ftp.ntua.gr:/ubuntu/dists/hirsute/main/uefi/grub2-amd64/2.04-1ubuntu40/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] grubx64.efi.signed                               26-Feb-2021 09:43  1.6M  
[   ] grubx64.efi                                      26-Feb-2021 09:43  1.6M  
[   ] grubnetx64.efi.signed                            26-Feb-2021 09:43  1.4M  
[   ] grubnetx64.efi                                   26-Feb-2021 09:43  1.4M  
[   ] gcdx64.efi.signed                                26-Feb-2021 09:43  1.4M  
[   ] gcdx64.efi                                       26-Feb-2021 09:43  1.4M  
[   ] SHA256SUMS.gpg                                   26-Feb-2021 09:43  819   
[   ] SHA256SUMS                                       26-Feb-2021 09:43  650   
[   ] version                                          26-Feb-2021 09:43   15   
[DIR] control/                                         26-Feb-2021 09:43    -
Apache/2.2 Server at ftp.ntua.gr Port 80