code: function TcpConnection(options) {
      this.options = util._extend({host: 'localhost', port: '80', localAddress: process.env.LOCAL_ADDRESS}, options);
      this._config = JSON.stringify(this.options);
      if (logger.isDebugEnabled()) {
          logger.debug('Created with %s', this._config);
      }
  }
docs: The constructor accepts optionally an object to specify the connection address as following:  new TcpConnection({host: "173.240.5.253", port: "443"});  `localhost:80` address is used as default otherwise