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 type of the returned content..	image
   Cache-Control	Specifies the caching mechanism for both requests and responses..	no-cache
   Content-Disposition	Specifies the default file name used when the returned content is displayed as an attachment..	123.txt
   Content-Language	Specifies the languages intended for the audience..	zh-CN
   Expires	Specifies the time after which the response is considered stale..	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 how long the browser can cache the results of a preflight request for a specific resource.. Unit: seconds.	600
   Access-Control-Expose-Headers	Specifies the custom headers that can be accessed.	Content-Length