Combat Flight Simulator 3: Network Ports That Are Required for Multiplayer Game

This article describes the ports that you must open to play Microsoft Combat Flight Simulator 3: Battle for Europe as a multiplayer game through a firewall, a proxy server, a router, Network Address Translation (NAT), or Internet Connection Sharing.

Microsoft Windows firewall

With Microsoft Windows XP Service Pack 2 (SP2), you do not have to manually create port exceptions in the firewall. You may now create exceptions for the program itself.

To do this, follow these steps.

Note Never open a port for a program that you do not recognize.

1. Click Start, and then click Control Panel.
2. Click Security Center.
3. Click Windows Firewall.
4. Click the Exceptions tab.
5. Click Add Program.
6. Click Browse.
7. Locate the game's executable files, and then click Open. By default, the game is installed in the following folder:
   C:\Program Files\Microsoft Games\Combat Flight Simulator 3\cfs3.exe
8. Click OK two times.

For additional information about how to use the Windows firewall, click the following article number to view the article in the Microsoft Knowledge Base: If you are not using the Windows firewall, you may still have to know the ports that are used by the game when you configure your network.

Port listing

Combat Flight Simulator 3: Battle for Europe requires that the following User Datagram Protocol (UDP) ports are open to play multiplayer games:



To verify that these ports are open or to open these ports, contact your network administrator or Internet service provider (ISP). If you are the administrator of the network, see the documentation that is provided with your networking software to determine the steps to open these ports.

For additional information about multiplayer games, click the following article number to view the article in the Microsoft Knowledge Base: