ftp.ntua.gr:/mirror/ubuntu/dists/groovy/main/signed/linux-azure-amd64/current/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] SHA256SUMS                                       20-Oct-2020 14:33   80   
[   ] SHA256SUMS.gpg                                   20-Oct-2020 14:33  819   
[   ] signed.tar.gz                                    20-Oct-2020 14:33   19M
Apache/2.2 Server at ftp.ntua.gr Port 80