ftp.ntua.gr:/debian/dists/oldstable/main/installer-armhf/20210731+deb11u3/images/u-boot/PandaBoard/?C=N&O=D 
Icon  Name                                                                         Last modified      Size  
[DIR] Parent Directory                                                                                  -   
[   ] u-boot.img.gz                                                                22-Mar-2022 19:37  248K  
[   ] PandaBoard.sdcard.img.gz                                                     22-Mar-2022 19:37  275K  
[   ] MLO.gz                                                                       22-Mar-2022 19:37   25K
Apache/2.2 Server at ftp.grnet.gr Port 80