ftp.ntua.gr:/ubuntu/dists/focal/main/installer-amd64/current/legacy-images/hd-media/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] vmlinuz                                          21-Apr-2020 17:43   11M  
[   ] initrd.gz                                        21-Apr-2020 17:43   20M  
[   ] boot.img.gz                                      21-Apr-2020 17:43   30M
Apache/2.2 Server at ftp.ntua.gr Port 80