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Internet Security
6
Internet Security
Overview
The Thomson Gateway offers you various options to secure your network:
Topic
Page
Firewall
66
Web site Filtering
67
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Internet Security
6.1
Firewall
Changing the security level
Proceed as follows:
1
Browse to the
Thomson Gateway Web Interface
.
2
On the
Toolbox
menu, click
Firewall
.
3
The
Firewall
page appears. In the upper-right corner, click
Configure
.
4
A list with security settings with a brief description is displayed.
5
Select the security level of your choice and click
Apply
.
Creating a new security level
If you do not find a security level up to your need, you are able to create a new security level.
Proceed as follows:
1
In the
Toolbox
menu, click
Firewall
.
2
In the upper right corner, click
Configure
.
3
In the
Pick a task
list, click
Create a new Security Level
.
4
In the
Name
box, type a name for the new security level.
5
In the
Clone from existing Security Levels
list, click the security level you want to start from.
6
Click
Apply
.
7
You can now make the necessary changes to the security level.
This feature is intended for
advanced users only
.
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Internet Security
6.2
Web site Filtering
Introduction
Web site filtering allows you to restrict access to specific web sites.
Strategies
There are two strategies you can follow:
±
Allow
access to
all
web sites and manually specify which web sites may not be accessed.
- or -
±
Deny
access to
all
web site and manually specify a number of web sites that may be accessed.
Procedure
Proceed as follows:
1
Enable Web site filtering and specify a default action
.
2
Configure the exceptions
.
Enable Web site filtering and specify a default action
Proceed as follows:
1
Browse to the
Thomson Gateway Web Interface
.
2
On the
Toolbox
menu, click
Web Site Filtering
.
3
On the
Navigation Bar
, click
Configure
.
4
Select the
Use Address Based Filter
check box.
5
In the
Action for Unknown Sites
, select the action you want to use by default.
6
Click
Apply
.
Configure the exceptions
You can now:
±
Denying access to a specific Web site
±
Allowing access to a specific Web site
±
Redirecting a Web site
±
Redirecting all Web sites
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Internet Security
6.2.1
Denying access to a specific Web site
Use cases
Use this feature if:
±
Allow
is selected under
Action for Unknown Sites
and you want to make an exception for a specific site.
±
Block
is selected under
Action for Unknown Sites
and you want to make an exception on an allow rule.
For example: you are allowing “provider.com” but you want to block access to “mail.provider.com”.
Procedure
Proceed as follows:
1
Browse to the
Thomson Gateway Web Interface
.
2
On the
Toolbox
menu, click
Web Site Filtering
.
3
Select the
Use Address Based Filter
check box.
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:
²
Block
if you want to block this Web site.
²
Redirect
if you want to redirect to another page. Type the address of the redirect page in the
Redirect
box.
6
Click
Add
.
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Internet Security
6.2.2
Allowing access to a specific Web site
Use cases
Use this feature if:
±
Block
is selected under
Action for Unknown Sites
and you want to make an exception for a specific site.
±
Allow
is selected under
Action for Unknown Sites
and you want to make an exception on a block/redirect
rule. For example: you are blocking “bank.com” but you want to allow access to “netbanking.bank.com”.
Procedure
Proceed as follows:
1
Type the URL of the Web site you want to allow (for example “netbanking.bank.com”) in the
Web Site
box.
2
Click
Allow
in the
Action
list.
3
Click
Add
.
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