ftp.ntua.gr:/debian/dists/stretch-backports-sloppy/non-free/debian-installer/binary-armhf/by-hash/SHA256/?C=N&O=A 
Icon  Name                                                                                   Last modified      Size  
[DIR] Parent Directory                                                                                            -   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275                       07-Jul-2019 16:52   32   
[   ] f2afa9913e6eb8801c657514f2d01083fd875c8cf9828765e2a69738cdb84ad2                       30-Aug-2019 11:21  188
Apache/2.2 Server at ftp.grnet.gr Port 80