ftp.ntua.gr:/ubuntu/dists/precise-updates/main/installer-amd64/current/images/cdrom/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] initrd.gz                                        22-Jul-2015 00:55  8.3M  
[   ] vmlinuz                                          22-Jul-2015 00:55  4.8M  
[   ] debian-cd_info.tar.gz                            22-Jul-2015 00:55  1.4M  
[DIR] xen/                                             22-Jul-2015 00:55    -   
[DIR] gtk/                                             22-Jul-2015 00:55    -
Apache/2.2 Server at ftp.ntua.gr Port 80