ftp.ntua.gr:/ubuntu/dists/hirsute/main/signed/shim-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         14-Apr-2021 12:38    -   
[DIR] 15.4-0ubuntu1/                                   14-Apr-2021 12:38    -
Apache/2.2 Server at ftp.ntua.gr Port 80