ftp.ntua.gr:/mirror/ubuntu/dists/precise-backports/main/binary-amd64/?C=D&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Release                                          19-Sep-2017 13:10  107   
[   ] Packages.gz                                      19-Sep-2017 13:10  6.5K  
[   ] Packages.bz2                                     19-Sep-2017 13:10  6.3K
Apache/2.2 Server at ftp.grnet.gr Port 80