ftp.ntua.gr:/debian/dists/sid/main/installer-armhf/20201202/images/u-boot/Firefly-RK3288/?C=S&O=A 
Icon  Name                                                           Last modified      Size  
[DIR] Parent Directory                                                                    -   
[   ] idbloader.img.gz                                               02-Dec-2020 15:30   32K  
[   ] u-boot.img.gz                                                  02-Dec-2020 15:30  273K  
[   ] Firefly-RK3288.sdcard.img.gz                                   02-Dec-2020 15:30  315K
Apache/2.2 Server at ftp.grnet.gr Port 80