FTPii is an FTP server for the Wii, giving people easy access to their SD cards without having to eject it from the Wii itself.

You will need an FTP client in order to connect to your Wii, but once you have got one set up, all you have to do is use wiiload to send FTPii to your Wii and once the network has initialised it’s good to go.

Release notes:

Added authentication – can specify a password using directory name or wiiload arg.

http://wiibrew.org/wiki/Homebrew_apps/FTPii