ftp.ntua.gr:/debian/dists/stretch/main/debian-installer/binary-all/by-hash/SHA256/ 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 09ee6aee3c7de038196b54abd8365d097d91bdcaf774fd5dfbb4349363d5a7e4 18-Jul-2020 13:40   15K  
[   ] 6f5bd49b94f937e2eb6f1ffc8bbc04e5424a94653553ddffaa4c446428010328 14-Aug-2021 10:42  120   
[   ] f582848ccd6199df5d2a702096740b4666fc9b18ef4e22831d9280536e12af7e 18-Jul-2020 13:40   17K
Apache/2.2 Server at debian.noc.ntua.gr Port 80