ftp.ntua.gr:/debian/dists/stretch/contrib/debian-installer/binary-all/by-hash/MD5Sum/?C=N&O=A 
Icon  Name                                                               Last modified      Size  
[DIR] Parent Directory                                                                        -   
[   ] 4a4dd3598707603b3f76a2378a4504aa                                   19-Jun-2017 23:59   20   
[   ] 5d516ac1111e7e3fd5422a4f5e2238da                                   14-Aug-2021 10:42  123   
[   ] 8dc5aea5b03dff8595f096f9e368e888                                   18-Jun-2017 11:11   32
Apache/2.2 Server at debian.noc.ntua.gr Port 80