ftp.ntua.gr:/ubuntu/dists/xenial/main/dist-upgrader-all/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         16-Apr-2016 19:33    -   
[DIR] 16.04.12/                                        16-Apr-2016 19:33    -   
[DIR] 16.04.11/                                        15-Apr-2016 12:03    -   
[DIR] 16.04.10/                                        08-Apr-2016 13:48    -
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