ftp.ntua.gr:/debian/dists/stretch/contrib/binary-all/by-hash/SHA256/?C=N&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 64b6e3f90bef9ff47f949a185fa5b58cb9e150e8e3a75a96c9f8a1933d30e49e 18-Jul-2020 13:40   27K  
[   ] b9f694aadc35a539cf588f869a75b9f8340ae246d5acc252d21fab706ee65591 18-Jul-2020 13:40   24K  
[   ] c10eadb3c3dbbe0223fa48cf57c63900da31ead24d9b471b762e6d0734182ffd 14-Aug-2021 10:42  123
Apache/2.2 Server at debian.noc.ntua.gr Port 80