ftp.ntua.gr:/debian/dists/bullseye/main/installer-armhf/20210731/images/netboot/?C=M&O=D 
Icon  Name                                                         Last modified      Size  
[DIR] Parent Directory                                                                  -   
[   ] vmlinuz                                                      31-Jul-2021 07:20  4.7M  
[   ] tftpboot.scr                                                 31-Jul-2021 07:20  796   
[   ] netboot.tar.gz                                               31-Jul-2021 07:20   31M  
[   ] mini.iso                                                     31-Jul-2021 07:20   85M  
[   ] initrd.gz                                                    31-Jul-2021 07:20   22M  
[DIR] gtk/                                                         31-Jul-2021 07:20    -   
[   ] boot.scr                                                     31-Jul-2021 07:20  1.5K  
[DIR] SD-card-images/                                              31-Jul-2021 07:20    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80