ftp.ntua.gr:/debian/dists/unstable/main/installer-armhf/20210415/images/u-boot/NanoPiNeoAir/?C=M&O=D 
Icon  Name                                                                Last modified      Size  
[DIR] Parent Directory                                                                         -   
[   ] u-boot-sunxi-with-spl.bin.gz                                        15-Apr-2021 01:06  245K  
[   ] NanoPiNeoAir.sdcard.img.gz                                          15-Apr-2021 01:06  245K
Apache/2.2 Server at ftp.ntua.gr Port 80