ftp.ntua.gr:/debian/dists/oldoldstable/main/installer-armhf/20190702+deb10u10/images/u-boot/Firefly-RK3288/?C=M&O=D 
Icon  Name                                                                             Last modified      Size  
[DIR] Parent Directory                                                                                      -   
[   ] u-boot.rksd.gz                                                                   16-Jun-2021 22:17  265K  
[   ] Firefly-RK3288.sdcard.img.gz                                                     16-Jun-2021 22:17  265K
Apache/2.2 Server at debian.noc.ntua.gr Port 80