ftp.ntua.gr:/debian/dists/jessie-updates/non-free/binary-amd64/by-hash/SHA256/?C=S&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec 08-Jul-2019 20:55   20   
[   ] aaefc5ddc40675898f443ccb777f61c5e9ae9a891176a40ce011e65b9dfe330e 08-Jul-2019 20:58  121
Apache/2.2 Server at debian.noc.ntua.gr Port 80