ftp.ntua.gr:/mirror/ubuntu/dists/focal/universe/debian-installer/binary-amd64/by-hash/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] SHA256/                                          23-Apr-2020 08:59    -
Apache/2.2 Server at ftp.ntua.gr Port 80