Cisco E1000 User Guide - Page 31

Linksys E1000 External Port Enter the external port number used by the computer or Internet application. Check with the Internet application documentation for more information. Internal Port Enter the internal port number used by the computer or Internet application. Check with the Internet application documentation for more information. Protocol Select the protocol(s) used for this application, TCP (Transmission Control Protocol), UDP (User Datagram Protocol),or Both. To IP Address Enter the IP address of the computer that should receive the requests. If you assigned a static IP address to the computer, then you can look up its static IP address; refer to DHCP Reservation, page 16. Enabled Select Enabled to enable port forwarding. Click Save Settings to apply your changes, or click Cancel Changes to clear your changes. Applications and Gaming > Port Range Forwarding The Port Range Forwarding screen allows you to set up public services on your network, such as web servers, FTP servers, email servers, or other specialized Internet applications. (Specialized Internet applications are any applications that use Internet access to perform functions such as videoconferencing or online gaming. Some Internet applications may not require any forwarding.) When users send these types of requests to your network via the Internet, the Router will forward those requests to the appropriate computers (also called servers). Before using forwarding, you should assign static IP addresses to the designated computers (use the DHCP Reservation option on the Basic Setup screen; refer to DHCP Reservation, page 16). If you need to forward all ports to one computer, click the DMZ tab. Chapter 3: Advanced Configuration Port Range Forwarding For each entry, complete the following: Application Name Enter the name you wish to give the application. Each name can be up to 12 characters. Start~End Port Enter the number or range of port(s) used by the computer or Internet applications. Check with the Internet application documentation for more information. Protocol Select the protocol(s) used for this application, TCP, UDP, or Both. To IP Address Enter the IP address of the computer running the specific application. If you assigned a static IP address to the computer, then you can look up its static IP address; refer to DHCP Reservation, page 16. Enabled Select Enabled to enable port forwarding. Click Save Settings to apply your changes, or click Cancel Changes to clear your changes. Applications & Gaming > Port Range Triggering The Port Range Triggering screen allows the Router to watch outgoing data for specific port numbers. The IP address of the computer that sends the matching data is remembered by the Router, 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. Applications and Gaming > Port Range Forwarding Wireless-N Router Applications and Gaming > Port Range Triggering Port Range Triggering For each entry, complete the following: Application Name Enter the application name of the trigger. Triggered Range Enter the starting and ending port numbers of the triggered port number range. Check with the Internet application documentation for the port number(s) needed. 28