ftp.ntua.gr:/ubuntu/dists/xenial-security/main/debian-installer/binary-amd64/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Packages.gz                                      14-May-2021 09:23  1.4M  
[   ] Packages.xz                                      14-May-2021 09:23  1.1M  
[DIR] by-hash/                                         24-Apr-2016 23:49    -
Apache/2.2 Server at ftp.ntua.gr Port 80