# HTTP Basic Auth

For the simplest cases, you can use HTTP Basic Auth.

In HTTP Basic Auth, the application expects a header that contains a username and a password.

If it doesn't receive it, it returns an HTTP 401 "Unauthorized" error.

And returns a header `WWW-Authenticate` with a value of `Basic`, and an optional `realm` parameter.

That tells the browser to show the integrated prompt for a username and password.

Bei HTTP Basic Auth erwartet die Anwendung einen Header, der einen Benutzernamen und ein Passwort enthält.

Wenn sie diesen nicht empfängt, gibt sie den HTTP-Error 401 „Unauthorized“ zurück.

Und gibt einen Header `WWW-Authenticate` mit dem Wert `Basic` und einem optionalen `realm`-Parameter („Bereich“) zurück.

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/// info | Informação

O cabeçalho adicional `WWW-Authenticate` com valor `Bearer` que estamos retornando aqui também faz parte da especificação.

Qualquer código de status HTTP (erro) 401 "UNAUTHORIZED" também deve retornar um cabeçalho `WWW-Authenticate`.

No caso de tokens ao portador (nosso caso), o valor desse cabeçalho deve ser `Bearer`.

Na verdade, você pode pular esse cabeçalho extra e ainda funcionaria.

- Send an error on `ResultChan` and close the `RetryWatcher` when the client is forbidden or unauthorized from watching the resource. ([#126038](https://github.com/kubernetes/kubernetes/pull/126038), [@mprahl](https://github.com/mprahl)) [SIG API Machinery]

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After a week, the token will be expired and the user will not be authorized and will have to sign in again to get a new token. And if the user (or a third party) tried to modify the token to change the expiration, you would be able to discover it, because the signatures would not match.

## 0.20.0

* Upgrade OAuth2:
    * Upgrade Password flow using Bearer tokens to use the correct HTTP status code 401 `UNAUTHORIZED`, with `WWW-Authenticate` headers.
    * Update, simplify, and improve all the [security docs](https://fastapi.tiangolo.com/advanced/security/).

                            of the authorized client certificates.
                          items:
                            type: string
                          type: array
                        verifyCertificateSpki:
                          description: An optional list of base64-encoded SHA-256
                            hashes of the SPKIs of authorized client certificates.
                          items:

- Fixed an issue where the `vsphere` cloud provider would not trust a certificate if:
  - The issuer of the certificate was unknown (`x509.UnknownAuthorityError`)
  - The requested name did not match the set of authorized names (`x509.HostnameError`)