History

In earlier versions, all HTTP receive headers were collected as special registers of type HDR. These registers were examined by the process, which decided whether to create new HDR registers or delete existing registers. When an HTTP emit agent was configured, the user had the option to relay headers. If configured to relay, any registers of type HDR found in the context, with a few specific exceptions, were made into outbound headers. If not configured to relay, HDR registers were ignored.

If the emitted HTTP request document received a response with headers, these headers were then converted into special registers of type HDR.


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