ftp.ntua.gr:/ubuntu/dists/focal/universe/binary-amd64/by-hash/SHA256/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 200acdc3421757fa8f8759c1cedacae2cf8f5821d7810..> 23-Apr-2020 20:34   11M  
[   ] 46a746dac789bd9537aca54db1680b9dff51c24815311..> 23-Apr-2020 20:34  8.2M  
[   ] 6968781deddfe594a5687a091f88a71a0dff32742838a..> 18-Oct-2019 13:50   99
Apache/2.2 Server at ftp.ntua.gr Port 80