This is what works for me.

class SslNetworkAccessManager : public QNetworkAccessManager
{
Q_OBJECT
public:
SslNetworkAccessManager();


protected:
QNetworkReply* createRequest(Operation op, const QNetworkRequest & req, QIODevice * outgoingData = 0);
};

And the implementation:


SslNetworkAccessManager::SslNetworkAccessManager()
{
}



QNetworkReply* SslNetworkAccessManager::createRequest(Operation op, const QNetworkRequest& req, QIODevice* outgoingData)
{
QNetworkReply* reply = QNetworkAccessManager::createRequest(op, req, outgoingData);
reply->ignoreSslErrors();
return reply;
}