ftp.ntua.gr:/debian/dists/stretch/non-free/binary-arm64/by-hash/SHA256/?C=N&O=D 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] d9d8b792b4dbe68d30449a95e7c147f1dd7e5adb68afb35f54ad4e2b0dfbc7c3 14-Aug-2021 10:42  126   
[   ] cb4e4db81b6bcb306d7d617421729fd21d106248d5ff9a7a11a61f06a2b691c2 18-Jul-2020 13:40   50K  
[   ] 6e0e51e4962146e387baf6374c0782f010ce1bd012c84db9de18a843e1a96cab 18-Jul-2020 13:40   59K
Apache/2.2 Server at debian.noc.ntua.gr Port 80