ftp.ntua.gr:/ubuntu/dists/xenial/main/installer-amd64/current/images/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] MANIFEST.udebs                                   20-Apr-2016 18:53   23K  
[   ] udeb.list                                        20-Apr-2016 18:53  4.3K  
[   ] SHA256SUMS                                       20-Apr-2016 18:53  4.2K  
[   ] SHA1SUMS                                         20-Apr-2016 18:53  3.3K  
[   ] MD5SUMS                                          20-Apr-2016 18:53  3.0K  
[TXT] MANIFEST                                         20-Apr-2016 18:53  1.0K  
[   ] SHA256SUMS.gpg                                   20-Apr-2016 18:53  933   
[   ] SHA1SUMS.gpg                                     20-Apr-2016 18:53  933   
[   ] MD5SUMS.gpg                                      20-Apr-2016 18:53  933   
[DIR] netboot/                                         20-Apr-2016 18:53    -   
[DIR] hd-media/                                        20-Apr-2016 18:53    -   
[DIR] cdrom/                                           20-Apr-2016 18:53    -
Apache/2.2 Server at ftp.ntua.gr Port 80