Magic Router Listener Client supports FTP (client run as passive mode) relay/forward, protocol is FTP instead of TCP.
Sample Port Forward Definition:
127.0.0.1,2021,192.168.1.10,21,FTP
192.168.1.234,21,192.168.1.1,21,FTP
The above definition means Listener Client connect to Agent Server (or +Auto Forwarder enabled), then forward to Forwarder Client.
FTP client connect to local computer ip=127.0.0.1, port=2021 and final FTP server is on remote server ip=192.168.1.10, port=21. FTP client can be located in same LAN or WAN.
FTP client and FTP server cannot be the same computer.