56

Configuring the Advanced Settings

Setting up access control to the Internet

The

Access Control

function allows you to block access to various Internet services for

one or more PCs. You can limit these blocks to certain days and hours with

Schedule

Rules

.

ì

Select

Access Control

in the

Advanced Settings

–

Internet

–

Firewall

menu.

ì

Activate the

Access Control

function via the option

On

.

57

Configuring the Advanced Settings

You have the following setting options for

Access Control

:

Access Rules

You can limit access to the Internet for all or for certain clients in your local network. You

can assign a

Schedule rule

to each access rule and allow or block access to URLs and

services.

ì

Click on

Edit

to create an access rule.

ì

Select the

Access rule type

from the list:

–

Apply to all clients

: The rule applies to all PCs in your network.

–

Specify IP address range

: You select the PCs to which the rule is to apply by

entering an IP address block.

–

Specify IP address

or

Specify MAC address

: The rule applies to a PC you select

via the IP address or MAC address.

ì

Select a

Schedule rule

: The default setting is

Always

. You can create more

Schedule Rules

in the

Access Control

field (see page 59).

ì

Enter a name for the

Comment

of the access rule.

ì

Enter a name for the access rule in the Comment field.

ì

Define the

Access level

.

You can apply

Deny access to the Internet

,

Allow web browsing with URL filter

,

Allow web browsing

or make user-defined settings.

If you select the option

Allow web browsing with URL filter

, you must define the

URL filter (see page 59).

If you select

Custom

, you have the following options:

58

Configuring the Advanced Settings

–

In

Filtering mode

, determine whether the services you select are to be allowed

or blocked.

–

Select the

Services

you wish to allow or block.

Select the

Protocol

and enter the appropriate

Port

(a single port number,

several individual port numbers separated by commas, port blocks consisting

of two port numbers separated by a dash, or any combination of these,

e.g.

80,90-140,180

). The displayed

Comment

assists you to identify different

services.

–

Activate the

Filter

option to use the service concerned for the service filter.

–

You can also select services from the

Predefined applications

list.

–

Click on

Delete

to delete an entry. Click on

Add

to create a new entry with the

entered data or for the selected, predefined application.

ì

Click

OK

to apply the settings.

59

Configuring the Advanced Settings

Schedule Rules

If you have set up an access rule (see page 57) for certain services in the Internet. you

can control it by means of a schedule rule. A schedule rule determines the period for

which a defined access control is active.

You can define several rules. A rule takes effect when you select

Access Rules

in the

menu and activate it.

ì

In the

Access Control

field under

Schedule Rules

, click on

Edit

.

ì

Assign a name to the new rule under

Comment

. This name will then appear in the

selection list on the screen for the menu entry

Access Rules

.

ì

Click on

Add

to define a new rule.

ì

Select the day of the week from the list or else the option

Every day

.

ì

Enter the time for the rule to

Begin

and

End

.

ì

Click

OK

to apply the settings.

URL filter

The URL filter allows you to block access to certain Internet sites or Internet domains or

to limit access to certain Internet sites. Once you have entered the relevant URLs you can

then create access rules that apply the URL filter for the selected clients in your network.

ì

In the

Advanced Settings

–

Internet

–

Firewall

menu, select

Access Control.

60

Configuring the Advanced Settings

ì

Select

Filtering mode

, i.e. whether you wish to allow or block access to the URLs in

the list.

ì

Enter the required URL in the field.

ì

Click on

Delete

to delete an entry. Click on

Add

to create a new entry.

ì

Click

OK

to apply the settings.