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Figure 1-24: IGMP Multicast
5.5.12
Port Forwarding
Using the Port Forwarding page, you can provide local services (for example
web hosting) for people on the Internet or play Internet games. When users
send this type of request to your network via the Internet, the Lynx L-320
will forward those requests to the appropriate PC. Port forwarding can be
used with DHCP assigned addresses but remember that a DHCP address is
dynamic (not static). For example, if you were configuring a Netmeeting
server, you would want to assign this server a static IP address so that the
IP address is not reassigned. Also remember that if an Internet user is
trying to access an Internet application, they must use the WAN IP address.
The port forwarding will translate the WAN IP address into a LAN IP address.
To configure a service, game, or other application select the external
connection (for example the Internet connection), from the Home screen,
click Advanced and under Advanced, select Port Forwarding. Next select the
computer hosting the service and add the corresponding firewall rule. If you
want to add a custom application, select the User category, click New and fill
in the port, protocols and description for your application.
For example, if you want to host a Netmeeting session, from the Home
screen, click Advanced and under Advanced, select Port Forwarding. First
select the IP address for your Netmeeting server. Next select the
Audio/Video category and add Netmeeting to the applied rules box. To view
the management rules, highlight Netmeeting and select view; this will
display the pre configured protocols and ports that Netmeeting will use. Now
