Contains information about the connection from the remote client to the server.
Connection information may come from the socket or from other metadata attached
to the request by an upstream proxy, e.g. Forwarded headers.
The X509 certificate chain presented by a client during SSL requests.
The remote client's address.
Whether or not the connection was over a secure (e.g.
Whether or not the connection was over a secure (e.g. HTTPS) connection.
The remote client's address in text form.