ftp.ntua.gr:/debian/dists/unstable/main/installer-amd64/20190623/images/netboot/?C=N&O=D 
Icon  Name                                                         Last modified      Size  
[DIR] Parent Directory                                                                  -   
[DIR] xen/                                                         23-Jun-2019 22:53    -   
[DIR] pxelinux.cfg/                                                23-Jun-2019 22:53    -   
[   ] pxelinux.0                                                   23-Jun-2019 22:53   41K  
[   ] netboot.tar.gz                                               23-Jun-2019 22:53   35M  
[   ] mini.iso                                                     23-Jun-2019 22:53   48M  
[DIR] gtk/                                                         23-Jun-2019 22:53    -   
[DIR] debian-installer/                                            23-Jun-2019 22:53    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80