ftp.ntua.gr:/debian/dists/Debian9.13/main/installer-arm64/20170615/images/netboot/debian-installer/arm64/grub/ 
Icon  Name                                                                                          Last modified      Size  
[DIR] Parent Directory                                                                                                   -   
[DIR] arm64-efi/                                                                                    15-Jun-2017 23:55    -   
[   ] font.pf2                                                                                      15-Jun-2017 11:34  4.9K  
[   ] grub.cfg                                                                                      15-Jun-2017 11:34  7.2K
Apache/2.2 Server at ftp.ntua.gr Port 80