ftp.ntua.gr:/debian/dists/bullseye/main/installer-armhf/20210731/images/u-boot/Wandboard/?C=N&O=A 
Icon  Name                                                                Last modified      Size  
[DIR] Parent Directory                                                                         -   
[   ] SPL.gz                                                              31-Jul-2021 07:20   30K  
[   ] Wandboard.sdcard.img.gz                                             31-Jul-2021 07:20  318K  
[   ] u-boot.img.gz                                                       31-Jul-2021 07:20  287K
Apache/2.2 Server at debian.noc.ntua.gr Port 80