ftp.ntua.gr:/ubuntu/dists/xenial-proposed/main/uefi/grub2-amd64/current/?C=D&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] version                                          23-Mar-2021 00:18   15   
[   ] grubx64.efi.signed                               23-Mar-2021 00:18  1.6M  
[   ] grubx64.efi                                      23-Mar-2021 00:18  1.6M  
[   ] grubnetx64.efi.signed                            23-Mar-2021 00:18  1.4M  
[   ] grubnetx64.efi                                   23-Mar-2021 00:18  1.4M  
[   ] gcdx64.efi.signed                                23-Mar-2021 00:18  1.4M  
[   ] gcdx64.efi                                       23-Mar-2021 00:18  1.4M  
[DIR] control/                                         23-Mar-2021 00:18    -   
[   ] SHA256SUMS.gpg                                   23-Mar-2021 00:18  916   
[   ] SHA256SUMS                                       23-Mar-2021 00:18  650
Apache/2.2 Server at ftp.ntua.gr Port 80