ftp.ntua.gr:/ubuntu/dists/xenial-updates/restricted/source/by-hash/SHA256/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] dc145f2630578a1543cda47a4ef4a80725028634a0ef1..> 25-Apr-2016 00:09  111   
[   ] 18a1ca5ac54dd41b69a496be809c1af1fbb370845e83d..> 30-Sep-2020 03:26  3.5K  
[   ] c82e692af9e82a59a5cac6a554b1b18d9b959a29a5bd5..> 30-Sep-2020 03:26  3.8K
Apache/2.2 Server at ftp.ntua.gr Port 80