HTTP Response Headers
Updated: February 29, 2012
Applies To: Windows Server 2012 R2, Windows Server 2012
Use the HTTP Response Headers feature page to manage a list of name and value pairs that contain information about a requested page, and to configure common HTTP headers.
Sort the list by clicking one of the feature page column headings or select a value from the Group by drop-down list to group similar items.
In this document
The following tables describe the UI elements that are available on the feature page and in the Actions pane.
Displays the name part of an HTTP response header name-value pair.
Displays the value part of an HTTP response header name-value pair.
Displays whether the item is local or inherited. Local items are read from the current configuration file, and inherited items are read from a parent configuration file.
Opens the Add Custom HTTP Response Header dialog box in which you can add a header.
Set Common Headers
Opens the Set Common HTTP Response Headers dialog box in which you can configure the HTTP keep-alive and Web content expiration headers.
Opens the Edit Custom HTTP Response Header dialog box in which you can edit a header. This action is available only when an item is selected from the list on the feature page.
Removes the item that is selected from the list on the feature page.
Use the Add Custom HTTP Response Header and Edit Custom HTTP Response Header dialog boxes to add or edit name and value pairs that contain information about a requested page. For example, you can create a custom header named “author” that contains the name of the content author for a site.
Type the name part of an HTTP response header name-value pair.
Type the value part of an HTTP response header name-value pair.
Use the Set Common HTTP Response Headers dialog box to configure headers that enable HTTP keep-alive and specify when to expire Web content.
Enable HTTP keep-alive
Select this option to keep a client/server connection open across multiple requests to the server. An open connection improves performance when a client makes multiple requests for Web page content because the server can more quickly return the content for each request.
Expire Web content
Select this option to configure the expiration of Web content. A Web server returns this header value to a client browser in an HTML file header. The browser compares that value with the current date to determine whether to display a page that is cached on the client computer or to request an updated page from the server.
Then select one of the following options to specify when to expire the content: