ftp.ntua.gr:/mirror/ubuntu/dists/bionic-updates/main/signed/linux-oem-amd64/current/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] SHA256SUMS                                       02-Dec-2020 08:47   80   
[   ] SHA256SUMS.gpg                                   02-Dec-2020 08:47  819   
[   ] signed.tar.gz                                    02-Dec-2020 08:47   15M
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