ftp.ntua.gr:/ubuntu/dists/groovy-security/main/signed/linux-amd64/?C=D&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         11-May-2021 23:39    -   
[DIR] 5.8.0-53.60/                                     11-May-2021 23:39    -   
[DIR] 5.8.0-50.56/                                     15-Apr-2021 23:33    -   
[DIR] 5.8.0-49.55/                                     15-Apr-2021 21:58    -
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