ftp.ntua.gr:/ubuntu/dists/focal-proposed/main/signed/linux-amd64/5.4.0-71.79/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] signed.tar.gz                                    25-Mar-2021 22:49   37M  
[   ] SHA256SUMS.gpg                                   25-Mar-2021 22:49  1.5K  
[   ] SHA256SUMS                                       25-Mar-2021 22:49   80
Apache/2.2 Server at ftp.ntua.gr Port 80