* @param request the HTTP request
     * @return the client IP address
     */
    public String getClientIp(final HttpServletRequest request) {
        final String remoteAddr = request.getRemoteAddr();

        // Only trust proxy headers if the request comes from a trusted proxy
        if (isTrustedProxy(remoteAddr)) {
            final String xForwardedFor = request.getHeader("X-Forwarded-For");