child.js

var mod_http = require('http');

var server = mod_http.createServer(function (req, res) {
	res.writeHead(200, {'Content-Type': 'text/plain'});
	res.end('Hello World\n');
});

server.listen(8081);

parent.js

var mod_url = require('url');
var mod_http = require('http');

var parent_server;

function handleRequest(request, response)
{
	forward('127.0.0.1', 8081, request, response, function (err) {
		if (err)
			throw (err);
	});
}

function forward(child_host, child_port, request, response, callback)
{
	var subrequest;

	subrequest = mod_http.request({
		host: child_host,
		port: child_port,
		path: request.url,
		method: request.method,
		agent: false
	}, function (subresponse) {
		response.statusCode = subresponse.statusCode;
		subresponse.on('data', function (chunk) { response.write(chunk); });
		subresponse.on('end', function() {
			response.end();
			// subresponse.removeAllListeners();
			// subresponse.destroy();
			// subrequest.removeAllListeners();
			// subrequest.destroy();
		});
		callback();
	});

	request.on('error', function (err) { return (callback(err)); });
	request.on('data', function (chunk) { subrequest.write(chunk); });
	request.on('end', function () { subrequest.end(); });
};

parent_server = mod_http.createServer(handleRequest);

parent_server.listen(8080);