ftp.ntua.gr:/debian/dists/bullseye-updates/main/debian-installer/binary-all/?C=S&O=D 
Icon  Name                                                  Last modified      Size  
[DIR] Parent Directory                                                           -   
[   ] Release                                               14-Aug-2021 13:25  128   
[   ] Packages.xz                                           06-Jul-2019 14:13   32   
[DIR] by-hash/                                              06-Jul-2019 14:27    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80