ftp.ntua.gr:/debian/dists/stretch-backports/non-free/source/by-hash/SHA256/ 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 025c086d92dcf1603a18a18d08b99d4da7042449ca5928411835d50732749b2b 13-Jul-2020 16:57  8.2K  
[   ] 10e8697236fe4c17e9c5c539b7591a8eec76296e0abfbb7203d15de5c7b3cc9b 13-Jul-2020 16:57  9.1K  
[   ] 7ec5f78969fabd74db582155ff8b427abf9bc215128b0778d0df8d3958bd2b71 18-Jun-2017 11:28  182
Apache/2.2 Server at ftp.ntua.gr Port 80