ftp.ntua.gr:/ubuntu/dists/trusty-security/main/signed/linux-lts-xenial-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         16-May-2019 10:53    -   
[DIR] 4.4.0-148.174~14.04.1/                           16-May-2019 10:53    -
Apache/2.2 Server at ftp.ntua.gr Port 80