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What ports need to be open for network play?

Applies To

RealFlight G2
RealRace G2
RealRace

Summary

This article describes the ports required to play Microsoft DirectX multiplayer games through a firewall, a proxy server, Network Address Translation (NAT), or Internet Connection Sharing (ICS).

More Information

To verify that these ports are open or to open these ports, please contact your network administrator or Internet service provider (ISP).

If you are the administrator of the network please consult the documentation provided with your networking software to determine the steps to open these ports.

To play DirectX games through a network firewall or proxy server, the following requirements must be met:

• To ensure DirectPlay compatibility, the latest version of DirectX should be installed on the computers used by all players who participate in the game.
  
  The following TCP and UDP ports must be open on the firewall or proxy server:

  
  Using RealRace
   

  Connection	Ports for Client Configuration	Ports for Host Configuration
  Initial TCP Connection	47624 Outbound	47624 Inbound
  Subsequent TCP Inbound	2300-2400	2300-2400
  Subsequent TCP Outbound	2300-2400	2300-2400
  Subsequent UDP Inbound	2300-2400	2300-2400
  Subsequent UDP Outbound	2300-2400	2300-2400

  
  

  Using RealFlight G2

  Connection	Ports for Client Configuration	Ports for Host Configuration
  Initial TCP Connection	6073 Outbound	6073 Inbound
  Subsequent UDP Inbound	2300-2400	2300-2400
  Subsequent UDP Outbound	2300-2400	2300-2400

For additional information about how to configure firewall or proxy server support for DirectPlay games, please see the "Firewall Support in DirectPlay" topic in the DirectX 7.0 SDK Help file.

To download the latest version of DirectX, visit the following Microsoft Web site:

http://www.microsoft.com/directx/homeuser/downloads/default.asp

For additional information about how to install the latest version of DirectX, click the article number below to view the article in the Microsoft Knowledge Base:

Q179113 How to Download and Install DirectX

For additional information about playing games through ICS, click the article number below to view the article in the Microsoft Knowledge Base:

Q236429 Problems Joining Games Using Internet Connection Sharing

Content Copyright 2009, Knife Edge Software and Great Planes. Web design Copyright 2001, Knife Edge Software. RealFlight Software is Copyright 1997-2009,  Knife Edge Software.

Microsoft, Windows 95/98/2000/ME/XP/Vista/7 and DirectX are trademarks of the Microsoft Corp. Intel and Pentium are trademarks of the Intel Corp.

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