![Interceptors Diagram](../assets/images/******@****.***)

### Application Interceptors

Interceptors are registered as either _application_ or _network_ interceptors. We'll use the `LoggingInterceptor` defined above to show the difference.

Register an _application_ interceptor by calling `addInterceptor()` on `OkHttpClient.Builder`:

   * one of the listener's callbacks will execute at once. However, multiple listeners' callbacks
   * may execute concurrently, and listeners may execute in an order different from the one in which
   * they were registered.
   *
   * <p>RuntimeExceptions thrown by a listener will be caught and logged. Any exception thrown
   * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException}) will be caught and
   * logged.

```

## 4. Install Certificates from Third-party CAs

MinIO can connect to other servers, including MinIO nodes or other server types such as NATs and Redis. If these servers use certificates that were not registered with a known CA, add trust for these certificates to MinIO Server by placing these certificates under one of the following MinIO configuration paths:

* **Linux:** `~/.minio/certs/CAs/`

  /**
   * Map generator that verifies that {@code setUp()} methods are called in all the test cases. The
   * {@code setUpRan} parameter is set true by the {@code setUp} that every test case is supposed to
   * have registered, and set false by the {@code tearDown}. We use a dynamic proxy to intercept all
   * of the {@code Map} method calls and check that {@code setUpRan} is true.
   */

  /**
   * <a href="http://en.wikipedia.org/wiki/Embedded_OpenType">Embedded OpenType</a> fonts. This is
   * <a href="http://www.iana.org/assignments/media-types/application/vnd.ms-fontobject">registered
   * </a> with the IANA.
   *
   * @since 17.0
   */
  public static final MediaType EOT = createConstant(APPLICATION_TYPE, "vnd.ms-fontobject");

  /**

```

### Installing certificates from third party CAs

labels.user_x121Address=x121Address
labels.x121Address=x121Address
labels.user_businessCategory=Business Category
labels.businessCategory=Business Category
labels.user_registeredAddress=Registered Address
labels.registeredAddress=Registered Address
labels.user_displayName=Display Name
labels.displayName=Display Name
labels.user_preferredLanguage=Preferred Language
labels.preferredLanguage=Preferred Language

 * close()}).
 *
 * <p>This pattern ensures the following:
 *
 * <ul>
 *   <li>Each {@code Closeable} resource that is successfully registered will be closed later.
 *   <li>If a {@code Throwable} is thrown in the try block, no exceptions that occur when attempting
 *       to close resources will be thrown from the finally block. The throwable from the try block

 *   <li>Dependency injection using {@code @Resource} annotation</li>
 *   <li>Lifecycle management using {@code @PostConstruct} and {@code @PreDestroy} annotations</li>
 * </ul>
 *
 * <p>Components can be registered in two ways:
 * <ul>
 *   <li>As singletons, where one instance is shared throughout the container's lifecycle</li>
 *   <li>As prototypes, where a new instance is created each time the component is requested</li>
 * </ul>

	// add more here ..
}

// quietFlag: Hide startup messages if enabled
// jsonFlag: Display in JSON format, if enabled
var (
	quietFlag, jsonFlag, anonFlag bool
	// Custom function to format error
	// can be registered by RegisterError
	errorFmtFunc = func(introMsg string, err error, jsonFlag bool) string {
		return fmt.Sprintf("msg: %s\n err:%s", introMsg, err)
	}
)

// EnableQuiet - turns quiet option on.
func EnableQuiet() {