Using network connection with TLSv1.2



  • Hi
    I am trying to use encrypted http links (https) with QNetworkAccessManager. It seems that only when using TLS v1.0 the connection works:

    @ QNetworkRequest request(url);
    QSslConfiguration config = request.sslConfiguration();
    config.setProtocol(QSsl::TlsV1_0);
    //config.setProtocol(QSsl::TlsV1_2);//TODO: not working
    request.setSslConfiguration(config);@

    while TLS v1.2 does not. This page http://qt-project.org/doc/qt-5/qssl.html#SslProtocol-enum shows that TLS v1.2 is available, could you explain why it does not work ?



  • On what machine are you trying to use TLS v1.2 ?

    On OSX, Qt uses /usr/lib/libssl.0.9.8.dylib which does not support TLS v 1.1 and 1.2 . You might try to upgrade OpenSSL on your Mac, and you might need to compile your own Qt SDK.


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