ftp.ntua.gr:/debian/dists/stretch/main/installer-arm64/20170615/images/netboot/debian-installer/arm64/ 
Icon  Name                                                                                 Last modified      Size  
[DIR] Parent Directory                                                                                          -   
[   ] bootnetaa64.efi                                                                      15-Jun-2017 11:34  448K  
[DIR] grub/                                                                                16-Jun-2017 23:57    -   
[   ] initrd.gz                                                                            15-Jun-2017 11:34   21M  
[   ] linux                                                                                15-Jun-2017 11:34   13M
Apache/2.2 Server at debian.noc.ntua.gr Port 80