ftp.ntua.gr:/ubuntu/dists/bionic-security/universe/source/by-hash/SHA256/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 51056cfc1ec007f6b654956d38f293dc68ed31146176b..> 12-May-2021 05:23  338K  
[   ] 4c97ff13b7107f7ac1ccb72df51628577f8f059f41277..> 12-May-2021 05:23  271K  
[   ] 44c819b2e91bfa4af492d5a79744a8b7593975d5b81ea..> 25-Oct-2017 02:16  110
Apache/2.2 Server at ftp.ntua.gr Port 80