ftp.ntua.gr:/debian/dists/buster-backports/main/debian-installer/binary-all/by-hash/SHA256/?C=S&O=A 
Icon  Name                                                                     Last modified      Size  
[DIR] Parent Directory                                                                              -   
[   ] a7ccff1bdfb32321018a22891766acd09343b6a0282faaec441144a050f6d1dc         14-Jul-2019 11:26  174   
[   ] 7b5ad01876eedb29876490c903974c84da178fe7be22a33dadf8594168cffb68         01-Sep-2020 17:08  576
Apache/2.2 Server at debian.noc.ntua.gr Port 80