D-Link DIR-866L Router Manual PDF (Setup & Configuration Guide)

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86

D-Link DIR-866L User Manual

Section 3 - Conﬁguration

Enter a

Name

for the inbound ﬁlter rule.

Select

Allow

or

Deny

.

Check the box to

Enable

the rule.

Enter the starting IP address.

Enter the ending IP address.

Click the

Add

button to apply your settings.

This section will list any rules that are created. You

may click the

Edit

icon to change the settings or

enable/disable the rule, or click the

Trash

icon to

delete the rule.

Name:

Action:

Remote IP

Range: Enable:

Remote IP Start:

Remote IP End:

Add:

Inbound Filter

Rules List:

The Inbound Filter option is an advanced method of controlling data received from the Internet. With this feature you can

conﬁgure inbound data ﬁltering rules that control data based on an IP address range. Inbound Filters can be used with Virtual

Server, Port Forwarding, or Remote Administration features.

Inbound Filters

Page 92 / 215

87

D-Link DIR-866L User Manual

Section 3 - Conﬁguration

Check the box to

Enable SPI

(Stateful Packet Inspection, also

known as dynamic packet ﬁltering). This helps prevent cyber

attacks by tracking more state per session. It validates that the

traﬃc passing through the session conforms to the protocol.

Check the box to enable this feature, which will protect your

network from certain kinds of “spooﬁng” attacks.

If an application has trouble working from behind the router,

you can expose a single computer to the Internet and run the

application on that computer.

Note:

Placing one computer in the DMZ may expose that

computer to a variety of security risks. This option is only

recommended as a last resort.

Specify the

IP Address

of the computer on the LAN that you

want to allow unrestricted Internet access. If this computer

obtains it’s IP address automatically using DHCP, be sure to

make a static reservation on the

Setup

>

Network Settings

page so that the IP address of the DMZ machine does not

change.

Check the box to allow multiple machines on the LAN to connect to their corporate network using PPTP protocol.

Check the box to allow multiple VPN clients to connect to their corporate network using IPSec. Some VPN clients support traversal

of IPSec through NAT (Network Address Translation). This Application Level Gateway (ALG) may interfere with the operation of such

VPN clients. If you are having trouble connecting with your corporate network, try turning this ALG oﬀ. Please check with the system

administrator of your corporate network to ﬁnd out whether your VPN client supports NAT traversal.

Enable SPI:

Enable Anti-Spoof

Checking:

Enable DMZ Host:

DMZ IP Address:

PPTP:

IPSec (VPN):

Firewall Settings

A ﬁrewall protects your network from the outside world. The DIR-866L oﬀers a ﬁrewall-type functionality. The SPI feature helps

prevent cyber attacks. There may be times you want a computer exposed to the outside world for certain types of applications.

To expose a computer, you can enable DMZ. This option will expose the selected computer completely to the outside world.

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88

D-Link DIR-866L User Manual

Section 3 - Conﬁguration

RTSP:

SIP:

Check the box to allow applications that use RTSP (Real Time Streaming Protocol) to receive streaming media from the Internet.

QuickTime and Real Player are some of the common applications using this protocol.

Check the box to allow devices and applications using VoIP (Voice over IP) to communicate across NAT. Some VoIP applications

and devices have the ability to discover NAT devices and work around them. This function may interfere with the operation of such

devices. If you are having trouble making VoIP calls, try turning this option oﬀ.

Click

Save Settings

.

Page 94 / 215

89

D-Link DIR-866L User Manual

Section 3 - Conﬁguration

Enter a

Name

for your data route. Use the check box on

the left to either enable or disable the route.

Enter the IP address of packets that will take this route.

Enter the

Netmask

of the route, please note that the octets

must match your destination IP address.

Enter your next hop

Gateway

to be taken if this route is

used.

The route

Metric

is a value from 1 to 15 that indicates the

cost of using this route. A value 1 is the lowest cost and

15 is the highest cost.

From the drop-down menu, select the

Interface

that the

IP packet must use to transit out of the router when this

route is used.

Click

Save Settings

.

Name:

Destination IP:

Netmask:

Gateway:

Metric:

Interface:

Routing

The Routing option is an advanced method of customizing speciﬁc routes of data through your network.

Page 95 / 215

90

D-Link DIR-866L User Manual

Section 3 - Conﬁguration

Advanced Wireless

Displays the

2.4GHz Band

(top) and

5GHz Band

(bottom).

From the drop-down menu, select the transmit power

for each of the antennas as

High

,

Medium

, or

Low

.

This enables 802.11d operation. 802.11d is a wireless

specification developed to allow implementation of

wireless networks in countries that cannot use the 802.11

standard. This feature should only be enabled if you are

in a country that requires it.

WMM is QoS for your wireless network. This will improve

the quality of video and voice applications for your

wireless clients.

For the 2.4GHz band, you can enable this option to reduce

interference from other wireless networks in your area.

If the channel width is operating at 40MHz and there

is another wireless network’s channel over-lapping and

causing interference, the router will automatically change

to 20MHz when this option is enabled.

Click

Save Settings

.

Wireless Band:

Transmit Power:

WLAN Partition:

WMM Enable:

HT 20/40MHz

Coexistence:

The

Advanced Wireless

options are for users that want to deviate from the standard settings. Adjusting these values may limit

the performance of your wireless network.

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