ftp.ntua.gr:/debian/dists/buster-backports/contrib/debian-installer/binary-all/?C=N&O=D 
Icon  Name                                                     Last modified      Size  
[DIR] Parent Directory                                                              -   
[DIR] by-hash/                                                 14-Jul-2019 11:26    -   
[   ] Release                                                  14-Jul-2019 11:26  177   
[   ] Packages.xz                                              14-Jul-2019 10:58   32
Apache/2.2 Server at debian.noc.ntua.gr Port 80