https://en.m.wikipedia.org/wiki/Hypertext_Transfer_Protocol
.. envvar:: HTTP_SERVER_EXPOSE_NAME Default: 1 (enabled) Adds "HttpServer/Sming" to the SERVER field in response headers. If disabled, the SERVER field is omitted from all responses.
.. envvar:: HTTP_SERVER_EXPOSE_VERSION Default: 0 (disabled) Adds the current Sming build version to the SERVER field in response headers. For example, "Sming/4.0.0-rc2". Requires HTTP_SERVER_EXPOSE_NAME to be enabled.
.. envvar:: HTTP_SERVER_EXPOSE_DATE Default: 0 (disabled) Sets the DATE field in response headers.
.. toctree:: :glob: docs/http/*