ftp.ntua.gr:/mirror/ntop/ntopng/?C=N;O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] ntopng-2.4-stable.tar.gz                         27-Jun-2016 22:32  128M
Apache/2.2 Server at ftp.ntua.gr Port 80