ftp.ntua.gr:/ubuntu/dists/xenial-updates/main/installer-amd64/current/images/cdrom/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] debian-cd_info.tar.gz                            30-Jul-2020 02:39  1.7M  
[   ] initrd.gz                                        30-Jul-2020 02:39   14M  
[   ] vmlinuz                                          30-Jul-2020 02:39  6.9M  
[DIR] xen/                                             30-Jul-2020 02:39    -
Apache/2.2 Server at ftp.ntua.gr Port 80