ftp.ntua.gr:/ubuntu/dists/bionic-security/main/signed/linux-gcp-5.3-amd64/current/ 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] SHA256SUMS                                       28-Jul-2020 14:37   80   
[   ] SHA256SUMS.gpg                                   28-Jul-2020 14:37  819   
[   ] signed.tar.gz                                    28-Jul-2020 14:37   17M
Apache/2.2 Server at ftp.ntua.gr Port 80