title: Receive UDP Packets on Google Compute Engine
body: <p>my task is to receive UDP packets on an Google Compute Engine. Given is the port, which is 300 and I already have a simple Java program which can handle these UDP packets.</p>
  
  <p>My problem now. Get the UDP packets to my Java program.</p>
  
  <p>For that I don't know how to do this. 
  What I have tried so far ist to let the Java program direct listen to the port, which didn't work. I suspect the traffic from outside the GCE must be routed to the inside?</p>