ftp.ntua.gr:/debian/dists/buster-backports/main/debian-installer/binary-armel/?C=M&O=D 
Icon  Name                                                  Last modified      Size  
[DIR] Parent Directory                                                           -   
[   ] Packages.xz                                           18-Aug-2021 16:58  7.3K  
[DIR] by-hash/                                              07-Apr-2019 23:17    -   
[   ] Release                                               07-Apr-2019 23:17  176
Apache/2.2 Server at debian.noc.ntua.gr Port 80