ftp.ntua.gr:/ubuntu/dists/groovy-backports/main/cnf/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] by-hash/                                         27-Apr-2020 11:43    -   
[   ] Commands-i386.xz                                 27-Apr-2020 11:37  112   
[   ] Commands-amd64.xz                                27-Apr-2020 11:37  112
Apache/2.2 Server at ftp.ntua.gr Port 80