ftp.ntua.gr:/debian/dists/buster-backports-sloppy/non-free/source/?C=M&O=A 
Icon  Name                                            Last modified      Size  
[DIR] Parent Directory                                                     -   
[   ] Sources.xz                                      02-Jun-2021 00:58   32   
[DIR] by-hash/                                        02-Jun-2021 00:58    -   
[   ] Release                                         14-Aug-2021 13:25  191
Apache/2.2 Server at ftp.ntua.gr Port 80