ftp.ntua.gr:/ubuntu/dists/hirsute-proposed/main/signed/shim-amd64/15.4-0ubuntu1/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] signed.tar.gz                                    13-Apr-2021 13:43  1.5M  
[   ] SHA256SUMS.gpg                                   13-Apr-2021 13:43  819   
[   ] SHA256SUMS                                       13-Apr-2021 13:43   80
Apache/2.2 Server at ftp.ntua.gr Port 80