ftp.ntua.gr:/ubuntu/dists/xenial-backports/main/source/by-hash/SHA256/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] eea6727f780a00e4f1e04dfefc6048f2eab8e92126af9..> 30-Sep-2020 03:26  7.1K  
[   ] c4290ad4e8db626e10e1a49078c98db930b65b5ab7c92..> 19-May-2016 23:26  107   
[   ] 000642f91cf93d96d126778bfa9ef3c2eddbe42c55f9f..> 30-Sep-2020 03:26  6.6K
Apache/2.2 Server at ftp.ntua.gr Port 80