ftp.ntua.gr:/debian/dists/stretch-updates/non-free/source/by-hash/MD5Sum/?C=N&O=D 
Icon  Name                                                   Last modified      Size  
[DIR] Parent Directory                                                            -   
[   ] 8dc5aea5b03dff8595f096f9e368e888                       13-Apr-2021 22:57   32   
[   ] 7a94eab0f60d537ad3af317b0ccf7759                       18-Jun-2017 11:28   95   
[   ] 4a4dd3598707603b3f76a2378a4504aa                       13-Apr-2021 22:57   20
Apache/2.2 Server at debian.noc.ntua.gr Port 80