ftp.ntua.gr:/debian/dists/stretch/main/installer-amd64/20170615+deb9u9/images/ 
Icon  Name                                                        Last modified      Size  
[DIR] Parent Directory                                                                 -   
[   ] MANIFEST                                                    12-Jul-2020 20:49  1.7K  
[   ] MANIFEST.udebs                                              12-Jul-2020 20:49   48K  
[   ] MD5SUMS                                                     12-Jul-2020 20:49   54K  
[   ] SHA256SUMS                                                  12-Jul-2020 20:49   72K  
[DIR] cdrom/                                                      12-Jul-2020 20:49    -   
[DIR] hd-media/                                                   12-Jul-2020 20:49    -   
[DIR] netboot/                                                    12-Jul-2020 20:49    -   
[   ] udeb.list                                                   12-Jul-2020 20:49  6.5K
Apache/2.2 Server at debian.noc.ntua.gr Port 80