ftp.ntua.gr:/ubuntu/dists/focal-security/main/signed/linux-oem-5.6-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         12-May-2021 12:18    -   
[DIR] 5.6.0-1056.60/                                   12-May-2021 12:18    -   
[DIR] 5.6.0-1055.59/                                   20-Apr-2021 14:23    -   
[DIR] 5.6.0-1054.58/                                   16-Apr-2021 00:18    -
Apache/2.2 Server at ftp.ntua.gr Port 80