A list of "known" headers the gateway will try to copy from the incoming request.
Whether or not to copy all custom headers from the request. By custom header, it
means all the headers which names start with x-
.
A list of "known" headers the gateway will try to remove the response.
Whether or not to include the header with the request's IP address.
The options for how the gateway will handle the headers from the requests and the responses.