ftp.ntua.gr:/ubuntu/dists/xenial-security/restricted/binary-amd64/by-hash/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] SHA256/                                          30-Sep-2020 23:08    -
Apache/2.2 Server at ftp.ntua.gr Port 80