I am trying to make an ssh connection with the -L Unix option.
Specifies that the given port on the local (client) host is to be forwarded to the given host and port on the remote side. This works by allocating a socket to listen to port on the local side, and whenever a connection is made to this port, the connection is forwarded over the secure channel, and a connection is made to host port localport from the remote machine. ...
I searched the site and could not find the WinSCP equivalent of this.