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ADSL2+ Modem Router DM111PSPv2 User Manual
Security and Firewall Protection 3-7
v1.0, December 2008
To configure port forwarding:
1. In the Advanced section of the main menu, select Port Forwarding, and then click Add.
2. Remember that allowing inbound services opens holes in your firewall. Only enable those
ports that are necessary for your network.
3. Either select a predefined port triggering rule, or define a rule:
• To select a predefined port triggering rule:
– Select the Pre-defined radio button.
– Select a type of application from the drop-down menu om the left.
– Select an application from the drop-down menu on the right.
• To define a rule:
– Select the User defined radio button. The screen adjusts to enable you to add rules
(see
Figure 3-5 on page 3-8).
Note: Some residential broadband ISP accounts do not allow you to run any server
processes (such as a Web or FTP server) from your location. Your ISP may
periodically check for servers and may suspend your account if it discovers any
active services at your location. If you are unsure, refer to the acceptable use policy
of your ISP.
Figure 3-4