ftp.ntua.gr:/ubuntu/dists/groovy-backports/restricted/cnf/by-hash/SHA256/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 2bda2bc035481a0859d7e5ddf902d515b93d3b5ffabb9..> 27-Apr-2020 11:37  116   
[   ] 442e4e3f283f0b090127fa4ccbb3793063edbc313651e..> 27-Apr-2020 11:37  116   
[   ] 91485bfb38889a6c3676915968b5d5b92618694a25426..> 27-Apr-2020 11:37  116   
[   ] e67b98288073291c00704009b806f11667d20a5358950..> 27-Apr-2020 11:37  116   
[   ] ea46181f7f16e9f506276858cf4cd6f24a0969dd11e54..> 27-Apr-2020 11:37  116   
[   ] 1dd6656225ba78457f458c377b6dc08592ce5a8c98e4e..> 27-Apr-2020 11:37  120   
[   ] 9b881999581a0fa6ae5382ecdfa56ea50f6d2938babe2..> 23-Nov-2020 12:25  120
Apache/2.2 Server at ftp.ntua.gr Port 80