ftp.ntua.gr:/mirror/ubuntu/dists/bionic/main/installer-i386/current/images/cdrom/?C=M&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] vmlinuz                                          26-Apr-2018 00:23  7.2M  
[   ] initrd.gz                                        26-Apr-2018 00:23   14M  
[   ] debian-cd_info.tar.gz                            26-Apr-2018 00:23  278K
Apache/2.2 Server at ftp.grnet.gr Port 80