ftp.ntua.gr:/ubuntu/dists/devel-backports/main/source/by-hash/SHA256/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 002b22eff9f30058e1bd2a27c2a796b13ad4f263d2728..> 23-Apr-2021 14:26  107   
[   ] 1ecf8ede6a1ae61b641204572f1da419db07863163992..> 23-Apr-2021 14:26   64   
[   ] e7ab72b8f37c7c9c9f6386fb8e3dfa40bf6fe4b678767..> 23-Apr-2021 14:26   40
Apache/2.2 Server at ftp.ntua.gr Port 80