"env-REMOTE_HOST":       "1.2.3.4",
		"env-REMOTE_PORT":       "1234",
		"env-REQUEST_METHOD":    "GET",
		"env-REQUEST_URI":       "/test.cgi?foo=bar&a=b",
		"env-SCRIPT_FILENAME":   os.Args[0],
		"env-SCRIPT_NAME":       "/test.cgi",
		"env-SERVER_NAME":       "example.com",
		"env-SERVER_PORT":       "80",
		"env-SERVER_SOFTWARE":   "go",
	}

		"HTTP_HOST=" + req.Host,
		"GATEWAY_INTERFACE=CGI/1.1",
		"REQUEST_METHOD=" + req.Method,
		"QUERY_STRING=" + req.URL.RawQuery,
		"REQUEST_URI=" + req.URL.RequestURI(),
		"PATH_INFO=" + pathInfo,
		"SCRIPT_NAME=" + root,
		"SCRIPT_FILENAME=" + h.Path,
		"SERVER_PORT=" + port,
	}

	if remoteIP, remotePort, err := net.SplitHostPort(req.RemoteAddr); err == nil {

	switch s {
	case "CONTENT_LENGTH", "CONTENT_TYPE", "HTTPS",
		"PATH_INFO", "QUERY_STRING", "REMOTE_ADDR",
		"REMOTE_HOST", "REMOTE_PORT", "REQUEST_METHOD",
		"REQUEST_URI", "SCRIPT_NAME", "SERVER_PROTOCOL":
		return false
	}
	if strings.HasPrefix(s, "HTTP_") {
		return false
	}
	// Explicitly include FastCGI-specific things.
	// This list is redundant with the default "return true" below.