ftp.ntua.gr:/mirror/ubuntu/dists/groovy-backports/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] by-hash/                                         24-Apr-2020 16:55    -   
[DIR] main/                                            27-Apr-2020 11:43    -   
[DIR] multiverse/                                      27-Apr-2020 11:43    -   
[DIR] restricted/                                      27-Apr-2020 11:43    -   
[DIR] universe/                                        21-Nov-2020 18:28    -   
[   ] Release.gpg                                      14-May-2021 09:23  819   
[   ] Contents-i386.gz                                 17-Mar-2021 06:17  2.2K  
[   ] Contents-amd64.gz                                17-Mar-2021 06:17  3.9K  
[   ] Release                                          14-May-2021 09:23   98K  
[   ] InRelease                                        14-May-2021 09:23   98K
Apache/2.2 Server at ftp.ntua.gr Port 80