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5 Internet security

Overview

The Gateway offers various options to secure your Internet connection:

Topic

Page

5.1

Parental control

34

5.1.1

Manage sites

35

5.1.2

Manage services

37

5.1.3

Manage devices

38

5.1.4

View parental control reports

40

5.2

Firewall

41

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5.1 Parental control

Introduction

The parental control function:



Prevents access to specific website based on the URL or keywords.

For more information, see

“5.1.1 Manage sites” on page 35

.



Prevents access to specific application or services (for example, FTP).

For more information, see

“5.1.2 Manage services” on page 37

.



Prevents devices from accessing your network.

For more information, see

“5.1.3 Manage devices” on page 38

.

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5.1.1 Manage sites

Introduction

The

Managed Sites

page allows you to:



Block specific websites (always or for a specific time frame)



Block keywords (always or for a specific time frame)



Mark devices as trusted

When a device is marked as trusted, all

Managed Sites

rules will be ignored.

How to access the

Managed Sites page

1

Browse to the Admin Tool.

For more information, see

“Accessing the Admin Tool” on page 25

.

2

On the left menu, click

Parental Control

.

3

The

Managed Sites

page appears.

4

In the

Enable Managed Sites

list, click

Enable

.

How to block a specific website

Proceed as follows, from the

Managed Sites

page:

1

Under

Blocked Sites

, click

+ ADD

.

2

The

Add Blocked Domain

page appears.

3

In the URL field type the address of the website (for example,

facebook.com

).

4

If you want this rule only to be applied at specific time frames, click

No

in the

Always Block

list and define when to apply

the rule:

a

Under

Set Block Time

, enter a start time and end time

b

Under

Set Block Days

, select the days for which the selected block time should be applied.

5

Click

SAVE

.

If you want to have different time schedules depending on the day, you will have to group these in separate rules:



One rule for weekdays (for example, access to Facebook from 8:00 PM until 10:00 PM)



One rule for the weekend (for example, access to Facebook from 4:00 PM until 10:00 PM).

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DMS-CTC-20130228-0000 v1.0

How to block websites based on keywords

Proceed as follows, from the

Managed Sites

page:

1

Under

Blocked Sites

, click

+ ADD

.

2

The

Add Keyword to be Blocked

page appears.

3

In the

Keyword

box type the keyword that you want to block (for example, the

webmail

keyword will block all URLs that

contain the word

webmail

in the URL).

4

If you want this rule only to be applied at specific time frames, click

No

in the

Always Block

list and define when to apply

the rule:

a

Under

Set Block Time

, enter a start time and end time

b

Under

Set Block Days

, select the days for which the selected block time should be applied.

5

Click

SAVE

.

Mark computers as trusted for all websites

The Gateway will block connections to websites on all untrusted computers, based on the specified rules. If you don't want

restrictions for a particular computer, select

Yes

under

Trusted Computers

.

If you want to have different time schedules depending on the day, you have to group them in separate rules:



One rule for weekdays (for example, rule active from 8:00 PM until 10:00 PM)



One rule for the weekend (for example, rule active from 4:00 PM until 10:00 PM).

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5.1.2 Manage services

Introduction

The

Managed Services

page allows you to:



Create a service rule to block specific Internet services.



Mark computers as trusted. For trusted computer all service rules will be ignored.

How to create a service rule

1

Browse to the Admin Tool.

For more information, see

“Accessing the Admin Tool” on page 25

.

2

On

Parental Control

menu, click

Managed Services

.

3

The

Managed Services

page appears.

4

In the

Enable Managed Services

list, click

Enable

.

5

In the Blocked Services table, click

+ ADD

.

6

The

Add Service to be Blocked

page appears.

7

Complete the following fields:



In the

User Defined Service

box, type a name for the rule (for example, FTP).



In the

Protocol

list, click on the protocol that is used (for example, TCP).



In the

Start Port

box, type the start port of the port range (for example, 21).



In the

End Port

box, type the end port of the port range. If the service only uses one port, enter the same value as in

the

Start Port

box (for example, 21).

8

If you want this rule only to be applied at specific time frames, click

No

in the

Always Block

list and define when to apply

the rule:

a

Under

Set Block Time

, enter a start time and end time

b

Under

Set Block Days

, select the days for which the selected block time should be applied.

9

Click

SAVE

.

Mark computers as trusted for all services

The Gateway will block connections to websites on all untrusted computers, based on the specified rules. If you don't want

restrictions for a particular computer, select

Yes

under

Trusted Computers

.

Optionally, you can provide a time schedule for a rule. The rule will only be activated within the specified time

frame.

If the port range is not a contiguous range of numbers, you have to spread them over multiple service rules.

If you want to have different time schedules depending on the day, you have to group them in separate rules:



One rule for weekdays (for example, block the service from 10:00 PM until 8:00 PM)



One rule for the weekend (for example, block the service from 10:00 PM until 8:00AM).