@Override
    public int getOriginalPort() {
        return getOriginalPort(getContext(), getHeaders(), getPort());
    }
The originally request host. This will NOT include port.

The Host header may contain port, but in this method we strip it out for consistency - use the
getOriginalPort method for that.
zuul-core/src/main/java/com/netflix/zuul/message/http/HttpRequestMessageImpl.java