D-Link DI-LB604 Router Manual PDF (Setup & Configuration Guide)

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D-Link Systems, Inc.

Frequently Asked Questions

13 How do I conﬁgure my router to play Warcraft 3?

You must open ports on your router to allow incoming trafﬁc while hosting a game in

Warcraft 3. To play a game, you do not have to conﬁgure your router.

Warcraft 3 (Battlenet) uses port 6112.

Step 1:

Open your web browser and enter the IP Address of your router (192.168.0.1).

Enter username (admin) and your password (leave blank).

Step 2:

Click on

Advanced

and then click

Virtual Server

.

Step 3:

Create a new entry: Click

Enabled

. Enter a name (warcraft3). Private IP - Enter

the IP Address of the computer you want to host the game. Select

TCP

for Protocol Type

Enter

6112

for both Private Port and Public Port Click

Always

or set a schedule.

Step 4 Click

Apply

and then

Continue

.

Note: In order to host a Warcraft 3 game, you need to be able to accept both types of

trafﬁc on the computer that is running this game. To ensure this, please repeat steps

1-4 and this time make sure to select

UDP

for Protocol Type.

Note: If you want multiple computers from you LAN to play in the same game that

you are hosting, then repeat the steps above and enter the IP Addresses of the other

computers. You will need to change ports. Computer #2 can use port 6113, computer

#3 can use 6114, and so on.

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DI-LB604 User’s Manual

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Frequently Asked Questions

You will need to change the port information within the Warcraft 3 software for computers

#2 and up.

Conﬁgure the Game Port information on each computer:

Start Warcraft 3 on each computer, click

Options

>

Gameplay

. Scroll down and you

should see

Game Port

. Enter the port number as you entered in the above steps.

14 How do I use NetMeeting with my D-Link Router?

Unlike most TCP/IP applications, NetMeeting uses

DYNAMIC PORTS

instead of STATIC

PORTS. That means that each NetMeeting connection is somewhat different than the

last. For instance, the HTTP web site application uses port 80. NetMeeting can use

any of over 60,000 different ports.

All broadband routers using (only) standard NAT and all internet sharing programs like

Microsoft ICS that use (only) standard NAT will NOT work with NetMeeting or other

h.323 software packages.

The solution is to put the router in DMZ.

Note: A few hardware manufacturers have taken it on themselves to actually provide

H.323 compatibility. This is not an easy task since the router must search each incoming

packet for signs that it might be a netmeeting packet. This is a whole lot more work

than a router normally does and may actually be a

weak point in the ﬁrewall

. D-Link

is not one of the manufacturers.

To read more on this visit http://www.HomenetHelp.com.

15 What is NAT?

NAT stands for

Network Address Translator

. It is proposed and described in RFC-

1631 and is used for solving the IP Address depletion problem. Basically, each NAT box

has a table consisting of pairs of local IP Addresses and globally unique addresses, by

which the box can “translate” the local IP Addresses to global address and vice versa.

Simply put, it is a method of connecting multiple computers to the Internet (or any other

IP network) using one IP Address.

D-Link´s broadband routers (ie: DI-LB604) support NAT. With proper conﬁguration,

multiple users can access the Internet using a single account via the NAT device.

For more information on RFC-1631: The IP Network Address Translator (NAT), visit

http://www.faqs.org/rfcs/rfc1631.html.

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Appendix

Securing Your Network

1. Change Admin Password

Changing the password to access your new router is the ﬁrst step in securing your

network.

This can done through the Wizard or on the Admin Page of the Tools tab.

There is no password by default and hackers will know this when trying to access

your network.

Make sure that the password you choose is not commonly known or

something that is easy to guess such as your last name or your pet’s name. Try using

a combination of letters and numbers to deter intruders from hacking into your network.

Your private information should be kept private.

2. Change your SSID

3. Enable WEP and WPA

4. Change the default LAN IP address

Change the default LAN IP address from 192.168.0.1 to an alternate IP address. There

are 3 ranges of IP addresses that have been reserved for use on Private Networks.

10.0.0.0

-

10.255.255.255 (10.0.0.0/8)

172.16.0.0 -

172.31.255.255 (172.16.0.0/12)

192.168.0.0 -

192.168.255.255 (192.168.0.0/16)

D-Link routers use 192.168.0.1 as their default LAN IP address. Choosing an alternate

IP address lessens the probability of an intruders knowing what IP network your devices

are on.

5. Set up MAC Filtering

Each networking device (router, network card, etc) on a network contains a unique

hexadecimal number that identiﬁes that speciﬁc product.

This number is referred to as

a MAC address.

