ftp.ntua.gr:/ubuntu/dists/xenial-backports/restricted/binary-amd64/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] by-hash/                                         19-May-2016 23:26    -   
[   ] Packages.gz                                      14-May-2021 09:23   40   
[   ] Packages.xz                                      14-May-2021 09:23   64   
[   ] Release                                          14-May-2021 09:23  112
Apache/2.2 Server at ftp.ntua.gr Port 80