ftp.ntua.gr:/debian/dists/stretch-backports-sloppy/non-free/binary-amd64/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                                  Last modified      Size  
[DIR] Parent Directory                                                                           -   
[   ] 970cd833d549e31c8ba25c8ddd0841b011c1406a55b5b6fe7156c7547c951bfa      30-Aug-2019 11:21  188   
[   ] 04aee67d0def473eab7d6a22735b86fbe38030f912def904bc8f6a104c7d86b7      06-Jun-2021 16:57  772
Apache/2.2 Server at debian.noc.ntua.gr Port 80