ftp.ntua.gr:/ubuntu/dists/precise-updates/main/uefi/grub2-amd64/current/?C=D&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] version                                          09-Nov-2016 16:18   18   
[   ] grubx64.efi.signed                               09-Nov-2016 16:18  775K  
[   ] grubx64.efi                                      09-Nov-2016 16:18  773K  
[   ] gcdx64.efi.signed                                09-Nov-2016 16:18  812K  
[   ] gcdx64.efi                                       09-Nov-2016 16:18  810K  
[DIR] control/                                         09-Nov-2016 16:18    -   
[   ] SHA256SUMS.gpg                                   09-Nov-2016 16:18  198   
[   ] SHA256SUMS                                       09-Nov-2016 16:18  481
Apache/2.2 Server at ftp.ntua.gr Port 80