Request ServerVariables HTTP_<HeaderName>

HTTP_<HeaderName>

The value stored in the header <HeaderName>. Any header other than those listed in this table must be preceded by "HEADER_" in order for the ServerVariables collection to retrieve its value. This is useful for retrieving custom headers. The server interprets any underscore (_) characters in <HeaderName> as dashes in the actual header. For example, if you specify HTTP_SOME_HEADER, the server searches for a request header named SOME-HEADER.

Value

null

Examples

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Common Tasks

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