ftp.ntua.gr:/ubuntu/dists/focal-security/universe/binary-amd64/by-hash/SHA256/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] aef822a8db7f0514a974ed71b3515ad6053452a82d6e0..> 12-May-2021 20:25  552K  
[   ] e6d981bcf62d927ed1763643720c1e60a7fb7d8815116..> 18-Oct-2019 13:50  108   
[   ] f190be411dcdd37b9c724b61a88bf94d2983ccb75e807..> 12-May-2021 20:25  684K
Apache/2.2 Server at ftp.ntua.gr Port 80