What privileges are required to use SSH?

When using SSH (Secure Shell), the necessary privileges typically include having root access or the ability to use the sudo command. This requirement arises because SSH facilitates encrypted communication between a client and server, often allowing the client to execute commands on the server.

If a user connects to a remote server as the root user, they have the full range of capabilities, including the ability to perform administrative tasks and configure system-level settings. Alternatively, users who have been granted sudo privileges can execute commands with elevated permissions, allowing them the necessary access to perform tasks that require higher-level authority without logging in as root directly.

While administrator access and user-level access play important roles in general system use, they do not directly denote SSH authentication requirements. Remote access is too broad and could imply various methods of connecting to a server, not specifically SSH. Therefore, having root or sudo rights is essential for performing various administrative functions securely over an SSH connection.