So, the two goals for running a modern FTP server are: for security, simplify both your Policy and FTP dæmon to “anonymous FTP only”, and look for a dæmon that offers good performance. That's what ...

Neither, FTP is faster. Install a simple FTP server on one system (Serv-U is free for 1 user), or use IIS's FTP if one of the boxes is Server. 2nd best choice would be Robocopy, which uses the ...