ftp.ntua.gr:/debian/dists/stretch-updates/main/debian-installer/binary-powerpc/?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   92
Apache/2.2 Server at debian.noc.ntua.gr Port 80