SSH keys assist thwart brute-drive attacks, and they also protect against you from constantly being forced to variety and retype a password, so they're the safer possibility. You may change the default TCP/22 port on which OpenSSH Server connections are recognized in the sshd_config configuration file using the Port directive. https://vpn-and-softether-account61605.blogzag.com/74163798/servicessh-options