ftp.ntua.gr:/ubuntu/dists/xenial-security/main/signed/linux-azure-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         16-Apr-2021 00:21    -   
[DIR] 4.15.0-1113.126~16.04.1/                         16-Apr-2021 00:21    -   
[DIR] 4.15.0-1112.124~16.04.1/                         15-Apr-2021 22:03    -   
[DIR] 4.15.0-1111.123~16.04.1/                         25-Mar-2021 13:18    -
Apache/2.2 Server at ftp.ntua.gr Port 80