Tip: SSH (Secure Shell) is a program to log into another computer over a network securely. It provides strong authentication and secure communications. Your login, commands are all encrypted when using ssh. You can manage your SSH keys to allow automation when logging in via SSH. Using public key authentication is an alternative to password authentication. Since the private key must be held to authenticate, it is virtually impossible to brute force. You can Import existing keys, generate new keys, as well as manage/delete keys. Below are the best ssh web hosting companies on the internet.