ftp.ntua.gr:/debian/dists/experimental/non-free/debian-installer/binary-arm64/by-hash/SHA256/?C=M&O=D 
Icon  Name                                                                       Last modified      Size  
[DIR] Parent Directory                                                                                -   
[   ] bcb4da85facf2793e987ba1f8d17bbb6d8b2ed06c5029362458e125b3edcbb90           18-Jun-2017 11:28  130   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275           18-Jun-2017 11:11   32
Apache/2.2 Server at debian.noc.ntua.gr Port 80