SFTP is the protocol, although in this case it appears to be done over ssh. The binary itself is rclone. And rclone appears to be a pretty hairy beast, so it h

SFTP is the protocol, although in this case it appears to be done over ssh. The binary itself is rclone. And rclone appears to be a pretty hairy beast, so it has taken a while to vet the arguments they want to allow and prohibit the rest that they don’t.