ftp.ntua.gr:/debian/dists/stretch-backports/non-free/by-hash/MD5Sum/?C=N&O=A 
Icon  Name                                              Last modified      Size  
[DIR] Parent Directory                                                       -   
[   ] 0300748d90fb3b82362feeb83d79eae5                  28-Mar-2020 23:00   55K  
[   ] 2a185bcb39ba27677825af19f8f47717                  13-Jul-2020 17:02   61K  
[   ] 312d7adaca9744b8f26ecc6161d6b52f                  13-Jul-2020 17:02   67K  
[   ] 4a4dd3598707603b3f76a2378a4504aa                  19-Jun-2017 23:59   20   
[   ] 726e9868ea4926923c08999cdfbca1b4                  28-Mar-2020 23:00  103K  
[   ] aea65168c69240451e76c990134434c4                  13-Jul-2020 17:02  120K  
[   ] d0a6da97b088029686d134a0b6e61c89                  13-Jul-2020 11:00   57K
Apache/2.2 Server at debian.noc.ntua.gr Port 80