ftp.ntua.gr:/ubuntu/dists/xenial-backports/main/binary-amd64/by-hash/SHA256/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] e860276239736e8da5079ac2fa38141eebb60938e4909..> 19-May-2016 23:26  106   
[   ] 8d812c28601dc71305f288a2fb612f583ce96b90d90a0..> 30-Sep-2020 03:26   11K  
[   ] e43931ff41852bd6b692b514587248d7fbbd3473a87a6..> 30-Sep-2020 03:26  9.6K
Apache/2.2 Server at ftp.ntua.gr Port 80