ftp.ntua.gr:/debian/dists/stretch-backports/contrib/binary-s390x/by-hash/SHA256/?C=N&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 0ad2784c0b59dc35954b55653c45a92e5368acf0a5e5a2f4a96fd9c386557f52 18-Jun-2017 11:28  180   
[   ] 565cffc2afef9ba4d06970650605da3100360248cc3df782f0e7a37c22e87d60 11-Sep-2020 16:57  7.9K  
[   ] 6f9cc426512048412bb50627ff5993cafc27482ae177eb487bac5af82ea08cae 11-Sep-2020 16:57  7.3K
Apache/2.2 Server at debian.noc.ntua.gr Port 80