ftp.ntua.gr:/debian/zzz-dists/stretch-backports/?C=M&O=A 
Icon  Name                    Last modified      Size  
[DIR] Parent Directory                             -   
[TXT] Release                 14-Sep-2021 05:11   88K  
[   ] Release.gpg             14-Sep-2021 05:12  1.6K  
[TXT] InRelease               14-Sep-2021 05:12   90K
Apache/2.2 Server at ftp.ntua.gr Port 80