Direct Secure Shell Session Scenario
This scenario requires that the applications whose sessions you want to secure are Secure Shell aware. Applications such as HostExplorer and Hummingbird FTP, for example, let users configure their terminal or FTP sessions to use any tunnels you have configured.
Although both client-side applications may use the same Secure Shell tunnel, each one would send and receive data on a separate Secure Shell channel within the tunnel. (Each tunnel may have only one X11-enabled channel.)
In the case of FTP communication, the Connectivity Secure Shell acts as an FTP server for the local FTP client, and as a SFTP client toward the remote host Secure Shell server.