ftp.ntua.gr:/ubuntu/dists/xenial-updates/main/uefi/grub2-amd64/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] 2.02~beta2-36ubuntu3.28/                         31-Aug-2020 16:43    -   
[DIR] 2.02~beta2-36ubuntu3.29/                         23-Nov-2020 13:53    -   
[DIR] 2.04-1ubuntu44/                                  30-Apr-2021 01:18    -   
[DIR] current/                                         30-Apr-2021 01:18    -
Apache/2.2 Server at ftp.ntua.gr Port 80