D-Link DSL-1500G++ User Manual page 58

displayed:
Specify the start and end of the port range for the TCP/UDP protocol that you want to
filter. Then select TCP or UDP protocol from the Protocol drop-down list. After that,
use the Direction drop-down lists to specify whether you want to allow/block inbound
traffic, and allow/block outbound traffic. Click on
is displayed, containing details of the TCP portfilter that you have just added.
• For a non-TCP/UDP portfilter click on Add Raw IP Filter. The following page is
displayed:
Specify the protocol number in the Transport Type text box, for example, for IGMP,
enter protocol number 2. Then use the Direction drop-down lists to specify whether you
want to allow/block inbound traffic, and allow/block outbound traffic. Click on
The Firewall Port Filters page is displayed, containing details of the IP portfilter that
you have just added.
2. Each portfilter displayed in the Firewall Port Filters page has a Delete hyperlink
assigned to it. To delete a portfilter, click on this link, then at the confirmation page, click
on . The port filter is removed from the Firewall configuration.
Configuring validators
A validator allows/blocks traffic based on the source/destination IP address and netmask.
DSL-1500G++ User Manual
- 58 -
. The Firewall Port Filters page
.