
This product can be set up using
any current web browser, i.e.,
Internet Explorer 6 or Netscape
Navigator 6.
Network Security
Firewall
5V DC Power Adapter
Before You Begin
If you purchased this Network Security Firewall to connect to your high-speed
Internet connection in a secure manner, you must have either an Ethernet-based
Cable or DSL modem with an established Internet account from an Internet
Service Provider (ISP).
Check Your Package Contents
CD-ROM (containing Manual and Warranty)
Ethernet (CAT5 UTP/Straight Through) Cable
If any of the above items are missing, please contact your reseller.
DFL-200

First, connect the power adapter to the
at the back panel of the DFL-
to indicate proper operation.
1. Power off your Cable or DSL modem; some devices may not have a on/off
switch and will require you to unplug the power adapter. Now, the DFL-200
should be powered on and the Cable / DSL modem should be turned off.
2. Cable / DSL modem (Power Off
) – DFL-200 (Power On)
Connect an Ethernet cable to the Ethernet jack located on the Cable / DSL
modem. After the Ethernet cable is securely connected, power on the Cable /
DSL modem by turning on the unit or plugging in the power adapter.
3. Cable / DSL modem (
Power On) – DFL-200 (Power On)
Insert the other end of the Ethernet cable to the WAN port on the back
panel of the DFL-200. The WAN LED light will illuminate to indicate proper
connection. If the WAN LED is not illuminated, please go back to step B and
repeat its instructions.
C.
Insert an Ethernet cable to one of the
LAN ports on the back panel of the
Connect the computer that you will use to confi gure the DFL-200 to the

POWER LED – a solid light
indicates a proper connection
to the power supply.
NETWORK LEDs – a solid light on
the port indicates a connection to an
Ethernet enabled computer. These
LEDs blinks during data transmission.
Restart your computer
To obtain a new IP address from the DFL-200 you wll need
to restart your computer. Make sure that the network adapter
in your computer is confi gured properly fi rst. Instructions on
how to confi gure the network adapter to obtain an IP address
automatically from the DFL-200 can be found in the appendix.
STATUS LED – will fl ash
consistently to indicate that the
DFL-200 is working properly.

When you have completed the steps in this
Quick Installation
Guide, your connected network should look similar to this:
Activate your browser. Then type the IP address of the DFL-200

NEXT
Step 1 - Set admin password
Welcome to the DFL-200
connection wizard!
Connect to the unit via
HTTPS instead

If you are unsure of which setting to select, please
contact your Internet Service Provider
Step 3 - Confi gure WAN
interface
Select the appropriate
confi guration for the WAN
interface, if you are unsure of
which setting to select, please
contact your Internet Service
Provider.
Click Next and continue to
step 4 further down.

Next
Step 3 - Static IP
If you selected Static IP you
have to fi ll out the IP address
information provided to you
by your ISP. You will need to
complete all the required fi elds
except for Secondary DNS
Server. You should probably not
use the numbers displayed in
these fi elds, they are only used
as an example.
Click Next and continue to step
4 further down.
Next
If you selected PPPoE (Pointto-Point Protocol over Ethernet)
you will have to fi ll out the user
name and password provided
to you by your ISP. The PPPoE
Service Name fi eld should
be left blank unless your ISP
informs you otherwise.
Click Next and continue to step
4 further down.

If you selected PPTP you will
need to specify both PPTP
tunnel parameters and Physical
interface parameters.
PPTP tunnel parameters:
Enter the Username, Password
and the PPTP Server IP address
provided by your ISP.
Physical interface parameters:
DHCP
If your Internet Service Provider is
using DHCP you should select the
DHCP radio button.
Static IP
If your Internet Service Provider
is using Static IP you should
select the Static IP radio button
and enter IP Address, choose
a Subnet Mask and enter the
Gateway IP address.

Next
Step 3 - Big Pond
If you selected Big Pond you will
have to fi ll out the user name
and password provided to you
by your ISP.
Click Next and continue to step
4 further down.

If you want to use the built-in
DHCP Server in the DFL-200,
choose Enable DHCP Server
in this screen. You then need to
specify a range of IP addresses
to hand out to the DHCP clients.
This range is entered in the
format “Start IP – Stop IP” i.e.
192.168.1.100 – 192.168.1.200.
If you don’t want to use the builtin DHCP Server or confi gure
it later, choose Disable DHCP
Server and click Next when
done.
Next
Step 4 - Set up built-in DHCP
server
Next
Step 5 - Confi gure helper
servers

Restart
Setup Wizard Complete
Click Restart to complete your
confi guration.

To connect to the network, make sure the network adapter in your computer is
confi gured properly. Here’s how to confi gure the network adapter to obtain an IP
address automatically from the DFL-200 Network Security Firewall.
Internet Protocol (TCP/IP)
Obtain an IP address
automatically
with the Ethernet adapter (i.e., D-Link

System Preferences
The IP address information,
the Subnet Mask, the DFL-200
IP address and the Ethernet
adapter address will appear

Technical Support
You can fi nd software updates and user documentation on the D-Link website.
D-Link provides free technical support for customers within the United States and
within Canada for the duration of the warranty period on this product.
U.S. and Canadian customers can contact D-Link technical support through our
website, or by phone.
Tech Support for customers within the United States:
D-Link Technical Support over the Telephone:
(877) 453-5465
6am-6pm PST, Mon-Fri.
D-Link Technical Support over the Internet:
http://support.dlink.com
email:support@dlink.com
Tech Support for customers within Canada:
D-Link Technical Support over the Telephone:
(800) 361-5265
Monday to Friday 8:30am to 9:00pm EST
D-Link Technical Support over the Internet:
http://support.dlink.ca
email:support@dlink.ca
Tech Support for customers within
the United Kingdom & Ireland:
D-Link UK & Ireland Technical Support over the Telephone:
+44 (0)20 7365 8440 (United kingdom)
+353 (0)12 421 061 (Ireland)
Monday to Friday 8:00 am to 10:00 pm
D-Link Technical Support over the Internet:
http://www.dlink.co.uk