ftp.ntua.gr:/debian/dists/oldstable-backports/contrib/debian-installer/binary-s390x/?C=N&O=A 
Icon  Name                                                        Last modified      Size  
[DIR] Parent Directory                                                                 -   
[   ] Packages.xz                                                 07-Jul-2019 16:52   32   
[   ] Release                                                     30-Aug-2019 11:21  181   
[DIR] by-hash/                                                    07-Jul-2019 17:21    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80