2.3. Decide On Your Configuration

The base configuration is RED /GREEN where IPCop protects a single internal network from the Internet. If you have a wireless access point then you can attach it to the BLUE network interface and configure IPCop to restrict the access of machines on your wireless LAN. If you have some servers that need to be accessible from the Internet you can place them in an untrusted DMZ attached to the ORANGE network interface.

Although you can easily change the network interfaces later, it is advisable to have a plan before you start installation.