ftp.ntua.gr:/debian/dists/unstable/main/installer-amd64/20190623/images/?C=N&O=D 
Icon  Name                                                  Last modified      Size  
[DIR] Parent Directory                                                           -   
[   ] udeb.list                                             23-Jun-2019 22:53  6.5K  
[DIR] netboot/                                              23-Jun-2019 22:53    -   
[DIR] hd-media/                                             23-Jun-2019 22:53    -   
[DIR] cdrom/                                                23-Jun-2019 22:53    -   
[   ] SHA256SUMS                                            23-Jun-2019 22:53   74K  
[   ] MD5SUMS                                               23-Jun-2019 22:53   55K  
[   ] MANIFEST.udebs                                        23-Jun-2019 22:53   48K  
[   ] MANIFEST                                              23-Jun-2019 22:53  1.7K
Apache/2.2 Server at debian.noc.ntua.gr Port 80