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Section 3 – Configuration
D-Link DSL-2540U User Manual
46
IP Filtering – Incoming
This window allows you to create a filter rule of
Incoming
.
Click
change default policy
to change the mode of policy.
Now default policy is
ACCEPT
, it means all incoming IP traffic from WAN
is accepted, but some IP traffic can be blocked by setting up filters.
If you are setting up the incoming IP filtering, click the
Add
button.
Now default policy is
BLOCK
, it means all incoming IP traffic from WAN is
blocked, but some IP traffic can be accepted by setting up filters.
If you are setting up the incoming IP filtering, click the
Add
button.
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Section 3 – Configuration
D-Link DSL-2540U User Manual
47
Enter the information in the section. Explanations of parameters are
described below. Click the
Save/Apply
button to add the entry in the
Active Inbound IP Filtering table.
Filters Parameter
Description
Filter Name
Enter a name for the new filter.
Protocol
Select the transport protocol (Any, TCP/UDP, TCP, UDP or ICMP) that will be used for the filter rule.
Select either
IP address
or
Netmask
to show different items.
Source IP Address
Enter the start and end IP address for the range of IP addresses which you are creating the filter
rule.
Select IP Range by
Source IP Address &
Source Subnet Mask
This is the IP address and their associated subnets for which you are creating the filter rule.
Source Port
The Source Port is the TCP/UDP port on either the LAN or WAN depending on if you are configuring an Outbound or
Inbound Filter rule.
Destination Port
The Destination Port is the TCP/UDP port on either the LAN or WAN depending on if you are configuring an Outbound or
Inbound Filter rule.
Page 48 / 69
Section 3 – Configuration
D-Link DSL-2540U User Manual
48
Parental Control
Use this window to deny access to specified MAC address.
If you are setting up the MAC address blocking, click the
Add
button.
MAC address is a specially formatted text string (xx:xx:xx:xx:xx:xx) that
uniquely identification of a device. This section will allow users to block
devices with certain MAC addresses on the LAN.
To configure for MAC address blocking, enter the username into the
Username
field, click
Browser’s MAC Address
to have MAC address of
the LAN device, or click
Other MAC Address
and enter a MAC address
manually. Tick the checkboxes for the desired individual days of the week
and enter desired
Start Blocking Time
and
End Blocking Time
.
Click the
Save/Apply
button to save the configuration
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Section 3 – Configuration
D-Link DSL-2540U User Manual
49
URL Filter
This window allows you to set up
URL
Filter
on the Router.
Choose URL List Type
Exclude
or
Include
first and click
Add
button.
Enter the URL address and port number then click
Save/Apply
to
add the entry to the URL filter.
Page 50 / 69
Section 3 – Configuration
D-Link DSL-2540U User Manual
50
Quality of Service
QoS or Quality of Service allows your Router to help prioritize the data packet flow in your Router and network. This is very important for time
sensitive applications such as VoIP where it may help prevent dropped calls. Large amounts of non-critical data can be scaled so as not to affect
these prioritized sensitive real-time programs.
To access the
QoS – Queue Management Configuration
window, click the
Quality of Service
button in the
Advanced Setup
directory.
This window allows you to set up QoS on the Router. When you are
finished, click on the
Save/Apply
button.
Queue Config
Click the
Add
button to add a QoS Queue Configuration table entry.
This window allows you to configure a QoS queue entry and assign it a
specific network interface.
Click the
Save/Apply
button to save and activate the filter.
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