ftp.ntua.gr:/debian/dists/sid/main/installer-arm64/20190623/images/netboot/debian-installer/arm64/?C=S&O=D 
Icon  Name                                                                             Last modified      Size  
[DIR] Parent Directory                                                                                      -   
[   ] initrd.gz                                                                        23-Jun-2019 22:53   26M  
[   ] linux                                                                            23-Jun-2019 22:53   18M  
[   ] grubaa64.efi                                                                     23-Jun-2019 22:53  1.3M  
[   ] bootnetaa64.efi                                                                  23-Jun-2019 22:53  897K  
[DIR] grub/                                                                            23-Jun-2019 22:53    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80