ftp.ntua.gr:/mirror/ubuntu/dists/groovy/main/installer-i386/current/images/cdrom/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] vmlinuz                                          24-Apr-2020 16:58  9.9M  
[   ] initrd.gz                                        24-Apr-2020 16:58   15M  
[   ] debian-cd_info.tar.gz                            24-Apr-2020 16:58  280K
Apache/2.2 Server at ftp.grnet.gr Port 80