ftp.ntua.gr:/ubuntu/dists/xenial-proposed/main/signed/linux-amd64/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] 4.4.0-207.239/                                   25-Mar-2021 14:48    -   
[DIR] 4.4.0-208.240/                                   02-Apr-2021 05:33    -   
[DIR] 4.4.0-210.242/                                   17-Apr-2021 09:03    -   
[DIR] current/                                         17-Apr-2021 09:03    -
Apache/2.2 Server at ftp.ntua.gr Port 80