ftp.ntua.gr:/debian/dists/stretch-backports/non-free/binary-i386/by-hash/?C=M&O=A 
Icon  Name                                                  Last modified      Size  
[DIR] Parent Directory                                                           -   
[DIR] MD5Sum/                                               15-Jul-2020 05:24    -   
[DIR] SHA256/                                               15-Jul-2020 05:24    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80