ftp.ntua.gr:/ubuntu/dists/xenial-security/main/signed/linux-amd64/4.4.0-209.241/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] signed.tar.gz                                    16-Apr-2021 00:21   27M  
[   ] SHA256SUMS.gpg                                   16-Apr-2021 00:21  916   
[   ] SHA256SUMS                                       16-Apr-2021 00:21   80
Apache/2.2 Server at ftp.ntua.gr Port 80