ftp.ntua.gr:/debian/dists/oldoldoldstable/main/installer-armhf/current/images/netboot/?C=N&O=D 
Icon  Name                                                               Last modified      Size  
[DIR] Parent Directory                                                                        -   
[   ] vmlinuz                                                            19-Jun-2018 12:19  3.0M  
[   ] tftpboot.scr                                                       19-Jun-2018 12:19  796   
[   ] netboot.tar.gz                                                     19-Jun-2018 12:19   15M  
[   ] initrd.gz                                                          19-Jun-2018 12:19   12M  
[DIR] gtk/                                                               24-Mar-2019 14:33    -   
[   ] boot.scr                                                           19-Jun-2018 12:19  1.4K  
[DIR] SD-card-images/                                                    24-Mar-2019 14:33    -
Apache/2.2 Server at ftp.grnet.gr Port 80