ftp.ntua.gr:/debian/dists/stretch/main/installer-armhf/current/images/u-boot/BananaPi/?C=M&O=D 
Icon  Name                                                              Last modified      Size  
[DIR] Parent Directory                                                                       -   
[   ] u-boot-sunxi-with-spl.bin.gz                                      12-Jul-2020 20:49  224K  
[   ] BananaPi.sdcard.img.gz                                            12-Jul-2020 20:49  224K
Apache/2.2 Server at debian.noc.ntua.gr Port 80