ftp.ntua.gr:/debian/dists/jessie-updates/contrib/binary-amd64/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec 08-Jul-2019 20:55   20   
[   ] 6a8085f8f24df3c0cd27533ed63717aa1ba9ead14d75d1d7285a9a52a59ab46c 08-Jul-2019 20:58  120
Apache/2.2 Server at ftp.ntua.gr Port 80