  forwardOut(srcIP, srcPort, dstIP, dstPort, cb) {
    if (!this._sock || !this._sock.writable)
      throw new Error('Not connected');

    // Send a request to forward a TCP connection to the server

    const cfg = {
      srcIP: srcIP,
      srcPort: srcPort,
      dstIP: dstIP,
      dstPort: dstPort
    };

    if (typeof cb !== 'function')
      cb = noop;

    openChannel(this, 'direct-tcpip', cfg, cb);

    return this;
  }
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.