ftp.ntua.gr:/mirror/ubuntu/dists/bionic-backports/multiverse/binary-amd64/by-hash/SHA256/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 1ecf8ede6a1ae61b641204572f1da419db07863163992..> 25-Oct-2017 02:16   64   
[   ] 872098d6e979269d0cdaa6459e5bdef8a2966f66601de..> 25-Oct-2017 02:16  112   
[   ] e7ab72b8f37c7c9c9f6386fb8e3dfa40bf6fe4b678767..> 25-Oct-2017 02:16   40
Apache/2.2 Server at ftp.ntua.gr Port 80