ftp.ntua.gr:/ubuntu/dists/groovy-backports/multiverse/binary-i386/by-hash/SHA256/?C=M&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] e7ab72b8f37c7c9c9f6386fb8e3dfa40bf6fe4b678767..> 24-Apr-2020 16:55   40   
[   ] a5134db701de218ae1c589e861455b7e2c1a1c98b9a73..> 24-Apr-2020 16:55  111   
[   ] 1ecf8ede6a1ae61b641204572f1da419db07863163992..> 24-Apr-2020 16:55   64
Apache/2.2 Server at ftp.ntua.gr Port 80