ftp.ntua.gr:/ubuntu/dists/focal-proposed/main/signed/linux-amd64/5.4.0-74.83/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] SHA256SUMS                                       13-May-2021 12:36   80   
[   ] SHA256SUMS.gpg                                   13-May-2021 12:36  1.5K  
[   ] signed.tar.gz                                    13-May-2021 12:36   37M
Apache/2.2 Server at ftp.ntua.gr Port 80