ftp.ntua.gr:/ubuntu/dists/xenial-proposed/main/installer-amd64/current/images/netboot/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] boot.img.gz                                      30-Jul-2020 01:18   56M  
[   ] ldlinux.c32                                      30-Jul-2020 01:18  114K  
[   ] mini.iso                                         30-Jul-2020 01:18   68M  
[   ] netboot.tar.gz                                   30-Jul-2020 01:18   56M  
[   ] pxelinux.0                                       30-Jul-2020 01:18   42K  
[DIR] pxelinux.cfg/                                    30-Jul-2020 01:18    -   
[DIR] ubuntu-installer/                                30-Jul-2020 01:18    -   
[DIR] xen/                                             30-Jul-2020 01:18    -
Apache/2.2 Server at ftp.ntua.gr Port 80