ftp.ntua.gr:/debian/dists/Debian9.13/main/installer-ppc64el/current/images/netboot/?C=S&O=D 
Icon  Name                                                            Last modified      Size  
[DIR] Parent Directory                                                                     -   
[   ] mini.iso                                                        12-Jul-2020 20:49   41M  
[   ] netboot.tar.gz                                                  12-Jul-2020 20:49   23M  
[DIR] debian-installer/                                               12-Jul-2020 20:49    -
Apache/2.2 Server at ftp.ntua.gr Port 80