ftp.ntua.gr:/mirror/cygwin/x86_64/release/protobuf/libprotobuf28/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] libprotobuf28-3.17.3-1.hint                      10-Jul-2021 20:15  260   
[   ] sha512.sum                                       29-May-2026 23:14  319   
[   ] libprotobuf28-3.17.3-1.tar.zst                   10-Jul-2021 20:15  1.5M
Apache/2.2 Server at ftp.grnet.gr Port 80