ftp.ntua.gr:/debian/dists/stretch-backports/main/binary-s390x/by-hash/SHA256/?C=N&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 7429ef1d771c57f2898d1b88904103e5f2c9efe1f88ad7c84ab88aa91b958917 18-Jun-2017 11:28  177   
[   ] 866efc772ff1b8fa5a2b559d71125154723787dccf70485c079686aee0d92f3c 09-Nov-2020 15:59  545K  
[   ] 9090debf1f065d0152688f879b03c80fbdf01e880443e6d4cde2458f21d24439 09-Nov-2020 15:59  704K
Apache/2.2 Server at debian.noc.ntua.gr Port 80