ftp.ntua.gr:/debian/dists/stretch-updates/non-free/debian-installer/binary-armhf/?C=S&O=A 
Icon  Name                                                     Last modified      Size  
[DIR] Parent Directory                                                              -   
[DIR] by-hash/                                                 22-Feb-2017 22:30    -   
[   ] Packages.gz                                              19-Jun-2017 23:59   20   
[   ] Packages.xz                                              18-Jun-2017 11:11   32   
[   ] Release                                                  18-Jun-2017 11:28   94
Apache/2.2 Server at debian.noc.ntua.gr Port 80