ftp.ntua.gr:/ubuntu/dists/xenial-backports/restricted/dep11/by-hash/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] SHA256/                                          21-May-2016 13:56    -
Apache/2.2 Server at ftp.ntua.gr Port 80