ftp.ntua.gr:/ubuntu/dists/focal/main/signed/linux-gcp-amd64/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] 5.4.0-1007.7/                                    04-Apr-2020 12:13    -   
[DIR] 5.4.0-1008.8/                                    10-Apr-2020 09:08    -   
[DIR] 5.4.0-1009.9/                                    14-Apr-2020 21:28    -   
[DIR] current/                                         14-Apr-2020 21:28    -
Apache/2.2 Server at ftp.ntua.gr Port 80