{* ../../docs_src/advanced_middleware/tutorial001.py hl[2,6] *}

## `TrustedHostMiddleware`

Erzwingt, dass alle eingehenden Requests einen korrekt gesetzten `Host`-Header haben, um sich vor HTTP-Host-Header-Angriffen zu schützen.

{* ../../docs_src/advanced_middleware/tutorial002.py hl[2,6:8] *}

Die folgenden Argumente werden unterstützt:

      // If the domain is present, it must domain match. Otherwise we have a host-only cookie.
      val urlHost = url.host
      if (domain == null) {
        domain = urlHost
      } else if (!domainMatch(urlHost, domain)) {
        return null // No domain match? This is either incompetence or malice!
      }

      // If the domain is a suffix of the url host, it must not be a public suffix.
      if (urlHost.length != domain.length &&

        final int domainLength = domain.length;
        byte[] server = {};
        final String host = tc.getNameServiceClient().getLocalHost().getHostName();
        if (host != null) {
            try {
                server = host.getBytes(UNI_ENCODING);
            } catch (final IOException ex) {
                log.debug("Failed to get host bytes", ex);
            }
        }
        final int serverLength = server.length;

     *
     * @return the logger instance
     */
    Logger getLogger();

    /**
     * Extracts the host name from a URL string.
     * Removes protocol and path components to return just the hostname.
     *
     * @param u the URL string to extract host from
     * @return the host name, or empty string if URL is blank, or unknown hostname if parsing fails
     */
    default String getHost(final String u) {

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# External Links and Articles

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/// tip

	if r != nil {
		addr = r.Host
	}
	if globalIsDistErasure {
		addr = globalLocalNodeName
	}
	poolNumbers := make(map[int]struct{})
	network := make(map[string]string)
	for _, ep := range endpointServerPools {
		for _, endpoint := range ep.Endpoints {
			if endpoint.IsLocal {
				poolNumbers[endpoint.PoolIdx+1] = struct{}{}
			}
			nodeName := endpoint.Host
			if nodeName == "" {
				nodeName = addr

	madmClnt, err := madmin.NewWithOptions(stsEndpointURL.Host, mopts)
	if err != nil {
		log.Fatalln(err)
	}

	err = madmClnt.ServiceRestart(context.Background())
	if err != nil {
		log.Fatalln(err)
	}

	// Use generated credentials to authenticate with MinIO server
	minioClient, err := minio.New(stsEndpointURL.Host, opts)
	if err != nil {
		log.Fatalf("Error initializing client: %v", err)

                                    <label for="doc.host" class="col-sm-3 text-sm-right col-form-label">host</label>
                                    <div class="col-sm-9">
                                        <la:errors property="doc.host"/>
                                        <la:text styleId="doc.host" property="doc.host" styleClass="form-control"/>
                                    </div>

		{
			req: &http.Request{
				URL: &url.URL{
					Host:   "127.0.0.1:9000",
					Scheme: httpScheme,
					Path:   SlashSeparator,
				},
				Header: http.Header{
					"Authorization": []string{"Bearer 12313123"},
				},
			},
			authT: authTypeJWT,
		},
		// Test case - 3
		// Empty authorization header.
		{
			req: &http.Request{
				URL: &url.URL{
					Host:   "127.0.0.1:9000",
					Scheme: httpScheme,