ftp.ntua.gr:/ubuntu/dists/focal/main/uefi/grub2-amd64/2.04-1ubuntu24/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] grubx64.efi.signed                               10-Apr-2020 01:43  1.6M  
[   ] grubx64.efi                                      10-Apr-2020 01:43  1.6M  
[   ] grubnetx64.efi.signed                            10-Apr-2020 01:43  1.4M  
[   ] grubnetx64.efi                                   10-Apr-2020 01:43  1.4M  
[   ] gcdx64.efi.signed                                10-Apr-2020 01:43  1.4M  
[   ] gcdx64.efi                                       10-Apr-2020 01:43  1.4M  
[   ] SHA256SUMS.gpg                                   10-Apr-2020 01:43  1.5K  
[   ] SHA256SUMS                                       10-Apr-2020 01:43  650   
[   ] version                                          10-Apr-2020 01:43   15   
[DIR] control/                                         10-Apr-2020 01:43    -
Apache/2.2 Server at ftp.ntua.gr Port 80