Port (for incoming connections) - The port SFTP listens on. Default is 218
Permit root login - Allows SFTP logins for the root user. This is off by default.
Logging level - The verbosity of SFTP log messages
SFTP Keys - RSA/DSA public keys for SFTP authentication. Text comments can be associated with the keys to help administrators track why they were added. As of the 2011.1 software release, key management for SFTP has changed to increase security. When creating an SFTP key, it is required to include the "user" property with a valid user assignment. SFTP keys are grouped by user and are authenticated via SFTP with the user's name. It is recommended to recreate any existing SFTP keys that do not include the user property, even though they will still authenticate.