ftp.ntua.gr:/ubuntu/dists/precise-updates/main/installer-amd64/current/images/trusty-netboot/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] xen/                                             22-Jul-2015 00:55    -   
[DIR] ubuntu-installer/                                22-Jul-2015 00:55    -   
[DIR] pxelinux.cfg/                                    22-Jul-2015 00:55    -   
[   ] pxelinux.0                                       22-Jul-2015 00:55   26K  
[   ] netboot.tar.gz                                   22-Jul-2015 00:55   25M  
[   ] mini.iso                                         22-Jul-2015 00:55   36M  
[DIR] gtk/                                             22-Jul-2015 00:55    -   
[   ] boot.img.gz                                      22-Jul-2015 00:55   25M
Apache/2.2 Server at ftp.ntua.gr Port 80