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

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Configuring the Firewall
Using Port Triggering to Allow Access to Applications
Cisco Small Business WRV210 Administration Guide
54
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