ftp.ntua.gr:/debian/dists/stretch-backports-sloppy/main/debian-installer/binary-all/by-hash/SHA256/ 
Icon  Name                                                                             Last modified      Size  
[DIR] Parent Directory                                                                                      -   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275                 07-Jul-2019 16:52   32   
[   ] ec268ed7d665a4869f818242de4ed0fe3ebfb7ee60d8da4a913ea6b8564f89d5                 30-Aug-2019 11:21  182
Apache/2.2 Server at ftp.grnet.gr Port 80