ftp.ntua.gr:/ubuntu/dists/focal-security/restricted/binary-amd64/by-hash/SHA256/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] f2ed28339d6bffbd878174b84d884c316548a5a16f9da..> 18-Oct-2019 13:50  110   
[   ] 1a4d86585e143d805b1cefd775edd4ba02e8fffc667e5..> 12-May-2021 11:58  198K  
[   ] 81e0242015300a45da236dcb805676070b39b1e82467b..> 12-May-2021 11:58  260K
Apache/2.2 Server at ftp.ntua.gr Port 80