ftp.ntua.gr:/debian/dists/stretch-proposed-updates/non-free/binary-all/by-hash/SHA256/?C=N&O=D 
Icon  Name                                                                Last modified      Size  
[DIR] Parent Directory                                                                         -   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec    18-Jul-2020 13:40   20   
[   ] d3a360aa01698b29b0924fcffd418646c12c9959bc52f275f86e65072b8e6daf    14-Aug-2021 16:55  127   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275    18-Jul-2020 13:40   32
Apache/2.2 Server at debian.noc.ntua.gr Port 80