Cisco WRV210 Administration Guide - Page 54
Using Port Triggering to Allow Access to Applications, Firewall > Port Triggering, Application
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Configuring the Firewall Using Port Triggering to Allow Access to Applications 4 Using Port Triggering to Allow Access to Applications Port Triggering is used for special Internet applications that use different ports to transmit and receiving data. For this feature, the Router watches outgoing data for specific port numbers. The Router remembers the IP address of the computer that sends a transmission requesting data, so that when the requested data returns through the Router, the data is pulled back to the proper computer by way of IP address and port mapping rules. STEP 1 Click Firewall > Port Triggering in the navigation tree. • Application: Enter a name for the application. Each name can be up to 12 characters. • Triggered Range: Use these two fields to enter the range for the ports that receive a transmission requesting data. In the Start Port field, enter the first port number in the range. In the End Port field, enter the final port number in the range. • Forwarded Range: Use these two fields to enter the port range for the ports where the Router forwards the data. In the Start field, enter the first Cisco Small Business WRV210 Administration Guide 54