SSH protocol supports SFTP and ZMODEM uploads and downloads. SFTP offers the highest transfer efficiency, while ZMODEM can easily bypass bastion-host restrictions.
FTP/SFTP/FTPS protocol support: directly connect to mobile file managers and other standard compliant servers for remote file management.
Telnet/Rlogin protocol: ZMODEM uploads and downloads only.
VNC protocol: standard servers do not support file uploads/downloads; when paired with WoVNCServer, file transfers become possible.
RDP protocol: on Windows, native uploads/downloads are supported; Linux and macOS are not supported.