| Platform SDK: DirectX | 
The following chart shows which ports an administrator needs to open for a given desired style of play for applications using the dynamic range of DirectPlay.
| Connection | Client configuration | Host configuration | 
|---|---|---|
| Initial TCP Connection | 47624 Outbound | 47624 Inbound | 
| Subsequent Inbound TCP Connections | 2300-2400 | 2300-2400 | 
| Subsequent Outbound TCP Connections | 2300-2400 | 2300-2400 | 
| Subsequent Inbound UDP Connections | 2300-2400 | 2300-2400 | 
| Subsequent Outbound UDP Connections | 2300-2400 | 2300-2400 |