ftp.ntua.gr:/debian/dists/sid/non-free/debian-installer/binary-all/by-hash/SHA256/ 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275 18-Jun-2017 11:11   32   
[   ] 51d50056fc0cb0e4394cad60c703bdac7c1a8643df381e7d011347be4b3ba13b 18-Jun-2017 11:28  106   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec 19-Jun-2017 23:59   20
Apache/2.2 Server at ftp.ntua.gr Port 80