ftp.ntua.gr:/debian/dists/stretch-backports/main/source/Sources.diff/by-hash/SHA256/?C=N&O=D 
Icon  Name                                                              Last modified      Size  
[DIR] Parent Directory                                                                       -   
[   ] d20f5b2f8966ba1c736a0b0c80f993851704b58946c5ae9b330950a03a622b8c  06-Oct-2021 23:10   27K  
[   ] b17305c289e8ce456ce01e8dc62f69c2663f37dcd359d88bda4c75afb9a1f044  09-Dec-2020 10:05   27K
Apache/2.2 Server at ftp.ntua.gr Port 80