ftp.ntua.gr:/debian/dists/stable/main/installer-armhf/20230515/images/u-boot/Firefly-RK3288/?C=N&O=D 
Icon  Name                                                              Last modified      Size  
[DIR] Parent Directory                                                                       -   
[   ] u-boot.img.gz                                                     15-May-2023 06:33  297K  
[   ] idbloader.img.gz                                                  15-May-2023 06:33   33K  
[   ] Firefly-RK3288.sdcard.img.gz                                      15-May-2023 06:33  339K
Apache/2.2 Server at debian.noc.ntua.gr Port 80