ftp.ntua.gr:/debian/dists/stable/main/installer-armhf/20220917/images/u-boot/Firefly-RK3288/?C=M&O=D 
Icon  Name                                                              Last modified      Size  
[DIR] Parent Directory                                                                       -   
[   ] u-boot.img.gz                                                     17-Sep-2022 22:54  285K  
[   ] idbloader.img.gz                                                  17-Sep-2022 22:54   33K  
[   ] Firefly-RK3288.sdcard.img.gz                                      17-Sep-2022 22:54  327K
Apache/2.2 Server at debian.noc.ntua.gr Port 80