ftp.ntua.gr:/debian/dists/stretch-updates/non-free/by-hash/MD5Sum/?C=S&O=A 
Icon  Name                                            Last modified      Size  
[DIR] Parent Directory                                                     -   
[   ] 4a4dd3598707603b3f76a2378a4504aa                19-Jun-2017 23:59   20
Apache/2.2 Server at debian.noc.ntua.gr Port 80