ftp.ntua.gr:/ubuntu/dists/focal-security/universe/source/by-hash/SHA256/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 27fb778d63c1849283bc65916bf1e96035a8af2d1d342..> 18-Oct-2019 13:50  109   
[   ] 54c4ff22ce4eeef079aa8333f1004b664c93c86d15533..> 12-May-2021 05:22   53K  
[   ] cc507436cd9d36392bb3b4ee7104af89d8c1147cabfd9..> 12-May-2021 05:22   67K
Apache/2.2 Server at ftp.ntua.gr Port 80