ftp.ntua.gr:/debian/dists/jessie-updates/non-free/source/by-hash/SHA256/?C=S&O=D 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] fee3350c6144bf5e875b1a10987181936b040b71aa7134584c13d016206ce0e2 08-Jul-2019 20:58  122   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec 08-Jul-2019 20:56   20
Apache/2.2 Server at ftp.ntua.gr Port 80