ftp.ntua.gr:/debian/dists/bullseye-backports/main/debian-installer/binary-s390x/?C=N&O=D 
Icon  Name                                                    Last modified      Size  
[DIR] Parent Directory                                                             -   
[DIR] by-hash/                                                07-Jul-2019 17:21    -   
[   ] Release                                                 30-Aug-2019 11:21  178   
[   ] Packages.xz                                             11-Sep-2021 05:16  1.0K
Apache/2.2 Server at debian.noc.ntua.gr Port 80