ftp.ntua.gr:/debian/dists/stretch-backports-sloppy/non-free/by-hash/?C=S&O=D 
Icon  Name                                             Last modified      Size  
[DIR] Parent Directory                                                      -   
[DIR] SHA256/                                          26-May-2021 11:09    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80