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31

3

Specify a name (

CivIV

in this example), port number 6500 (

Desktop

here), and

TCP & UDP

. Click

+ and add UDP ports 2302 and 13139.

Set it for the computer at 192.168.1.34. Click

Save

changes

.

Players on the Internet then can access Thomas’ server.

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2.8

Access Your Home Computer from the Internet Using

DDNS

It is inconvenient for you to access your home computer from the Internet if your VDSL Router uses

a dynamic WAN IP address since it changes dynamically. Dynamic DNS (DDNS) allows you to

access your home computer using a domain name.

Note: Enable remote desktop server service on your home computer. The remote desktop

server feature covered here is included in Windows Professional, Business, and

Ultimate versions.

Note: If firewall is enabled, you may also need to configure a firewall rule for the relevant

ports. See

Section 2.9.2 on page 35

.

To use this feature, apply for DDNS service at www.dyndns.org or TZO. This tutorial covers:

•

Registering a DDNS Account on www.dyndns.org

•

Configuring DDNS on Your VDSL Router

•

Configuring Port Forwarding on your VDSL Router

•

Testing the DDNS Setting

Note: If you have a private WAN IP address, then you cannot use DDNS.

2.8.1

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 VDSL Router is currently using. You can find the

IP address on the VDSL Router’s Web Configurator

Status

page.

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

w.x.y.z

a.b.c.d

A

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2.8.2

Configuring DDNS on Your VDSL Router

Configure the following settings in the

Wireless network > Classic configuration > Advanced

Setup > DNS > Dynamic DNS > Add

screen.

• Select

DynDNS.org

as the D-DNS provider.

• Type

zyxelrouter.dyndns.org

in the

Host Name

field.

•

Leave the interface set to the default unless you have configured another interface to use.

•

Enter the user name (

UserName1

) and password (

12345

).

• Click

Apply/Save

.

2.8.3

Configuring Port Forwarding on your VDSL Router

Configure the following settings in the

Wireless network > Classic configuration > Advanced

Setup > NAT > Virtual Servers > Add

screen.

•

Leave the interface set to the default unless you have configured another interface to use.

• Select

Custom Service

and type

RD

in the 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

. See

Configuring Static DHCP

to configure a Static DHCP rule for this IP address.

• Type

3389

in the

External/Internal Start/End Port

fields. This is the listening port for

Windows remote desktop.

•

Select the

TCP

in the

Protocol

field.

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Click

Apply/Save

.

2.8.4

Testing the DDNS Setting

Test your access to your computer from the Internet.

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.

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2.9

Configuring the Firewall

Click

Wireless network > Classic configuration > Advanced Setup > Firewall > General

and select

Active Firewall

to turn on Denial of Service (DoS) protection. Select the default policy’s

Active

check box to block sessions initiated from the Internet from coming in through the ppp0.1

WAN interface. Click

Apply

.

Firewa l Example: Edit Rule: Destination Address

2.9.1

Interface Default Policy

Click the

Firewall > General

screen’s

Add

button to add an interface default policy to block or

allow sessions initiated from the network connected to an interface. This example allows sessions

initiated from the Internet to come in through the ppp1.1 WAN interface.

Firewa l Example: Edit Rule: Destination Address

2.9.2

Firewall Rules

Use

Firewall > Rules

to control traffic by source and destination IP address and port.

Note: You may need to configure a firewall rule for the relevant ports if you use a NAT

virtual server or DMZ host.

1

Click

Add

to create a new rule.