D-Link DSL-2890AL Router Manual PDF (Setup & Configuration Guide)

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Dual Band AC1750 Gigabit ADSL2+ Modem Router User Manual

Web User Interface Configuration

Page 116

Website Filter

To access the

Website Filter

page, click on the

Advanced

menu link, at the top, and then click on the

Website Filter

menu link, on the left.

On this page we can configure website filtering rules used by this router.

Click the

Save Settings

button to accept the changes made.

Click the

Don’t Save Settings

button to discard the changes made.

In this section, the following parameters can be configured:

Configure Website Filter below:

Select the website filtering method here. Select

DENY computers access to ONLY these sites

, to deny access to the

websites and domains specified. Select the

ALLOW computers access to

ONLY these sites

, to only allow access to the websites and domains

specified.

Website URL/Domain:

Enter the website Uniform Resource Locator (URL) or

domain name that will be blocked or allowed in the spaces provided.

Click the

Clear the list below…

button to remove all the Website URL/Domain

entries.

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Dual Band AC1750 Gigabit ADSL2+ Modem Router User Manual

Web User Interface Configuration

Page 117

Inbound Filter

To access the

Inbound Filter

page, click on the

Advanced

menu link, at the top, and then click on the

Inbound Filter

menu link, on the left.

On this page we can configure inbound filtering rules used by this router.

Page 118 / 186

Dual Band AC1750 Gigabit ADSL2+ Modem Router User Manual

Web User Interface Configuration

Page 118

In this section, the following parameters can be configured:

Name:

Enter the name of the Inbound filter rule here.

Action:

Select the action that will be taken by this rule here. Options to choose from

are

Allow

and

Deny

.

Enable:

Tick this option to enable this entry.

Remote IP Start:

Enter the starting remote IP address here.

Remote IP End:

Enter the ending remote IP address here.

Click the

Add

button to add or modify the rule.

Click the

Cancel

button to discard the changes made.

In this section, a list of configured inbound filter rules will be displayed.

Click the

icon to modify the specific entry.

Click the

icon to delete the specific entry.

Page 119 / 186

Dual Band AC1750 Gigabit ADSL2+ Modem Router User Manual

Web User Interface Configuration

Page 119

Firewall Settings

To access the

Firewall Settings

page, click on the

Advanced

menu link, at the top, and then click on the

Firewall Settings

menu link, on the left.

On this page we can configure the firewall settings of this router.

Click the

Save Settings

button to accept the changes made.

Click the

Don’t Save Settings

button to discard the changes made.

In this section, the following parameters can be configured:

Enable SPI:

Tick this option to enable the Stateful Packet Inspection (SPI) feature.

SPI, also known as dynamic packet filtering, helps to prevent cyber-attacks. It

validates that the traffic passing through the session conforms to the protocol.

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Dual Band AC1750 Gigabit ADSL2+ Modem Router User Manual

Web User Interface Configuration

Page 120

In this section, the following parameters can be configured:

UDP Endpoint Filtering:

Select the UDP end-point filtering method here. The

Endpoint Independent

option will forward any UDP incoming traffic, sent to an

open port, to the application that opened the port. The port will close if idled for

5 minutes. The

Address Restricted

will check whether UDP incoming traffic

matches the IP address of the outgoing connection. The

Port And Address

Restriction

option will check whether UDP incoming traffic matches the IP

address and port of the outgoing connection.

TCP Endpoint Filtering:

Select the TCP end-point filtering method here. The

Endpoint Independent

option will forward any TCP incoming traffic, sent to an

open port, to the application that opened the port. The port will close if idled for

5 minutes. The

Address Restricted

will check whether TCP incoming traffic

matches the IP address of the outgoing connection. The

Port And Address

Restriction

option will check whether TCP incoming traffic matches the IP

address and port of the outgoing connection.

In this section, the following parameters can be configured:

Enable anti-spoof checking:

Tick this option to enable the anti-spoof checking

feature.

In this section, the following parameters can be configured:

Enable DMZ:

Tick this option to enable the Demilitarized Zone (DMZ) feature.

DMZ IP Address:

Enter or select the local DMZ IP address here.

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