ftp.ntua.gr:/debian/dists/bullseye-backports-sloppy/non-free/binary-amd64/?C=M&O=D 
Icon  Name                                              Last modified      Size  
[DIR] Parent Directory                                                       -   
[   ] Packages.xz                                       15-Aug-2021 10:45   32   
[DIR] by-hash/                                          14-Aug-2021 13:52    -   
[   ] Release                                           14-Aug-2021 13:52  187
Apache/2.2 Server at debian.noc.ntua.gr Port 80