NETGEAR MR814v3 Router Manual PDF (Setup & Configuration Guide)

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Reference Manual for the MR814 v3 Cable/DSL Wireless Router

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Blocking Access to Internet Sites

The MR814 v3 router allows you to restrict access based on web addresses and web address

keywords. Up to 255 entries are supported in the Keyword list. The Block Sites menu is shown in

Figure 5-1

below:

Figure 5-1:

Block Sites menu

To enable keyword blocking, select either “Per Schedule” or “Always”, then click Apply. If you

want to block by schedule, be sure that a time period is specified in the Schedule menu.

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.

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•

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 PC’s IP address in the Trusted User box and click Apply.

You may specify one Trusted User, which is a PC that will be exempt from blocking and

logging. Since the Trusted User will be identified by an IP address, you should configure that

PC with a fixed IP address.

Blocking Access to Internet Services

The MR814 v3 router allows you to block the use of certain Internet services by PCs on your

network. This is called services blocking or port filtering. The Block Services menu is shown

below:

Figure 5-2:

Block Services menu

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 that a time period is specified in the Schedule menu.

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To specify a service for blocking, click Add. The Add Services menu will appear, as shown below:

Figure 5-3:

Add Services menu

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.

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.

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Configuring Services Blocking by IP Address Range

Under “Filter Services For”, you can block the specified service for a single PC, a range of PCs

(having consecutive IP addresses), or all PCs on your network.

Scheduling When Blocking Will Be Enforced

The MR814 v3 router allows you to specify when blocking will be enforced. The Schedule menu

is shown below:

Figure 5-4:

Schedule menu

•

Use this schedule for blocking content. Check this box if you wish to enable a schedule for

Content Filtering. Click Apply.

•

Days to Block. Select days to block by checking the appropriate boxes. Select Everyday to

check the boxes for all days. Click Apply.

•

Time of Day to Block. Select a start and end time in 23:59 format. Select All day for 24 hour

blocking. Click Apply.

Be sure to select your Time Zone in the E-Mail menu.

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Viewing Logs of Web Access or Attempted Web Access

The log is a detailed record of what Web sites you have accessed or attempted to access. Up to 128

entries are stored in the log. Log entries will only appear when keyword blocking is enabled, and

no log entries will be made for the Trusted User. An example is shown below:

Figure 5-5:

Logs menu

Log entries are described in

Table 5-1

Table 5-1.

Log entry descriptions

Field

Description

Number

The index number of the content filter log entries. 128 entries

are available numbered from 0 to 127. The log will keep the

record of the latest 128 entries.

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.

Action

This field displays whether the access was blocked or allowed.

The name or IP address of the website or newsgroup visited or

attempted to access.

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