ftp.ntua.gr:/ubuntu/dists/focal-updates/main/installer-amd64/?C=D&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         01-Feb-2021 10:23    -   
[DIR] 20101020ubuntu614.3/                             01-Feb-2021 10:23    -   
[DIR] 20101020ubuntu614.1/                             30-Jul-2020 02:18    -
Apache/2.2 Server at ftp.ntua.gr Port 80