Specifies a channel process to handle a sftp subsystem.
Should be used together with ssh:daemon/[1,2,3]
Options are:
Sets the initial current working directory for the server.
Determines which module to call for communicating with
the file server. Default value is
The default value is
Sets the sftp root directory. The user will then not be
able to see any files above this root. If for instance
the root is set to