ftp.ntua.gr:/debian/dists/stretch/non-free/binary-all/by-hash/SHA256/?C=N&O=D 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] cda041c8c0bc7a1e6543fdceecc1e868abbcd16d7b5830c5053e543044ab1046 18-Jul-2020 13:40   49K  
[   ] 8ab7d386ce764ed278c90846e47593f9d783b60c84927c7ed9a22136e74c702e 18-Jul-2020 13:40   42K  
[   ] 06a9498a2de4bbc3e167cc27289a3bef8cbe72cc42a2d7246ccde50528122558 14-Aug-2021 10:42  124
Apache/2.2 Server at debian.noc.ntua.gr Port 80