ftp.ntua.gr:/ubuntu/dists/bionic/universe/binary-amd64/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] by-hash/                                         25-Oct-2017 02:16    -   
[   ] Release                                          27-Apr-2018 02:38  100   
[   ] Packages.xz                                      27-Apr-2018 02:38  8.2M  
[   ] Packages.gz                                      27-Apr-2018 02:38   11M
Apache/2.2 Server at ftp.ntua.gr Port 80