ftp.ntua.gr:/ubuntu/dists/hirsute-updates/main/signed/shim-amd64/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] 15.4-0ubuntu2/                                   13-May-2021 11:13    -   
[DIR] current/                                         13-May-2021 11:13    -
Apache/2.2 Server at ftp.ntua.gr Port 80