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Forwarding Rules - NetComm 3G25W-R Manual

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Forwarding Rules 
The Forwarding Rules page allows you to configure the port forwarding management on the router. Click on any of
the menu items on the left to access the respective settings page.
Forwarding rules are a necessary feature as by default NAT (Network Address Translation) will automatically block
incoming traffic from the Internet to the LAN unless a specific port mapping exists in the NAT translation table.
Because of this, NAT provides a level of protection for computers that are connected to your LAN. However,
this also creates a connectivity problem when you want to make LAN resources available to Internet clients, which
you may want to do to play network games or host network applications.
There are three ways to work around NAT and to enable certain LAN resources available from the Internet; Port
Forwarding (in the Virtual Server page), Port Triggering (in the Special AP page) and DMZ Host (in the Miscellaneous
page).

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