ftp.ntua.gr:/ubuntu/dists/bionic-updates/main/dist-upgrader-all/current/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] bionic.tar.gz.gpg                                22-Apr-2021 21:38  819   
[TXT] DevelReleaseAnnouncement                         22-Apr-2021 21:38  1.6K  
[TXT] ReleaseAnnouncement                              22-Apr-2021 21:38  1.7K  
[TXT] EOLReleaseAnnouncement                           22-Apr-2021 21:38  2.0K  
[TXT] DevelReleaseAnnouncement.html                    22-Apr-2021 21:38  2.4K  
[TXT] ReleaseAnnouncement.html                         22-Apr-2021 21:38  2.6K  
[TXT] EOLReleaseAnnouncement.html                      22-Apr-2021 21:38  2.9K  
[   ] bionic.tar.gz                                    22-Apr-2021 21:38  1.2M
Apache/2.2 Server at ftp.ntua.gr Port 80