ftp.ntua.gr:/mirror/ubuntu/dists/bionic-security/main/signed/linux-dell300x-amd64/4.15.0-1017.21/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] signed.tar.gz                                    17-Apr-2021 09:33   15M  
[   ] SHA256SUMS.gpg                                   17-Apr-2021 09:33  819   
[   ] SHA256SUMS                                       17-Apr-2021 09:33   80
Apache/2.2 Server at ftp.ntua.gr Port 80