ftp.ntua.gr:/mirror/ubuntu/dists/groovy-proposed/main/signed/linux-5.7-amd64/5.7.0-15.16/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] signed.tar.gz                                    08-Jul-2020 08:33   43M  
[   ] SHA256SUMS.gpg                                   08-Jul-2020 08:33  819   
[   ] SHA256SUMS                                       08-Jul-2020 08:33   80
Apache/2.2 Server at ftp.ntua.gr Port 80