ftp.ntua.gr:/debian/dists/buster-backports/main/binary-all/?C=M&O=D 
Icon  Name                                 Last modified      Size  
[DIR] Parent Directory                                          -   
[   ] Packages.xz                          10-Sep-2021 22:58  235K  
[DIR] by-hash/                             07-Apr-2019 23:16    -   
[   ] Release                              07-Apr-2019 23:16  174
Apache/2.2 Server at ftp.grnet.gr Port 80