ftp.ntua.gr:/debian/zzz-dists/buster-backports/?C=N&O=D 
Icon  Name                    Last modified      Size  
[DIR] Parent Directory                             -   
[   ] Release.gpg             14-Sep-2021 05:11  1.6K  
[TXT] Release                 14-Sep-2021 05:11   44K  
[TXT] InRelease               14-Sep-2021 05:12   46K
Apache/2.2 Server at debian.noc.ntua.gr Port 80