}
```

## 7. Configuration

### 7.1 Configuration Properties
```java
// In PropertyConfiguration.java
public static final String USE_DURABLE_HANDLES = "jcifs.smb.client.useDurableHandles";
public static final String USE_PERSISTENT_HANDLES = "jcifs.smb.client.usePersistentHandles";
public static final String DURABLE_HANDLE_TIMEOUT = "jcifs.smb.client.durableHandleTimeout";

    /** Whether to allow fallback to guest authentication */
    protected boolean allowGuestFallback = false;
    /** Whether to use durable handles for improved reliability */
    protected boolean useDurableHandles = true;
    /** Whether to use persistent handles for maximum reliability */
    protected boolean usePersistentHandles = false;
    /** Timeout for durable handles in milliseconds */

     *
     * @return whether to permit guest logins when user authentication is requested
     */
    boolean isAllowGuestFallback();

    /**
     * Property {@code jcifs.smb.client.useDurableHandles}, defaults to true
     *
     * @return whether to use durable handles for improved reliability
     */
    boolean isUseDurableHandles();

    /**