title: Auth, user management and more for your B2B product
    img: https://fastapi.tiangolo.com/img/sponsors/propelauth.png
  - url: https://zuplo.link/fastapi-gh
    title: 'Zuplo: Deploy, Secure, Document, and Monetize your FastAPI'
    img: https://fastapi.tiangolo.com/img/sponsors/zuplo.png
  - url: https://liblab.com?utm_source=fastapi
    title: liblab - Generate SDKs from FastAPI

- **Pre-Authentication Integrity**: SMB 3.1.1 PAI for preventing downgrade attacks
- **Automatic Detection**: Encryption automatically enabled when servers require it
- **Secure Key Management**: Proper key derivation and nonce generation

### Core Features
- **Per-context configuration**: No global state, each context encapsulates configuration

    input = Arrays.copyOf(input, input.length);
    Chars.reverse(input);
    assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testReverse(char[] input, int fromIndex, int toIndex, char[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    Chars.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

    }

    @Test
    public void test_FactoryMethodsWithDifferentUrls() {
        // ## Test factory methods with various URL formats ##

        // ## Act & Assert ##
        assertNotNull(Curl.get("https://secure.example.com/path?param=value"));
        assertNotNull(Curl.post("http://api.example.com/v1/resource"));
        assertNotNull(Curl.put("ftp://files.example.com/upload"));

![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

## Traefik

<a href="https://traefik.io/" class="external-link" target="_blank">Traefik</a> est un reverse proxy/load balancer
haute performance. Il peut faire office de "Proxy de terminaison TLS" (entre autres fonctionnalités).

certificats sont générés automatiquement. Cela permet également d'automatiser le renouvellement de ces certificats.

L'idée est d'automatiser l'acquisition et le renouvellement de ces certificats, afin que vous puissiez disposer d'un HTTPS sécurisé, gratuitement et pour toujours....

			Recursive: false,
			Immediate: false,
		}); err != errFileAccessDenied {
			t.Errorf("expected: %s, got: %s", errFileAccessDenied, err)
		}
	}

	// TestXLStorage for delete on an removed disk.
	// should fail with disk not found.
	err = xlStorageDeletedStorage.Delete(t.Context(), "del-vol", "my-file", DeleteOptions{
		Recursive: false,
		Immediate: false,
	})

          SerializableTester.reserializeAndAssert(asMap);
          SerializableTester.reserializeAndAssert(descendingMap);
          assertEquals(
              ImmutableList.copyOf(asMap.entrySet()).reverse(),
              ImmutableList.copyOf(descendingMap.entrySet()));

          for (Range<Integer> query : RANGES) {
            assertEquals(expectedAsMap.get(query), asMap.get(query));
          }
        }

Podrías necesitar decirle al cliente que:

* El cliente no tiene suficientes privilegios para esa operación.
* El cliente no tiene acceso a ese recurso.
* El ítem al que el cliente intentaba acceder no existe.
* etc.

En estos casos, normalmente devolverías un **código de estado HTTP** en el rango de **400** (de 400 a 499).

Pode ser que você precise comunicar ao cliente que:

* O cliente não tem direitos para realizar aquela operação.
* O cliente não tem acesso aquele recurso.
* O item que o cliente está tentando acessar não existe.
* etc.


Nesses casos, você normalmente retornaria um **HTTP status code** próximo ao status code na faixa do status code **400** (do 400 ao 499).