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Page 36 / 92 Scroll up to view Page 31 - 35
NETGEAR RangeMax™ NEXT Wireless Router WNR834M Reference Manual
4-2
Content Filtering
v1.3, May 2006
To enable keyword blocking, select either
Per Schedule
or
Always
, then click
Apply
. If you want
to block by schedule, be sure to specify a time period in the Schedule menu. For scheduling, see
“Scheduling When Blocking Will Be Enforced” on page 4-4
.
To add a keyword or domain, type it in the Keyword box, click
Add Keyword
, then click
Apply
.
To delete a keyword or domain, select it from the list, click
Delete Keyword
, then click
Apply
.
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 Web sites with other domain suffixes (such as .edu or
.gov) can be viewed.
•
If you wish to block all Internet browsing access during a scheduled period, enter the keyword
“.” and set the schedule in the Schedule menu.
To specify a Trusted User, enter that computer’s IP address in the Trusted User box and click
Apply
.
You may specify one Trusted User, which is a computer that is exempt from blocking and
logging. Since the Trusted User is identified by IP address, you should configure that
computer with a fixed IP address.
Blocking Access to Internet Services
The WNR834M router allows you to block the use of certain Internet services by computers on
your network. This is called service blocking or port filtering. The Block Services menu is below:
Figure 4-2
Page 37 / 92
NETGEAR RangeMax™ NEXT Wireless Router WNR834M Reference Manual
Content Filtering
4-3
v1.3, May 2006
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.
To enable service blocking, select either
Per Schedule
or
Always
, then click
Apply
. If you want to
block by schedule, be sure to specify a time period in the Schedule menu. For scheduling, see
“Scheduling When Blocking Will Be Enforced” on page 4-4
.
To specify a service for blocking, click
Add
. The Block Services Setup menu appears, as shown
below:
From the
Service Type
list, select the application or service to be allowed or blocked. The list
already displays several common services, but you are not limited to these choices. To add any
additional services or applications that do not already appear, select
User Defined
.
Figure 4-3
Page 38 / 92
NETGEAR RangeMax™ NEXT Wireless Router WNR834M Reference Manual
4-4
Content Filtering
v1.3, May 2006
Configuring a User Defined Service
To define a service, first you must determine which port number or range of numbers is used by
the application. 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 of newsgroups.
Enter the Starting Port and Ending Port numbers. If the application uses a single port number, enter
that number in both boxes.
If you know that the application uses either TCP or UDP, select the appropriate protocol. If you are
not sure, select
Both
.
Blocking Services by IP Address Range
Under “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.
Scheduling When Blocking Will Be Enforced
The WNR834M router allows you to specify when blocking is enforced. The Schedule menu is
shown below:
Use this schedule for blocking content.
Figure 4-4
Page 39 / 92
NETGEAR RangeMax™ NEXT Wireless Router WNR834M Reference Manual
Content Filtering
4-5
v1.3, May 2006
•
Days to Block. Select days to block by checking the appropriate boxes. Select
Every day
to
check the boxes for all days. Click
Apply
.
•
Time of Day to Block. Select a start and end time in 24-hour format. Select
All day
for 24-
hour blocking. Click
Apply
.
Be sure to select your Time Zone in the E-Mail menu.
Viewing Logs of Web Access or Attempted Web Access
The log is a detailed record of the Web sites you have accessed or attempted to access. Up to 128
entries are stored in the log. Log entries only appear when keyword blocking is enabled, and no log
entries are made for the Trusted User. An example is shown below:
Log entries are described in the following table.
Figure 4-5
Table 4-1. Log entry descriptions
Field
Description
Date and Time
The date and time the log entry was recorded.
Source IP
The IP address of the initiating device for this log entry.
Page 40 / 92
NETGEAR RangeMax™ NEXT Wireless Router WNR834M Reference Manual
4-6
Content Filtering
v1.3, May 2006
Log action buttons are described in the following table.
Target address
The name or IP address of the Web site or newsgroup visited or
attempted to access.
Action
This field displays whether the access was blocked or allowed.
Table 4-2. Log action buttons
Field
Description
Refresh
Click this button to refresh the log screen.
Clear Log
Click this button to clear the log entries.
Send Log
Click this button to E-mail the log immediately.
Table 4-1. Log entry descriptions
Field
Description

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