Configure HTTP headers

Procedure

1. Log on to the ApsaraVideo Live console.

2. In the left navigation pane, click Domain Names. The Domain Management page appears.

3. Find the streaming domain that you want to configure and click Domain Settings in the Actions column.

4. Click Streaming Management > HTTP Header Settings.

5. Click Add.

6. In the HTTP Header Configuration dialog box, select a Header, enter a Value, and click OK.

   The following table lists parameters and their descriptions.

   Parameter	Description	Example
   Content-Type	Specifies the content type of the response object for the client program.	image
   Cache-Control	Specifies the caching mechanism that the client program must follow for requests and responses.	no-cache
   Content-Disposition	Specifies the default file name provided when the client program saves the retrieved content as a file.	123.txt
   Content-Language	Specifies the language of the response object for the client program.	zh-CN
   Expires	Specifies the time-to-live (TTL) of the response object for the client program.	Wed, 21 Oct 2015 07:28:00 GMT
   Access-Control-Allow-Origin	Specifies the allowed origins for cross-origin requests.	* Note You can enter * to allow all domains. You can also enter a complete domain name, such as www.aliyundoc.com. Cross-origin configuration currently supports only * or a single domain name. To allow cross-origin access from multiple domains, configure this parameter as *.
   Access-Control-Allow-Headers	Specifies the allowed fields for cross-origin requests.	X-Custom-Header
   Access-Control-Allow-Methods	Specifies the allowed methods for cross-origin requests.	POST, GET Note To add both POST and GET, separate them with a half-width comma (,).
   Access-Control-Max-Age	Specifies the cache duration, in seconds, for preflight request responses to a specific resource by the client program.	600
   Access-Control-Expose-Headers	Specifies the custom headers that can be accessed.	Content-Length