ftp.ntua.gr:/debian/dists/stretch-updates/non-free/debian-installer/binary-ppc64el/by-hash/MD5Sum/?C=S&O=A 
Icon  Name                                                                            Last modified      Size  
[DIR] Parent Directory                                                                                     -   
[   ] 4a4dd3598707603b3f76a2378a4504aa                                                19-Jun-2017 23:59   20   
[   ] 8dc5aea5b03dff8595f096f9e368e888                                                18-Jun-2017 11:11   32   
[   ] 3900f959813302dd9d48c0ac70eb1b1c                                                18-Jun-2017 11:28   96
Apache/2.2 Server at debian.noc.ntua.gr Port 80