FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -One of the most secure methods to authenticate clients to servers is by using SSH key pairs. Strong passwords may be sufficient to keep your server safe, but persistent brute force attacks can still crack them. This is why you need additional SSH hardening with key pairs.

Detailed explanation-2: -Connecting With an SSH Key One of the most secure ways to connect to your server is to use an SSH Key. When you use an SSH Key, you can access the server without a password. In addition, you can completely turn off password access to the server by changing the password-related parameters in the sshd config file.

Detailed explanation-3: -Although SSH is the industry standard for both security and efficacy for remote server access, as with any software, SSH is only as secure as configurations applied to the server and client configurations.

Detailed explanation-4: -SSH encrypts and authenticates all connections. SSH provides IT and information security (infosec) professionals with a secure mechanism to manage SSH clients remotely. Rather than requiring password authentication to initialize a connection between an SSH client and server, SSH authenticates the devices themselves.