ftp.ntua.gr:/debian/dists/jessie/non-free/debian-installer/binary-amd64/by-hash/MD5Sum/?C=N&O=D 
Icon  Name                                                                 Last modified      Size  
[DIR] Parent Directory                                                                          -   
[   ] c451dff1293e816080ca97c7c69a046f                                     06-Jul-2019 12:01  105   
[   ] 8dc5aea5b03dff8595f096f9e368e888                                     18-Jun-2017 11:11   32   
[   ] 4a4dd3598707603b3f76a2378a4504aa                                     19-Jun-2017 23:59   20
Apache/2.2 Server at debian.noc.ntua.gr Port 80