ftp.ntua.gr:/ubuntu/dists/groovy-security/multiverse/binary-amd64/by-hash/SHA256/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] c0031f8b3018c268f10d86d689458bbd4aa15f44392b0..> 24-Apr-2020 16:54  111   
[   ] 04fee15bcc01bbe6d2c924061a8b8f514522799b4c665..> 23-Apr-2021 22:53  7.9K  
[   ] 5aab42ff13e91d5899f489a6e2a89ea377b3288c999fd..> 23-Apr-2021 22:53   11K
Apache/2.2 Server at ftp.ntua.gr Port 80