ftp.ntua.gr:/debian/dists/jessie-updates/main/source/by-hash/SHA256/?C=M&O=D 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 76f0341f815f480548415ac1b3b4d0a9019b2af0f3842dbfae6ca24d6d8a6ab1 08-Jul-2019 20:58  118   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec 08-Jul-2019 20:56   20
Apache/2.2 Server at ftp.ntua.gr Port 80