D-Link DIR-803 Router Manual PDF (Setup & Configuration Guide)

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77

D-Link DIR-803 User Manual

Section 3 - Conﬁguration

Enter the rule:

Enable

- Check to enable the rule.

Name

- Enter a name for your rule.

Dest.IP.Start

- Enter the starting IP address.

Dest.IP.End

- Enter the ending IP address.

Protocol

- Select the protocol.

Dest.Port.Start

- Enter the starting port number.

Dest.Port.End

- Enter the ending port number.

To enable web logging, click

Enable

.

Click

Save

to save the access control rule.

Your newly created policy will now show up under

Policy.Table

.

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78

D-Link DIR-803 User Manual

Section 3 - Conﬁguration

Add Website

Filtering Rule:

Website URL/

Domain:

Website Filters

Select either

DENY.computers.access.to.ONLY.

these.sites

or

ALLOW.computers.access.to.ONLY.

these.sites

.

Enter the keywords or URLs that you want to allow

or block. Click

Save.Settings

.

Website Filters are used to allow you to set up a list of Web sites that can be viewed by multiple users through the network.

To use this feature select to

Allow

or

Deny

, enter the domain or website and click

Save.Settings

. You must also select

Apply.

Web.Filter

under the

Access Control

section.

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79

D-Link DIR-803 User Manual

Section 3 - Conﬁguration

Enter a name for the inbound ﬁlter rule.

Select

Allow

or

Deny

.

Check to enable rule.

Enter the starting IP address. Enter 0.0.0.0 if you

do not want to specify an IP range.

Enter the ending IP address. Enter 255.255.255.255

if you do not want to specify and IP range.

Click the

Add

button to apply your settings. You

must click

Save.Settings

at the top to save the

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

Delete

icon

to remove the rule.

Name:

Action:

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

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80

D-Link DIR-803 User Manual

Section 3 - Conﬁguration

SPI (Stateful Packet Inspection, also known as dynamic packet ﬁltering)

helps to prevent cyber attacks by tracking more state per session. It

validates that the traﬃc passing through the session conforms to the

protocol.

Enable this feature to protect your network from certain kinds of

“spooﬁng” attacks.

Enable SPI:

Anti-Spoof Check:

Firewall Settings

A ﬁrewall protects your network from the outside world. The DIR-803 oﬀers a ﬁrewall type functionality. The SPI feature helps

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

If you choose to expose a computer, you can enable DMZ. DMZ is short for Demilitarized Zone. This option will expose the

chosen computer completely to the outside world.

Page 85 / 139

81

D-Link DIR-803 User Manual

Section 3 - Conﬁguration

DMZ IP Address:

PPTP:

IPSEC (VPN):

RTSP:

SIP:

Specify the IP address of the computer on the LAN that you want to

have unrestricted Internet communication. 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.

Allows multiple machines on the LAN to connect to their corporate

network using PPTP protocol.

Allows multiple VPN clients to connect to their corporate network

using IPSec. Some VPN clients support traversal of IPSec through

NAT. This 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 whether your VPN client supports

NAT traversal.

Allows application that uses Real Time Streaming Protocol to receive

streaming media from the Internet. QuickTime and Real Player are

some of the common applications using this protocol.

Allows 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 ALG

may interfere with the operation of such devices. If you are having

trouble making VoIP calls, try turning this ALG oﬀ.

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