ftp.ntua.gr:/debian/dists/stretch-backports/contrib/binary-all/by-hash/MD5Sum/?C=M&O=A 
Icon  Name                                                        Last modified      Size  
[DIR] Parent Directory                                                                 -   
[   ] 71a97ff308c8fede9213c9bbbed42a4e                            18-Jun-2017 11:28  178   
[   ] 65f21e83106f89ffa9d271d403da6a69                            11-Sep-2020 16:57  5.1K  
[   ] c428a405d8f0aa1ad75c70bc2c4edda3                            11-Sep-2020 16:57  4.8K
Apache/2.2 Server at debian.noc.ntua.gr Port 80