ftp.ntua.gr:/debian/dists/Debian9.13/main/installer-amd64/current/images/cdrom/?C=M&O=A 
Icon  Name                                                          Last modified      Size  
[DIR] Parent Directory                                                                   -   
[   ] debian-cd_info.tar.gz                                         12-Jul-2020 20:49  1.5M  
[DIR] gtk/                                                          12-Jul-2020 20:49    -   
[   ] initrd.gz                                                     12-Jul-2020 20:49   15M  
[   ] vmlinuz                                                       12-Jul-2020 20:49  4.1M  
[DIR] xen/                                                          12-Jul-2020 20:49    -
Apache/2.2 Server at ftp.ntua.gr Port 80