ftp.ntua.gr:/debian/project/experimental/non-free/debian-installer/binary-armhf/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                                         Last modified      Size  
[DIR] Parent Directory                                                                                  -   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275             18-Jun-2017 11:11   32   
[   ] 6a9a337be83c5d0561559d104810999c51405b541540b8ed7bf38bedf2e8dfdf             18-Jun-2017 11:28  130
Apache/2.2 Server at debian.noc.ntua.gr Port 80