ftp.ntua.gr:/mirror/ubuntu/dists/focal-backports/universe/source/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] by-hash/                                         18-Oct-2019 13:51    -   
[   ] Release                                          14-May-2021 09:23  110   
[   ] Sources.xz                                       14-May-2021 09:23  2.1K  
[   ] Sources.gz                                       14-May-2021 09:23  2.1K
Apache/2.2 Server at ftp.ntua.gr Port 80