ftp.ntua.gr:/ubuntu/dists/xenial/main/installer-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         20-Apr-2016 18:53    -   
[DIR] 20101020ubuntu451/                               20-Apr-2016 18:53    -
Apache/2.2 Server at ftp.ntua.gr Port 80