ftp.ntua.gr:/mirror/cygwin/x86_64/release/protobuf/libprotobuf28/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] libprotobuf28-3.17.3-1.tar.zst                   10-Jul-2021 20:15  1.5M  
[   ] libprotobuf28-3.17.1-1.tar.zst                   29-May-2021 13:52  1.5M  
[   ] sha512.sum                                       10-Jul-2021 20:44  638   
[   ] libprotobuf28-3.17.3-1.hint                      10-Jul-2021 20:15  260   
[   ] libprotobuf28-3.17.1-1.hint                      29-May-2021 13:52  260
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