ftp.ntua.gr:/debian/dists/unstable/main/installer-amd64/20190623/images/cdrom/?C=N&O=A 
Icon  Name                                                         Last modified      Size  
[DIR] Parent Directory                                                                  -   
[   ] debian-cd_info.tar.gz                                        23-Jun-2019 22:53  2.2M  
[DIR] gtk/                                                         23-Jun-2019 22:53    -   
[   ] initrd.gz                                                    23-Jun-2019 22:53   19M  
[   ] vmlinuz                                                      23-Jun-2019 22:53  5.0M  
[DIR] xen/                                                         23-Jun-2019 22:53    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80