl to audit your OpenSSH server in 5 minutes and fix weak login settings.
The OpenSSH 10.5 release notes from August 2026 explain that the project is receiving many more security bug reports, including reports discovered with AI-assisted tools, and plans to release fixes more frequently.
In this guide, we'll audit a live server named web01 in about five minutes, where we will check for OpenSSH updates, inspect the settings that sshd actually enforces, review authorized SSH keys, check where SSH is listening, and look through recent login activity.
Before changing any SSH setting on a remote server, keep a second SSH session open. That way, if you make a configuration mistake, you still have an existing connection from which you can correct it.