DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
4-30 Security and Firewall Protection
v1.0, April 2007
3.
Figure 4-19
Table 4.2 Port triggering
Item Description
Port Triggering
Rules
• Enable - Indicates if the rule is enabled or disabled. Generally, there is no
need to disable a rule unless it interferes with some other function such as
Port Forwarding.
• Name - The name for this rule.
• Outgoing Ports - The port or port range for outgoing traffic. An outgoing
connection using one of these ports will trigger this rule.
• Incoming Ports - The port or port range used by the remote system when it
responds to the outgoing request. A response using one of these ports will be
forwarded to the PC which triggered this rule.
Adding a new Rule • To add a new rule, click the Add and enter the following data on the resulting
screen.
• Name - enter a suitable name for this rule (e.g., the name of the application)
• Enable/Disable - select the desired option.
• Outgoing (Trigger) Port Range - enter the range of port numbers used by the
application when it generates an outgoing request.
• Incoming (Response) Port Range - enter the range of port numbers used by
the remote system when it responds to the PC's request.