ftp.ntua.gr:/ubuntu/dists/xenial/universe/binary-amd64/by-hash/SHA256/?C=M&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] d59324e59d14252ef10e976aea85f19d1d6251f24b752..> 22-Apr-2016 02:24  9.4M  
[   ] c8bc8c1425fef0712430d3991cf15ea96892aa5e13130..> 22-Apr-2016 02:24  7.2M  
[   ] 792db2625cede9d4d816b3bdfc18790475094d9867d4f..> 07-Apr-2016 13:43  100
Apache/2.2 Server at ftp.ntua.gr Port 80