ftp.ntua.gr:/debian/dists/stretch-backports/?C=S&O=D 
Icon  Name                    Last modified      Size  
[DIR] Parent Directory                             -   
[TXT] InRelease               14-Sep-2021 05:12   90K  
[TXT] Release                 14-Sep-2021 05:11   88K  
[   ] Release.gpg             14-Sep-2021 05:12  1.6K  
[DIR] non-free/               27-May-2022 05:23    -   
[DIR] main/                   27-May-2022 05:23    -   
[DIR] contrib/                27-May-2022 05:23    -
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