ftp.ntua.gr:/debian/dists/Debian11.7/main/installer-armhf/20210731/images/u-boot/Firefly-RK3288/ 
Icon  Name                                                                  Last modified      Size  
[DIR] Parent Directory                                                                           -   
[   ] Firefly-RK3288.sdcard.img.gz                                          31-Jul-2021 07:20  315K  
[   ] idbloader.img.gz                                                      31-Jul-2021 07:20   32K  
[   ] u-boot.img.gz                                                         31-Jul-2021 07:20  273K
Apache/2.2 Server at ftp.ntua.gr Port 80