Specifications

Section 3 – Web Configuration
D-Link DSL-2544N User Manual 40
IP v4 Filtering
In the Filtering Options page, click IP v4 Filtering. The page is shown as the
figure appears on the right.
Select a security level, choose a filter direction, and then click Add a rule to
display the figure appears on the right.
The following table describes the parameters of this page.
Field Description
Connection Choose an IPv4 WAN connection.
Enable
Tick in the box to enable a filter rule.
Protocol
Choose a protocol corresponding to the rule. You
may choose TCP, UDP, ICMP or TCP/UDP.
Source/ Destination
IP
Original/ destination IP address.
Source/ Destination
Mask
Original/ destination mask.
Source/Destination
Port
Original/ end port, which is the original port range.
Description You can describe this IPv4 filter rule.
After setting the parameters, click Submit. You can also click Edit or Delete to
manage the rule. Click Apply to save the settings.