ftp.ntua.gr:/debian/dists/stretch-updates/non-free/binary-powerpc/by-hash/?C=N&O=D 
Icon  Name                                                   Last modified      Size  
[DIR] Parent Directory                                                            -   
[DIR] SHA256/                                                19-Jun-2017 03:00    -   
[DIR] MD5Sum/                                                19-Jun-2017 03:00    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80