proxy server givin ECONNREFUSED error

server.js

var http = require('http')
  ;

http.createServer( function (req, res) {
  var client
    , proxy_request
    ;

  console.log('connection made - + =');

  switch (req.headers.host) {

    case 'joelklabo.com':
      client = http.createClient(8001, 'joelklabo.com')
      console.log('connected from: ' + req.headers.host)
      break;

    case 'brooski.net':
      client = http.createClient(8002, 'brooski.net')
      console.log('connected from: ' + req.headers.host)
      break;
  }

  proxy_request = client.request(req.method, req.url, req.headers)

  proxy_request.addListener('response', function (response) {

    response.addListener('data', function (chunk) {
      res.write(chunk, 'binary')
    })

    response.addListener('end', function () {
      res.end()
    })

    res.writeHead(response.statusCode, response.headers)
  })

  req.addListener('data', function (chunk) {
    proxy_request.write(chunk, 'binary')
  })

  req.addListener('end', function (end) {
    proxy_request.end()
  })
}).listen(80,'74.207.244.145')

console.log('Server is listening...')