ftp.ntua.gr:/debian/dists/Debian9.13/non-free/by-hash/?C=M&O=A 
Icon  Name                               Last modified      Size  
[DIR] Parent Directory                                        -   
[DIR] MD5Sum/                            20-Jul-2020 02:00    -   
[DIR] SHA256/                            20-Jul-2020 02:00    -
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