// We have a list of HTTP servers on this port. Build a single listener for the server port.
		port := &networking.Port{Number: port.Number, Protocol: port.Protocol}
		httpFilterChainOpts := configgen.createGatewayHTTPFilterChainOpts(builder.node, port, nil, serversForPort.RouteName,
			proxyConfig, istionetworking.ListenerProtocolTCP, builder.push)
		// In HTTP, we need to have RBAC, etc. upfront so that they can enforce policies immediately