ftp.ntua.gr:/ubuntu/dists/focal-security/restricted/source/by-hash/SHA256/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] e79dc84b22d40c728ab43de6c1867d10a58a7970e4a6d..> 18-Oct-2019 13:50  111   
[   ] 138bc12aecc5657e80963c46000e917c33e39a4847f43..> 12-May-2021 11:58   15K  
[   ] 415e964d662249e85def01840fb38e8ae70e34c045b3a..> 12-May-2021 11:58   13K
Apache/2.2 Server at ftp.ntua.gr Port 80