ftp.ntua.gr:/ubuntu/dists/focal-backports/universe/binary-i386/?C=M&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Release                                          14-May-2021 09:23  108   
[   ] Packages.xz                                      14-May-2021 09:23  2.9K  
[   ] Packages.gz                                      14-May-2021 09:23  3.0K  
[DIR] by-hash/                                         18-Oct-2019 13:50    -
Apache/2.2 Server at ftp.ntua.gr Port 80