ftp.ntua.gr:/ubuntu/dists/focal-updates/main/uefi/grub2-amd64/current/control/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] uefi.crt                                         27-Apr-2021 12:08  4.7K
Apache/2.2 Server at ftp.ntua.gr Port 80