ftp.ntua.gr:/debian/dists/jessie-updates/main/binary-amd64/by-hash/SHA256/?C=N&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 7b03e051b273d939e639d3879d4704b6827953185a1724ec7461b9abe55ac6d8 08-Jul-2019 20:58  117   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec 08-Jul-2019 20:55   20
Apache/2.2 Server at debian.noc.ntua.gr Port 80