ftp.ntua.gr:/debian/dists/stretch-backports/contrib/source/by-hash/MD5Sum/?C=M&O=A 
Icon  Name                                                    Last modified      Size  
[DIR] Parent Directory                                                             -   
[   ] c95c6306ab28c03d34c0c3a8ee8f4b49                        18-Jun-2017 11:28  181   
[   ] f6a88d70f53d025cfcc18c29a90d6bbf                        16-Jul-2019 22:58  6.4K  
[   ] 1d95750d2bfc824d8a3a094bed288974                        28-Mar-2020 22:57  6.8K
Apache/2.2 Server at debian.noc.ntua.gr Port 80