ftp.ntua.gr:/ubuntu/dists/bionic-updates/main/uefi/grub2-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         08-May-2021 00:48    -   
[DIR] 2.04-1ubuntu44/                                  08-May-2021 00:48    -   
[DIR] 2.02-2ubuntu8.21/                                18-Jan-2021 11:58    -   
[DIR] 2.02-2ubuntu8.20/                                23-Nov-2020 13:38    -
Apache/2.2 Server at ftp.ntua.gr Port 80