ftp.ntua.gr:/ubuntu/dists/hirsute-proposed/main/signed/shim-amd64/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] 15.4-0ubuntu1/                                   13-Apr-2021 13:43    -   
[DIR] 15.4-0ubuntu2/                                   06-May-2021 19:33    -   
[DIR] current/                                         06-May-2021 19:33    -
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