ftp.ntua.gr:/ubuntu/dists/xenial/main/uefi/grub2-amd64/current/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] gcdx64.efi                                       16-Apr-2016 03:23  1.0M  
[   ] gcdx64.efi.signed                                16-Apr-2016 03:23  1.0M  
[   ] grubnetx64.efi                                   16-Apr-2016 03:23  1.1M  
[   ] grubnetx64.efi.signed                            16-Apr-2016 03:23  1.1M  
[   ] grubx64.efi                                      16-Apr-2016 03:23  1.0M  
[   ] grubx64.efi.signed                               16-Apr-2016 03:23  1.0M  
[   ] version                                          16-Apr-2016 03:23   21
Apache/2.2 Server at ftp.ntua.gr Port 80