if you have php running on the DNS-323 here are some file managers that work.

simply put the files in the web directory and they will run.

====== php filemanager ======
it can be downloaded here
http://phpfm.sourceforge.net/

''from MrSputnik
The only thing I had to do was to create a symlink for tempoary files:
mkdir /mnt/HD_a2/tmp
ln -s /mnt/HD_a2/tmp /var/tmp''

====== dory ======
can be downloaded here
http://sourceforge.net/projects/dory/

====== Dolphin file manager ======
Very Cool PHP File manager with User/Group permissions and WEB based Shell \\
Download & more information [[http://dolphin-php.org/download/|here]]

====== eXtplorer ======

http://extplorer.sourceforge.net/

http://dns323.kood.org/forum/viewtopic.php?id=4189