ftp.ntua.gr:/debian/dists/stretch-backports-sloppy/non-free/binary-all/by-hash/SHA256/?C=M&O=D 
Icon  Name                                                                Last modified      Size  
[DIR] Parent Directory                                                                         -   
[   ] 04aee67d0def473eab7d6a22735b86fbe38030f912def904bc8f6a104c7d86b7    06-Jun-2021 16:57  772   
[   ] 7ffa64380cbbe27bd337b709fa6c4bb09f13345f453c4e6dc1706f67e4acb41b    30-Aug-2019 11:21  186
Apache/2.2 Server at debian.noc.ntua.gr Port 80