ftp.ntua.gr:/debian/dists/stretch-backports/main/source/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 788a337f4e44064c753d3ee9e3d363c7f5d83f4018eb35cd4e287ad29b05b271 18-Jun-2017 11:28  178   
[   ] d551714cd3656b2b9df9ed6a347164ee79a92b65c1c0ed76fd23413312fd036c 09-Nov-2020 15:59  695K  
[   ] 1d127cf4458e694351196fd841bf299fb6cf308f194b471c04192bdf1ee05fef 09-Nov-2020 15:59  544K  
[   ] 7b40bd082391c20535a15aa6efd62dd505db4d9737cc2697f56b25a8ee62d610 06-Oct-2021 23:01  695K  
[   ] 8b3a01639e7e8dd6e0ae8b7dedd94eadae861d8bb3c955dc7519c92ecda92a4f 06-Oct-2021 23:01  544K
Apache/2.2 Server at ftp.ntua.gr Port 80