ftp.ntua.gr:/ubuntu/dists/focal-security/main/uefi/grub2-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         04-Aug-2020 21:03    -   
[DIR] 2.04-1ubuntu26.2/                                04-Aug-2020 21:03    -
Apache/2.2 Server at ftp.ntua.gr Port 80