ftp.ntua.gr:/ubuntu/dists/groovy-updates/main/signed/linux-amd64/current/ 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] SHA256SUMS                                       11-May-2021 20:14   80   
[   ] SHA256SUMS.gpg                                   11-May-2021 20:14  819   
[   ] signed.tar.gz                                    11-May-2021 20:14   44M
Apache/2.2 Server at ftp.ntua.gr Port 80