DSL-1500G++ User Manual
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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
. The Firewall Port Filters page
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.
Summary of Contents for DSL-1500G
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