ftp.ntua.gr:/ubuntu/dists/focal-proposed/main/installer-amd64/current/legacy-images/cdrom/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] xen/                                             30-Jan-2021 00:58    -   
[   ] vmlinuz                                          30-Jan-2021 00:58   11M  
[   ] initrd.gz                                        30-Jan-2021 00:58   17M  
[   ] debian-cd_info.tar.gz                            30-Jan-2021 00:58  2.3M
Apache/2.2 Server at ftp.ntua.gr Port 80