ftp.ntua.gr:/debian/dists/stretch-backports/main/debian-installer/binary-s390x/ 
Icon  Name                                                   Last modified      Size  
[DIR] Parent Directory                                                            -   
[   ] Packages.gz                                            16-Oct-2020 17:00  7.6K  
[   ] Packages.xz                                            16-Oct-2020 17:00  6.9K  
[   ] Release                                                18-Jun-2017 11:28  177   
[DIR] by-hash/                                               17-Jun-2017 14:56    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80