}

    /**
     * Validates a port number
     *
     * @param port the port number to validate
     * @throws IllegalArgumentException if port is invalid
     */
    public static void validatePort(int port) {
        if (port < 1 || port > 65535) {
            throw new IllegalArgumentException("Invalid port number: " + port);
        }
    }

    /**
     * Validates timeout value
     *