ftp.ntua.gr:/debian/dists/Debian9.13/main/installer-amd64/20170615/images/netboot/?C=S&O=D 
Icon  Name                                                           Last modified      Size  
[DIR] Parent Directory                                                                    -   
[   ] mini.iso                                                       15-Jun-2017 11:34   39M  
[   ] netboot.tar.gz                                                 15-Jun-2017 11:34   28M  
[   ] pxelinux.0                                                     15-Jun-2017 11:34   41K  
[DIR] xen/                                                           15-Jun-2017 23:55    -   
[DIR] pxelinux.cfg/                                                  15-Jun-2017 11:34    -   
[DIR] gtk/                                                           15-Jun-2017 23:55    -   
[DIR] debian-installer/                                              15-Jun-2017 11:34    -
Apache/2.2 Server at ftp.ntua.gr Port 80