ftp.ntua.gr:/debian/dists/jessie/main/debian-installer/binary-armhf/by-hash/SHA256/?C=N&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 2ab79e9a83060c7717b5fb5712ff044e514a61cb96c386cf7c9e0d609f5173ab 23-Jun-2018 12:21   63K  
[   ] 3d7ba8a29e8aaf110ac0ddc468d627cc8aa6f6d11690f58d27b69a4eea810c43 06-Jul-2019 12:01  101   
[   ] cfd31fb5ec190f9cd110e564622fdefedf83ee104c230e47b206c6f8c5e4dcb7 23-Jun-2018 12:21   53K
Apache/2.2 Server at debian.noc.ntua.gr Port 80