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Page 31 / 196 Scroll up to view Page 26 - 30
Setting up your wireless router
31
5
Click the
Wireless Networks
tab, then click
Configure
. The following screen opens.
6
For a home or small business user, select
WPA-PSK
under
Network Authentication
.
Note
: Select
WPA
if you are using this computer to connect to a corporate network that
supports an authentication server such as a radius server. Consult your network
administrator for further information.
7
Select
TKIP
or
AES
under
Data Encryption
. This setting must be identical to the
router that you set up.
8
Type in your encryption key in the
Network key
box.
Important
: Enter your pre-shared key. This can be from eight to 63 characters and can be
letters, numbers, or symbols. This same key must be used on all of the clients that you set
up.
9
Click
OK
to apply settings.
Using the Access Point Mode
Note
: This advanced feature should be employed by advanced users only. The Router can be
configured to work as a wireless network access point. Using this mode will defeat the NAT
IP sharing feature and DHCP server. In Access Point (AP) mode, the Router will need to be
configured with an IP address that is in the same subnet as the rest of the network that
you will bridge to. The default IP address is 192.168.2.254 and subnet mask is
255.255.255.0. These can be customized for your needs.
Page 32 / 196
32
Setting up your wireless router
To use the Access Point mode:
1
Click
Use as access point
under the
Wireless
heading on the left menu. The
Wireless
> Use as Access Point
page opens.
2
Select
Enable
. When you select this option, you will be able to change the IP settings.
3
Set your IP settings to match your network, then click
Apply Changes
.
4
Connect a cable from the Modem port on the router to your existing network.
The router is now acting as an access point. To access the router's Web-Based
Advanced User Interface again, type the IP address you specified into your browser's
navigation bar. You can set the encryption settings, MAC address filtering, SSID, and
channel normally.
Configuring the Firewall
Your router is equipped with a firewall that will protect your network from a wide array of
common hacker attacks including:
•
IP Spoofing
•
SYN flood
•
Land Attack
•
UDP flooding
•
Ping of Death (PoD)
•
Tear Drop Attack
•
Denial of Service (DoS)
•
ICMP defect
•
IP with zero length
•
RIP defect
•
Smurf Attack
•
Fragment flooding
•
TCP Null Scan
Page 33 / 196
Setting up your wireless router
33
The firewall also masks common ports that are frequently used to attack networks. These
ports appear to be
Stealth
, meaning that for all intents and purposes, they do not exist to a
would-be hacker. You can turn the firewall function off if needed, however, it is
recommended that you leave the firewall enabled. Disabling the firewall protection will not
leave your network completely vulnerable to hacker attacks, but it is recommended that you
leave the firewall enabled.
Configuring Internal Forwarding Settings
The
Virtual Servers
function lets you route external (Internet) calls for services such as a Web
server (port 80), FTP server (Port 21), or other applications through your router to your
internal network. Since your internal computers are protected by a firewall, computers
outside your network (over the Internet) cannot get to them because they cannot be
seen
.
You will need to contact the application vendor to find out which port settings you need.
To enter settings into the virtual server:
1
Open the
Virtual Servers
page, then enter the IP address in the space provided for the
internal (server) machine, and the port(s) required to pass.
2
Select the port type (TCP or UDP), check the
Enable
box, then click
Apply Changes
.
Each inbound port entry has two fields with five characters maximum per field that
allows a start and end port range, e.g. [xxxxx]-[xxxxx]. For each entry, you can enter a
single port value by filling in the two fields with the same value (for example,
[7500]-[7500]) or a wide range of ports (for example [7500]-[9000]). If you need
multiple single port values or a combination of ranges and a single value, you must
use multiple entries up to the maximum of 20 entries (for example, 1. [7500]-[7500],
2. [8023]-[8023], 3. [9000]-[9000]). You can only pass one port per internal IP
address. Opening ports in your firewall can pose a security risk. You can enable and
disable settings very quickly. It is recommended that you disable the settings when
you are not using a specific application.
Page 34 / 196
34
Setting up your wireless router
Setting Client IP Filters
The router can be configured to restrict access to the Internet, e-mail, or other network
services at specific days and times. Restriction can be set for a single computer, a range of
computers, or multiple computers.
To restrict Internet access to a single computer:
1
Open the
Firewall > Client IP filters
page, then enter the IP address of the computer you
wish to restrict access to in the IP fields.
2
Enter
80
in both the port fields, select
Both
, then select
Block
. You can also select
Always
to block access all of the time.
3
Select the day to start on top, the time to start on top, the day to end on the bottom,
and the time to stop on the bottom.
4
Select
Enable
, then click
Apply Changes
. The computer at the IP address you
specified will now be blocked from Internet access at the times you specified. Be sure
you have selected the correct time zone under
Utilities
>
System Settings
>
Time
Zone
.
Setting MAC Address Filtering
The MAC address filter is a powerful security feature that allows you to specify which
computers are allowed on the network. Any computer attempting to access the network that
is not specified in the filter list will be denied access. When you enable this feature, you must
enter the MAC address of each client (computer) on your network to allow network access to
each.
To set MAC Address Filtering:
1
Open the
Firewall > MAC Address filters
page, then click
Enable MAC Address
Filtering
.
2
Enter the MAC address of each computer on your network by clicking in the space
provided and entering the MAC address of the computer you want to add to the list.
Page 35 / 196
Setting up your wireless router
35
3
Click
Add
, then click
Apply Changes
to save the settings. You can have a
MAC-address-filtering list of up to 32 computers.
Note
: You will not be able to delete the MAC address of the computer you are using to access
the Router's administrative functions (the computer you are using now).
Enabling the Demilitarized Zone (DMZ)
The DMZ feature lets you specify one computer on your network to be placed outside of the
firewall. This may be necessary if the firewall is causing problems with an application such as
a game or video conferencing application. Use this feature on a temporary basis. The
computer in the DMZ is NOT protected from hacker attacks. If your ISP subscription provides
you with additional public (WAN) IP addresses, additional computers can be placed outside
the firewall provided each computer uses a different public (WAN) IP.
To set up a DMZ for a computer:
•
Open the
Firewall > DMZ
page and enter the last digits of the computer’s IP address in
the
IP field
, click
Enable
, then click
Apply Changes
for the change to take effect.
WAN Ping Blocking
Computer hackers use what is known as
pinging
to find potential victims on the Internet. By
pinging a specific IP address and receiving a response from the IP address, a hacker can
determine that something of interest might be there. The router can be set up so it will not
respond to an ICMP ping from the outside. This heightens the level of security of your router.
To turn off the ping response
•
Open the
Firewall > WAN Ping Blocking
page and select Block ICMP Ping, then click
Apply Changes
. The router will not respond to an ICMP ping.

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