UDP or User Datagram Protocol is a core protocol on the internet popular in real-time and lossy applications such as gaming and media streaming. UDP Forwarding can be configured on the services Ports page.


  • Domain Name Servers (DNS)

  • Online Games

  • Video Streaming application

  • Chat servers (but not IRC)

Technical Limitations

  • UDP sessions, where a session is defined by a guaranteed of a constant local endpoint is only guaranteed for 10 minutes. Under some situations such as where over 10,000 new connections are initiated this may be reduced.

  • A maximum connection limitation of 20,000 connections (unique clients) exists for implementation reasons, connections will be recycled in a Least Recently Used (LRU) manner