In SSH tab, you can configure connection settings and user authentication for SSH connection.
Secure XDMCP is a connection method that X clients connects to Xmanager of PC through SSH tunneling. If SSH server is not running on XDM host server, a proxy server for SSH tunneling is required. This option is to configure this SSH proxy server.
For more information about Secure XDMCP Setup dialog box, see SSH Protocol Setup dialog box, General tab.