ftp.ntua.gr:/debian/dists/buster-backports/contrib/debian-installer/binary-all/by-hash/SHA256/ 
Icon  Name                                                                        Last modified      Size  
[DIR] Parent Directory                                                                                 -   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275            14-Jul-2019 10:58   32   
[   ] 0cfbd28ce98ff8139b0badaa1bb348b02d91497784cfcc9ed92de5a8fb520e66            14-Jul-2019 11:26  177
Apache/2.2 Server at debian.noc.ntua.gr Port 80