ftp.ntua.gr:/ubuntu/dists/bionic-proposed/main/uefi/grub2-amd64/2.04-1ubuntu42/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] grubx64.efi.signed                               02-Mar-2021 21:18  1.6M  
[   ] grubx64.efi                                      02-Mar-2021 21:18  1.6M  
[   ] grubnetx64.efi.signed                            02-Mar-2021 21:18  1.4M  
[   ] grubnetx64.efi                                   02-Mar-2021 21:18  1.4M  
[   ] gcdx64.efi.signed                                02-Mar-2021 21:18  1.4M  
[   ] gcdx64.efi                                       02-Mar-2021 21:18  1.4M  
[   ] SHA256SUMS.gpg                                   02-Mar-2021 21:18  819   
[   ] SHA256SUMS                                       02-Mar-2021 21:18  650   
[   ] version                                          02-Mar-2021 21:18   15   
[DIR] control/                                         02-Mar-2021 21:18    -
Apache/2.2 Server at ftp.ntua.gr Port 80