ftp.ntua.gr:/ubuntu/dists/focal-updates/main/signed/linux-hwe-5.8-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         11-May-2021 20:14    -   
[DIR] 5.8.0-53.60~20.04.1/                             11-May-2021 20:14    -   
[DIR] 5.8.0-50.56~20.04.1/                             15-Apr-2021 20:25    -   
[DIR] 5.8.0-49.55~20.04.1/                             14-Apr-2021 17:41    -
Apache/2.2 Server at ftp.ntua.gr Port 80