MAC ﬁltering allows you to create a list of the MAC address of each

device on your network and only allows these speciﬁc devices to associate with your

network. With this feature enabled, devices attempting to connect to your network with

a MAC address that is not in the list you created, will be denied access.

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Appendix

Glossary

A

Access Control List -

ACL.

Database of network devices that are allowed to access resources on the

network.

Access Point -

AP. Device that allows wireless clients to connect to it and access the network

Ad-hoc network -

Peer-to-Peer network between wireless clients

Address Resolution Protocol -

ARP. Used to map MAC addresses to IP addresses so that conversions can

be made in both directions.

ADSL -

Asymmetric Digital Subscriber Line

Advanced Encryption Standard -

AES. Government encryption standard

Alphanumeric -

Characters A-Z and 0-9

Antenna -

Used to transmit and receive RF signals.

AppleTalk –

A set of Local Area Network protocols developed by Apple for their computer systems

AppleTalk Address Resolution Protocol –

AARP. Used to map the MAC addresses of Apple computers to

their AppleTalk network addresses, so that conversions can be made in both directions.

Application layer -

7th Layer of the OSI model. Provides services to applications to ensure that they can

communicate properly with other applications on a network.

ASCII -

American Standard Code for Information Interchange. This system of characters is most commonly

used for text ﬁles

Attenuation –

The loss in strength of digital an analog signals. The loss is greater when the signal is being

transmitted over long distances.

Authentication –

To provide credentials, like a Password, in order to verify that the person or device is really

who they are claiming to be

Automatic Private IP Addressing -

APIPA. An IP address that a Windows computer will assign itself when it

is conﬁgured to obtain an IP address automatically but no DHCP server is available on the network

B

Backward Compatible -

The ability for new devices to communicate and interact with older legacy devices to

guarantee interoperability

Bandwidth -

The maximum amount of bytes or bits per second that can be transmitted to and from a network

device

Basic Input/Output System –

BIOS. A program that the processor of a computer uses to startup the system

once it is turned on

Baud –

Data transmission speed

Bit rate –

The amount of bits that pass in given amount of time

bit/sec –

bits per second

BOOTP –

Bootstrap Protocol.

Allows for computers to be booted up and given an IP address with no user

intervention

Bottleneck –

A time during processes when something causes the process to slowdown or stop all together

Broadband –

A wide band of frequencies available for transmitting data

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Appendix

Broadcast –

Transmitting data in all directions at once

Browser –

A program that allows you to access resources on the web and provides them to you graphically

C

Cable modem –

A device that allows you to connect a computer up to a coaxial cable and receive Internet

access from your Cable provider

CardBus –

A newer version of the PC Card or PCMCIA interface.

It supports a 32-bit data path, DMA, and

consumes less voltage

Carrier Sense Multiple Access/Collision Avoidance –

CSMA/CA

Carrier Sense Multiple Access/Collision Detect –

CSMA/CD

CAT 5 –

Category 5. Used for 10/100 Mbps or 1Gbps Ethernet connections

Client –

A program or user that requests data from a server

Collision –

When do two devices on the same Ethernet network try and transmit data at the exact same

time.

Cookie – I

nformation that is stored on the hard drive of your computer that holds your preferences to the site

that gave your computer the cookie

CSMA/CA –

Carrier Sense Multiple Access/Collision Avoidance

CSMA/CD –

Carrier Sense Multiple Access/Collision Detection

D

Data –

Information that has been translated into binary do that it can be processed or moved to another

device

Data Encryption Standard –

Uses a randomly selected 56-bit key that must be known by both the sender and

the receiver when information is exchanged

Data-Link layer –

The second layer of the OSI model.

Controls the movement of data on the physical link of

a network

Database –

Organizes information so that it can be managed updated, as well as easily accessed by users

or applications

DB-25 –

A 25 ping male connector for attaching External modems or RS-232 serial devices

DB-9 –

A 9 pin connector for RS-232 connections

dBd -

decibels related to dipole antenna

dBi -

decibels relative to isotropic radiator

dBm -

decibels relative to one milliwatt

Decrypt –

To unscramble an encrypted message back into plain text

Default

– A predetermined value or setting that is used by a program when no user input has been entered

for this value or setting

Demilitarized zone – DMZ.

A single computer or group of computers that can be accessed by both users on

the Internet as well as users on the Local Network, but that is not protected by the same security as the Local

Network.

DHCP – Dynamic Host Conﬁguration Protocol.

Used to automatically assign IP addresses from a predeﬁned

pool of addresses to computers or devices that requests them

Digital certiﬁcate –

An electronic method of providing credentials to a server in order to have access to it or

a network

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