ftp.ntua.gr:/debian/dists/stretch-backports/contrib/binary-all/by-hash/ 
Icon  Name                                                Last modified      Size  
[DIR] Parent Directory                                                         -   
[DIR] MD5Sum/                                             13-Sep-2020 05:23    -   
[DIR] SHA256/                                             13-Sep-2020 05:23    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80