ftp.ntua.gr:/ubuntu/dists/focal-proposed/main/uefi/grub2-amd64/2.04-1ubuntu26.9/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] SHA256SUMS                                       15-Feb-2021 17:33  650   
[   ] SHA256SUMS.gpg                                   15-Feb-2021 17:33  1.5K  
[DIR] control/                                         15-Feb-2021 17:33    -   
[   ] gcdx64.efi                                       15-Feb-2021 17:33  1.4M  
[   ] gcdx64.efi.signed                                15-Feb-2021 17:33  1.4M  
[   ] grubnetx64.efi                                   15-Feb-2021 17:33  1.4M  
[   ] grubnetx64.efi.signed                            15-Feb-2021 17:33  1.4M  
[   ] grubx64.efi                                      15-Feb-2021 17:33  1.6M  
[   ] grubx64.efi.signed                               15-Feb-2021 17:33  1.6M  
[   ] version                                          15-Feb-2021 17:33   17
Apache/2.2 Server at ftp.ntua.gr Port 80