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2.6.1

Registering a DDNS Account on www.dyndns.org

1

Open a browser and type

.

2

Apply for a user account. This tutorial uses

UserName1

and

12345

as the username and

password.

3

Log into www.dyndns.org using your account.

4

Add a new DDNS host name. This tutorial uses the following settings as an example.

• Hostname:

zyxelrouter.dyndns.org

•

Service Type:

Host with IP address

•

IP Address: Enter the WAN IP address that your Device is currently using. You can find the IP

address on the Device’s Web Configurator

Status

page.

Then you will need to configure the same account and host name on the Device later.

2.6.2

Configuring DDNS on Your Device

Configure the following settings in the

Network Setting

>

DNS Setting > Dynamic DNS

screen.

• Select

Enable Dynamic DNS

.

• Select

DynDNS.org

as the service provider.

• Type

zyxelrouter.dyndns.org

in the

Host Name

field.

•

Enter the user name (

UserName1

) and password (

12345

).

Click

Apply

.

2.6.3

Configuring Port Forwarding on your Device

Configure the following settings in the

Network Setting

>

NAT > Port Forwarding > Add new

rule

screen.

• Select

Active

.

• Type

RD

in the

Service Name

.

• Type

3389

in the

External/Internal Start/End Port

fields. This is the listening port for

Windows remote desktop.

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32

•

Select the

TCP

in the

Protocol

field.

•

Type the LAN IP address of your computer in the

Server IP Address

field. To check this on your

home computer, click

Start

,

All Programs

,

Accessories

and then

Command Prompt

. In the

Command Prompt

window, type "ipconfig" and then press [ENTER]. This example uses

192.168.1.64

. You will also need to configure a Static DHCP rule for this IP address. See

Configuring Static DHCP

.

Click

Apply

.

2.6.4

Testing the DDNS Setting

Now you should be able to access the Device from the Internet. To test this:

1

Open the remote desktop client application on the remote computer (using the IP address

a.b.c.d

)

that is connected to the Internet.

2

Type

and press [Enter].

3

Your computer’s remote desktop login page should appear.

2.7

Firewall Setup

The following example shows how to change firewall security level settings.

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33

1

Place your mouse over the

Security Settings

icon, and click

Firewall

in the drop down.

Firewa l Example: Edit Rule: Destination Address

2

In the security

Level

dropdown, you can select

High

,

Medium

or

Low

:

•

High - All WAN-to-LAN and LAN-to-WAN traffic is blocked.

•

Medium - All WAN-to-LAN traffic is blocked. All LAN-to-WAN traffic is allowed, except for Access

Control Lists (ACL's).

•

Low - All WAN-to-LAN and LAN-to-WAN traffic is allowed, except for ACL's.

Firewa l Example: Edit Rule: Destination Address

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2.7.1

Access Control List

The following access control list example shows how to allow a hypothetical connection to/from the

Internet.

1

Click the

Access Control List (ACL)

tab. Finally, click the

Add New ACL Rule

button.

Firewa l Example: Edit Rule: Destination Address

2

In the

Access Control List (ACL)

screen, configure the screen as follows and click

Apply

.

Firewa l Example: Edit Rule: Destination Address

Firewa l Example: Edit Rule: Select Customized Services

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3

On completing the configuration procedure for this Internet firewall rule, the

Rules

screen should

look like the following.

Firewa l Example: Edit Rule: Destination Address

2.8

MAC Filter Setup for Blocking LAN Computers

The following example shows how to create a MAC filter rule to block a computer from accessing

the Device.

1

Place your mouse over the

Security Settings

icon, and click

MAC Filter

in the drop down.

Firewa l Example: Edit Rule: Destination Address