Vancouver International Airport is owned by Transport Canada and is managed by Vancouver Airport Authority, which also manages other airports around the world through its Vancouver Airport Services subsidiary.
Download FTP Drive v3.5. FTP Drive - program, that allow working with FTP for those programs, that don't know what is FTP. Emulates logical drive, where selected FTP servers are mounted as folders. Usefull fot example for viewing films, listening files directly from FTP server without pre-downloading whole file.
FTP is a TCP based service exclusively. There is no UDP component to FTP. FTP is an unusual service in that it utilizes two ports, a 'data' port and a 'command' port (also known as the control port). Traditionally these are port 21 for the command port and port 20 for the data port. The confusion begins however, when we find that depending on the mode, the data port is not always on port 20.