System information

B
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B Configuring an Internet Router
Configure an AirPort Base Station or an Internet router
to make your server’s services available on the Internet.
If you have an Internet router or gateway device that shares an Internet connection
among computers on your local network, it isolates your local network from the
Internet. Computers on the Internet can’t access services provided by your server
unless your router is configured to forward requests for each service to your server. This
process is called port forwarding or port mapping, because each service communicates
through an abstract, numbered communication port. These ports are not physical like
the Ethernet port on your computer.
Configuring Port Mapping on an AirPort Extreme Base Station
A standard or workgroup configuration of Mac OS X Server version 10.5 Leopard can
configure port mapping automatically on an AirPort Extreme Base Station (802.11n).
The server configures the AirPort Extreme to make the iChat, mail, web, and VPN
services available on the Internet. The server configures the AirPort Extreme separately
for each service when the service starts and stops.