ftp.ntua.gr:/debian/dists/jessie/main/installer-amd64/current/images/netboot/debian-installer/amd64/?C=S&O=D 
Icon  Name                                                                               Last modified      Size  
[DIR] Parent Directory                                                                                        -   
[   ] initrd.gz                                                                          19-Jun-2018 05:45   15M  
[   ] linux                                                                              19-Jun-2018 05:44  3.0M  
[   ] bootnetx64.efi                                                                     19-Jun-2018 05:45  426K  
[   ] pxelinux.0                                                                         06-Dec-2017 02:12   42K  
[DIR] pxelinux.cfg/                                                                      18-Jun-2018 23:09    -   
[DIR] grub/                                                                              24-Mar-2019 14:33    -   
[DIR] boot-screens/                                                                      24-Mar-2019 14:33    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80