ftp.ntua.gr:/ubuntu/dists/focal-updates/restricted/source/by-hash/SHA256/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] e257b63f07dfa81a5d39d66a3294b45246a85c9dded83..> 11-May-2021 20:34   17K  
[   ] 179c3e364fda4d93e1f69fba74ce81b54b9a25afcab39..> 18-Oct-2019 13:50  110   
[   ] 03b44f739a54e0282f4deea511e219323cfd4f79a58a4..> 11-May-2021 20:34   14K
Apache/2.2 Server at ftp.ntua.gr Port 80