ftp.ntua.gr:/ubuntu/dists/bionic-security/main/signed/linux-gcp-edge-amd64/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] 5.0.0-1013.13~18.04.1/                           14-Aug-2019 08:48    -   
[DIR] current/                                         14-Aug-2019 08:48    -
Apache/2.2 Server at ftp.ntua.gr Port 80