ftp.ntua.gr:/debian/dists/buster/non-free/debian-installer/binary-s390x/?C=S&O=A 
Icon  Name                                            Last modified      Size  
[DIR] Parent Directory                                                     -   
[DIR] by-hash/                                        17-Jun-2017 14:57    -   
[   ] Packages.gz                                     19-Jun-2017 23:59   20   
[   ] Packages.xz                                     18-Jun-2017 11:11   32   
[   ] Release                                         14-Aug-2021 10:40  124
Apache/2.2 Server at debian.noc.ntua.gr Port 80