D-Link DSL-1500G++ User Manual page 57

interface to the inside.
• Port Number; the port number that your transport uses.
4. Once you have configured the table, click on
refreshed and the reserved mapping is added to your NAT configuration.
To delete a reserved mapping setup, click on the Delete hyperlink, and then click on
Click on Return to Interface List to display the Security Interface Configuration page.
Configuring Firewall policies
If to configure firewall policies, click the Security Policy Configuration from Policy,
Triggers and Intrusion Detection as following figure shown.
Then the table is displayed and contains details of each Firewall policy.
You can now configure the policies to include portfilters and validators. See Configuring
portfilters Section and Configuring validators Section.
A portfilter is an individual rule that determines what kind of traffic can pass between two
interfaces specified in an existing policy. This section assumes that you have followed the
instructions in Configuring Firewall policies Section.
To configure a portfilter:
From the Current Firewall Policies table, click on the Port Filters link for the policy that
1.
you want to configure. The page displayed contains three Add Filter hyperlinks that allow
you to create three different kinds of portfilter:
• For a TCP/UDP port filter click on Add TCP or UDP Filter. The following page is
DSL-1500G++ User Manual
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. The table is