ftp.ntua.gr:/ubuntu/dists/focal-updates/main/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] uefi/                                            29-Jul-2020 22:38    -   
[DIR] source/                                          14-May-2021 09:12    -   
[DIR] signed/                                          12-May-2021 12:20    -   
[DIR] installer-amd64/                                 01-Feb-2021 10:23    -   
[DIR] i18n/                                            14-May-2021 09:11    -   
[DIR] dist-upgrader-all/                               22-Apr-2021 21:28    -   
[DIR] dep11/                                           14-May-2021 08:48    -   
[DIR] debian-installer/                                02-Apr-2020 09:18    -   
[DIR] cnf/                                             14-May-2021 01:27    -   
[DIR] binary-i386/                                     14-May-2021 09:12    -   
[DIR] binary-amd64/                                    14-May-2021 09:12    -
Apache/2.2 Server at ftp.ntua.gr Port 80