ftp.ntua.gr:/debian/dists/sid/main/installer-amd64/20210606/images/cdrom/?C=M&O=D 
Icon  Name                                                    Last modified      Size  
[DIR] Parent Directory                                                             -   
[DIR] xen/                                                    06-Jun-2021 14:48    -   
[   ] vmlinuz                                                 06-Jun-2021 14:48  6.5M  
[   ] initrd.gz                                               06-Jun-2021 14:48   17M  
[DIR] gtk/                                                    06-Jun-2021 14:48    -   
[   ] debian-cd_info.tar.gz                                   06-Jun-2021 14:48  2.2M
Apache/2.2 Server at debian.noc.ntua.gr Port 80