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HcNoCompressionForHttp10 Metabase Property

Applies To: Windows Server 2003, Windows Server 2003 with SP1

The HcNoCompressionForHttp10 property disables compression for requests containing an HTTP 1.0 version number. HTTP 1.0, as described in RFC 1945, provides a minimal level of support for certain types of compression. However, some confusion exists around HTTP 1.0 compression, especially with regard to proxy servers. To minimize the chance of inappropriately returning a compressed file to a client that cannot decompress it, you can use this metabase property to disable compression in questionable scenarios.

Attribute Name Attribute Value

XML Data Type

Boolean

WMI Data Type

Boolean

ADSI Data Type

Boolean

ABO Data Type

Boolean

ABO Metabase Identifier

MD_HC_NO_COMPRESSION_FOR_HTTP_10

Attributes

NO_ATTRIBUTES

Default Value

true

MetaFlagsEx

CACHE_PROPERTY_MODIFIED

User Type

IIS_MD_UT_SERVER

ID

2217

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

For general code examples, see Code Examples to Configure Metabase Properties.