ftp.ntua.gr:/ubuntu/dists/focal/main/dist-upgrader-all/current/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] focal.tar.gz.gpg                                 08-Apr-2020 23:53  1.5K  
[   ] focal.tar.gz                                     08-Apr-2020 23:53  1.3M  
[TXT] ReleaseAnnouncement.html                         08-Apr-2020 23:53  2.6K  
[TXT] ReleaseAnnouncement                              08-Apr-2020 23:53  1.7K  
[TXT] EOLReleaseAnnouncement.html                      08-Apr-2020 23:53  2.9K  
[TXT] EOLReleaseAnnouncement                           08-Apr-2020 23:53  2.0K  
[TXT] DevelReleaseAnnouncement.html                    08-Apr-2020 23:53  2.4K  
[TXT] DevelReleaseAnnouncement                         08-Apr-2020 23:53  1.6K
Apache/2.2 Server at ftp.ntua.gr Port 80