Jetpack_Protect_Module::log_failed_attempt PHP Method

    function log_failed_attempt()
    {
        /**
         * Fires before every failed login attempt.
         *
         * @module protect
         *
         * @since 3.4.0
         *
         * @param string jetpack_protect_get_ip IP stored by Protect.
         */
        do_action('jpp_log_failed_attempt', jetpack_protect_get_ip());
        if (isset($_COOKIE['jpp_math_pass'])) {
            $transient = $this->get_transient('jpp_math_pass_' . $_COOKIE['jpp_math_pass']);
            $transient--;
            if (!$transient || $transient < 1) {
                $this->delete_transient('jpp_math_pass_' . $_COOKIE['jpp_math_pass']);
                setcookie('jpp_math_pass', 0, time() - DAY_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, false);
            } else {
                $this->set_transient('jpp_math_pass_' . $_COOKIE['jpp_math_pass'], $transient, DAY_IN_SECONDS);
            }
        }
        $this->protect_call('failed_attempt');
    }