ftp.ntua.gr:/ubuntu/dists/bionic-backports/ 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Contents-amd64.gz                                14-Jul-2020 07:38   57K  
[   ] Contents-i386.gz                                 14-Jul-2020 07:38   57K  
[   ] InRelease                                        14-May-2021 09:23   73K  
[   ] Release                                          14-May-2021 09:23   72K  
[   ] Release.gpg                                      14-May-2021 09:23  819   
[DIR] by-hash/                                         25-Oct-2017 12:04    -   
[DIR] main/                                            25-Oct-2017 01:44    -   
[DIR] multiverse/                                      25-Oct-2017 01:44    -   
[DIR] restricted/                                      25-Oct-2017 01:44    -   
[DIR] universe/                                        01-Jun-2018 13:58    -
Apache/2.2 Server at ftp.ntua.gr Port 80