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Page 46 / 96 Scroll up to view Page 41 - 45
108 Mbps Wireless Router WGT624 v4 Reference Manual
2-16
Wireless Settings and Security
v1.0, May 2007
•
Wireless Card Access List.
When the Trusted PCs Only radio button is selected, the
WGT624 v4 checks the MAC address of the wireless station and allows only connections to
computers identified on the trusted computers list.
•
108Mbps Settings.
–
Disable Advanced 108Mbps Features
: Disables data compression, packet bursting, and
large frame support.
–
Enable eXtended Range
: Provides significantly longer range than basic 802.11,
maintaining connectivity even when signals have to pass through dense walls, floors, or
other barriers. XR products require no additional configuration and are fully compatible
with standard 802.11 technologies.
Note:
If the current wireless mode is Auto 108 Mbps, then this feature cannot be
changed. It is to ensure the highest throughput when in Auto 108 Mbps
wireless mode.
Note:
The
Fragmentation Threshold
,
CTS/RTS Threshold
, and
Preamble Mode
options are reserved for wireless testing and advanced configuration only. Do not
change these settings.
Page 47 / 96
3-1
v1.0, May 2007
Chapter 3
Content Filtering
This chapter describes how to use the WGT624 v4 wireless router content filtering features to
protect your network.
The WGT624 v4 wireless router provides you with Web content filtering options, plus browser
activity reporting and instant alerts via e-mail. You can establish restricted-access policies based
on time of day, Web addresses and web address keywords. You can also block Internet access by
applications and services, such as chat or games.
Log in to the router at its default LAN address of
with its default user
name of
admin
and default password of
password
, or using whatever LAN address and password
you have set up. The content filtering features are on the router’s main menu.
Blocking Access to Internet Sites
You can restrict access based on Web addresses and web address keywords. Up to 255 entries are
supported in the Keyword list. The Block Sites page is shown below:
•
To enable keyword blocking, select either Per Schedule or Always, and then click
Apply
. If
you want to block by schedule, be sure that a time period is specified in the Schedule page.
Figure 3-1
Page 48 / 96
108 Mbps Wireless Router WGT624 v4 Reference Manual
3-2
Content Filtering
v1.0, May 2007
•
To add a keyword or domain, type it in, click Add Keyword, and then click
Apply
.
•
To delete a keyword or domain, select it from the list, click Delete Keyword, and then click
Apply
.
•
To specify a trusted user, enter that computer’s IP address in the Trusted User box and then
click
Apply
. You may specify one trusted user, which is a computer that will be exempt from
blocking and logging. Since the trusted user will be identified by an IP address, you should
configure that computer with a fixed IP address.
Keyword Application Examples
•
If the keyword “XXX” is specified, the URL <http://www.badstuff.com/xxx.html> is blocked.
•
If the keyword “.com” is specified, only websites with other domain suffixes (such as .edu or
.gov) can be viewed.
•
If you want to block all Internet browsing access during a scheduled period, enter the keyword
“.” and set the schedule in the Schedule page.
Blocking Services (Port Filtering)
You can block the use of certain Internet services by computers on your network. This is called
services blocking or port filtering.
Services are functions performed by server computers at the request of client computers. For
example, Web servers serve Web pages, time servers serve time and date information, and game
hosts serve data about other players’ moves.
When a computer on your network sends a request for service to a server computer on the Internet,
the requested service is identified by a service or port number. This number appears as the
destination port number in the transmitted IP packets. For example, a packet that is sent with
destination port number 80 is an HTTP (Web server) request.
Page 49 / 96
108 Mbps Wireless Router WGT624 v4 Reference Manual
Content Filtering
3-3
v1.0, May 2007
Blocking Access to Internet Services
To block access to Internet services:
1.
Click Block Access to go to the Block Services page:
2.
Select the Services Blocking setting that you want:
•
Never.
Do not block services.
•
Per Schedule.
Block services based on the schedule. Make sure that you specify a time
period in the Schedule page.
•
Always.
Always block services.
3.
Click
Apply
.
Adding a Service to be Blocked
To specify a service for blocking:
1.
On the Block Sites page, click Add. The Block Services Setup page appears:
Figure 3-2
Figure 3-3
Page 50 / 96
108 Mbps Wireless Router WGT624 v4 Reference Manual
3-4
Content Filtering
v1.0, May 2007
2.
From the Service Type drop-down list, select the application or service to be allowed or
blocked.
The list displays several common services, but you are not limited to these choices.
3.
To add any additional services or applications that do not already appear, select User Defined.
See
“Creating a User-Defined Service Type” on page 3-4
.
4.
You can use the Filter Services for settings to block the specified service for a single computer,
a range of computers (having consecutive IP addresses), or all computers on your network.
Creating a User-Defined Service Type
You will need to enter the protocol, starting point, and ending point for the service type.
•
Protocol.
If you know that the application uses either TCP or UDP, select the appropriate
protocol. If you are not sure, select TCP/UDP.
•
Starting Point and Ending Point.
Enter the starting port and ending port numbers. If the
application uses a single port number, enter that number in both boxes.
To define a service, you must determine which port number or range of numbers the
application uses. The service numbers for many common protocols are defined by the Internet
Engineering Task Force (IETF) and published in RFC1700, “Assigned Numbers.” Service
numbers for other applications are typically chosen from the range 1024 to 65535 by the
authors of the application. This information can usually be determined by contacting the
publisher of the application or from user groups or news groups.
•
Filter Services For.
You can block the specified service for a single computer, a range of
computers (having consecutive IP addresses), or all computers on your network.

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