Learn how to install and securely configure an SSH server on Linux. The guide covers essential security mechanisms such as changing the default port, binding SSH to specific IPs, disabling root login, setting up public key authentication, and using both passwords and keys for authentication. It also includes instructions on denying or allowing access based on IP and username to enhance SSH security.
Table of contents
Securing SSH1.change the default port of ssh to prevent automated attacks2. Binding SSH to specific IPs only3. Deny root user from login.4. Public key authentication -5. Using password and key both to authenticate (most secure)Sort: