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Page 106 / 128 Scroll up to view Page 101 - 105
98
10 INTERNET SECURITY
DMS-CTC-20101206-0033 v1.0
10.1 Parental Control
Introduction
The MediaAccess Gateway allows you to deny access to specific web sites.
Access Denied page
When a user tries to access a page that is being blocked, the following page is displayed:
Address-based filtering
With address-based filtering (or URL-filtering) you can
block web sites based on their address
(for example
www.porn.com).
Content-based filtering
As you know, the Internet consists of a large number of web sites, and that number still increases every day. This makes it
almost impossible to keep the list of addresses up-to-date.
To solve this problem MediaAccess Gateway introduced content-based filtering.
With content-based filtering you can
block web sites based on their content category
(for example pornography) instead
of their URL. This way, you only need to select the appropriate categories and the content category server takes care of the
rest. This content category server is updated at regular intervals.
Combining the two filters
Address-based filtering has priority over content-based filtering
. This means that when you are blocking a specific
category, you can still access a specific address provided you create a rule to allow access to that URL.
For example, if you are blocking content from the
Finance / Investment
category, you can create a rule to make an
exception for netbanking.mybank.com.
Activating content-based filtering
Before you can use content-based filtering you must first activate it by purchasing a license key at your service provider or by
activating the 30-day trial.
Proceed as follows:
1
Browse to the
MediaAccess Gateway GUI
.
For more information, see
“Accessing the MediaAccess Gateway GUI” on page 37
.
2
On the
Toolbox
menu, click
Parental Control
.
3
In the
Pick a task
list, click
Activate Web Filtering
License.
4
The
Web Filtering Activation
page appears. Under
License Type
, select:
30-days evaluation
if you first want evaluate this feature.
Standard
if you have already purchased a license key. The License key box appears as soon as you select this option.
Type the license key that you received from your service provider in this box.
5
Click
Apply
.
Page 107 / 128
99
10 INTERNET SECURITY
DMS-CTC-20101206-0033 v1.0
Option 1: content-based filter (combined with the address-based filter)
If you want to use the content-based filtering:
1
Browse to the
MediaAccess Gateway GUI
.
For more information, see
“Accessing the MediaAccess Gateway GUI” on page 37
.
2
On the
Toolbox
menu, click
Parental Control
.
3
On the
Navigation bar
, click
Configure
.
4
Make sure that the
Use Content-Based Filter
check box is selected.
5
Configure the content-based filter. For more information, see
“10.1.1 Configuring Content-based Filtering” on page 100
.
6
If you want to make exceptions for specific web sites, add the necessary rules in the address-based filter. For more
information, see
“10.1.2 Adding Rules for Address-Based Filtering” on page 101
.
Option 2: address-based filter only
Take this option if content filtering is not available on your MediaAccess Gateway or you don’t want to use it.
To configure address-based filtering:
1
Browse to the
MediaAccess Gateway GUI
.
For more information, see
“Accessing the MediaAccess Gateway GUI” on page 37
.
2
On the
Toolbox
menu, click
Parental Control
.
3
On the
Navigation bar
, click
Configure
.
4
Make sure that the
Use Address-Based Filter
check box is selected.
5
In the
Action for Unknown Sites
, select:
Allow
as the default rule if you want to allow access to
all
web sites and manually specify which web sites may not be
accessed.
Block
as the default rule if you want to deny access to
all
web sites and manually specify a number of web sites that
may be accessed.
6
Click
Apply
.
7
If you want to make exceptions for specific web sites, add the necessary rules in the address-based filter.
For more information, see
“10.1.2 Adding Rules for Address-Based Filtering” on page 101
.
Page 108 / 128
100
10 INTERNET SECURITY
DMS-CTC-20101206-0033 v1.0
10.1.1 Configuring Content-based Filtering
Requirements
Content-based filtering must be activated on your MediaAccess Gateway.
For more information, see
“Activating content-based filtering” on page 98
.
Accessing the configuration page
Proceed as follows:
1
Browse to the
MediaAccess Gateway GUI
.
For more information, see
“Accessing the MediaAccess Gateway GUI” on page 37
.
2
On the
Toolbox
menu, click
Parental Control
.
3
On the
Navigation bar
, click
Configure
.
4
Under
Content-Based Filtering
you can change the settings of the content-based filter.
Configuration
Under
Content-Based Filtering
:
1
Select
Use Content-Based Filter
check box (if needed).
2
In the
Action for uncategorised sites
list, select a default action for sites that have not yet been categorised.
3
Under
Content Level
, select the content level you want to use.
If you want a more detailed view of the content that will be blocked for this level, click the
Edit
link next to the content
level.
If needed, you can change the
Name
,
Description
and
Configuration
of the content level.
4
Click
Apply
after you have made your changes.
Creating your own content level
Proceed as follows:
1
In the
Pick a task
list, click
Create a new content level
.
2
Enter a
Name
and
Description
for your content level and click
Next
.
3
Under
Configuration
, select:
Clone Existing Level
if you want to start from an existing level. You can now select the level that you want to clone.
White list
if you want to block everything and select which content should be allowed.
Black list
if you want to allow everything and select which content should be blocked.
Click
Next
.
4
Under
Configuration
:
Select the check boxes of the categories/groups you want to allow.
Clear the check boxes of the categories/groups you want to block.
5
Click
Apply
.
6
Configure the content-based filter with the new level. For more information, see
“Configuration” on page 100
.
Page 109 / 128
101
10 INTERNET SECURITY
DMS-CTC-20101206-0033 v1.0
10.1.2 Adding Rules for Address-Based Filtering
Introduction
Address-based filtering has a higher priority than content-based filtering. This means that when you are blocking a specific
category, you can still access a specific site if you allow it in the address-based filter.
Example
If you block content from the
Finance / Investment
category and allow access to netbanking.mybank.com,
netbanking.mybank.com will still be accessible.
Options
With the address-based filter you can:
Deny access to a specific web site
.
Allow access to a specific web site
.
Redirect a web site
.
Redirect all web sites
.
Deny access to a specific web site
Proceed as follows:
1
Browse to the
MediaAccess Gateway GUI
.
For more information, see
“Accessing the MediaAccess Gateway GUI” on page 37
.
2
On the
Toolbox
menu, click
Parental Control
.
3
Make sure the
Use Address-Based Filter
check box is selected.
4
Type the URL of the Web site you want to block (for example “mail.provider.com”) in the
Web Site
box.
5
In the
Action
list, click
Block
.
6
Click
Add
.
Allow access to a specific web site
Proceed as follows:
1
Browse to the
MediaAccess Gateway GUI
.
For more information, see
“Accessing the MediaAccess Gateway GUI” on page 37
.
2
On the
Toolbox
menu, click
Parental Control
.
3
Make sure the
Use Address-Based Filter
check box is selected.
4
Type the URL of the Web site you want to allow (for example “netbanking.bank.com”) in the
Web Site
box.
5
In the
Action
list, click
Allow
.
6
Click
Add
.
Redirect a web site
Proceed as follows:
1
Browse to the
MediaAccess Gateway GUI
.
For more information, see
“Accessing the MediaAccess Gateway GUI” on page 37
.
2
On the
Toolbox
menu, click
Parental Control
.
3
Make sure the
Use Address-Based Filter
check box is selected.
4
Type the URL of the Web site you want to redirect (for example “cracks.am”) in the
Web Site
box.
Page 110 / 128
102
10 INTERNET SECURITY
DMS-CTC-20101206-0033 v1.0
5
Click
Redirect
in the
Action
list.
6
Type the URL of the Web site you want to redirect to (for example “mycompany.com/internetpolicy.htm”) in the
Redirect
box.
7
Click
Add
.
Redirect all web sites
Proceed as follows:
1
Browse to the
MediaAccess Gateway GUI
.
For more information, see
“Accessing the MediaAccess Gateway GUI” on page 37
.
2
On the
Toolbox
menu, click
Parental Control
.
3
Make sure the
Use Address-Based Filter
check box is selected.
4
Type “*” in the
Web Site
box.
5
Click
Redirect
in the
Action list
.
6
Type the URL of the Web site you want to redirect to (for example “mycompany.com/internetpolicy.htm”) in the
Redirect
box.
7
Click
Add
.

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