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HcCacheControlHeader Metabase Property

The HcCacheControlHeader property specifies the directive that IIS adds to the Cache-Control header. This header, along with the Expires header specified by HcExpiresHeader Metabase Property, is included with every compressed file that is sent to a client browser.

The HcCacheControlHeader property specifies a header that overrides the HTTP Expires header, which is specified by HcExpiresHeader, and is included to ensure that older clients and proxy servers do not attempt to cache compressed files.

Neither the header specified by HcCacheControlHeader nor the header specified by HcExpiresHeader is sent with a response if the metabase property HcSendCacheHeaders Metabase Property is set to false.

The World Wide Web Publishing Service (WWW service) must be restarted before changes to this property take effect.

 

Attribute Name Attribute Value

XML Data Type

String

WMI Data Type

String

ADSI Data Type

String

ABO Data Type

String

ABO Metabase Identifier

MD_HC_CACHE_CONTROL_HEADER

Attributes

NO_ATTRIBUTES

Default Value

max-age=86400

MetaFlagsEx

CACHE_PROPERTY_MODIFIED

User Type

IIS_MD_UT_SERVER

ID

2211

Configurable Locations

You can configure this property at the following locations in the IIS metabase.

 

Metabase Path IIS Admin Object Type

/LM/W3SVC/Filters/Compression/Parameters

IIsCompressionSchemes

Code Example

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