ftp.ntua.gr:/debian/dists/stretch-backports-sloppy/contrib/binary-armhf/by-hash/SHA256/?C=N&O=D 
Icon  Name                                                                 Last modified      Size  
[DIR] Parent Directory                                                                          -   
[   ] 23f8b0a865035c73920a6c402905291b5c3ffdad2ff0cc84a663c3c66cfd3e2b     30-Aug-2019 11:21  187   
[   ] 22cd24f703b67d8a24272b7dc222a161f1e5b7a8871a260c05c7ae873279d4dc     21-Jul-2019 23:19  2.1K
Apache/2.2 Server at debian.noc.ntua.gr Port 80