I have, it's quite choosy,
you've set your login details I suppose?
you have to create this folder and file on your sdcard
with the following settings
filezilla works without altering settings, quickconnect,
but if it fails, set mode to ascii (and not auto) and or turning pasv on/off
I don't know why, but that worked for me.
I read the ftp.conf thing somewhere, but I misplaced the bookmark