ftp.ntua.gr:/ubuntu/dists/xenial-security/main/debian-installer/binary-amd64/by-hash/SHA256/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 4e8a0d0e4a0834f6b9a4366185837ec953f43340f58ab..> 29-Apr-2021 14:28  1.1M  
[   ] 6417ed3e5f5ee4b93c15b2816496877a6d559601aa227..> 13-May-2021 22:02  1.1M  
[   ] ca8824f7747018dfdec7ec67a74d700e7260f10bc0794..> 13-May-2021 22:02  1.4M  
[   ] f888ed6c2e19b50d70b78d9dd9e7b5e6c46fb7b975d93..> 29-Apr-2021 14:28  1.4M
Apache/2.2 Server at ftp.ntua.gr Port 80