ftp.ntua.gr:/ubuntu/dists/bionic-backports/universe/source/by-hash/SHA256/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] a2e7b857c377e2f8889c66a8d41d6b287ff841d49e9ec..> 30-Sep-2020 03:24  5.6K  
[   ] cd8c80f6e52772a8c33b688656b5174ea31aa3394dd1d..> 25-Oct-2017 02:16  111   
[   ] ec818ef0fd63d9e516466d368b386681554d4c9890989..> 30-Sep-2020 03:24  5.2K
Apache/2.2 Server at ftp.ntua.gr Port 80