Secure SSH - How To (openSUSE)
Securing SSH SSH is normally enabled by default on Linux installations, so it goes without saying that a few simple security measures are required to keep the box free from brute force attacks. These measures are part of the SSH configuration and no additional software is required. If the machine is to be public facing then as a minimum I always follow these steps: Change the port the daemon is running on Remove access to root Enable certificate public/private key authentication