ftp.ntua.gr:/debian/dists/stretch-backports/non-free/by-hash/ 
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