Prestige 334 User’s Guide

Figure 46 Firewall: Service

The following table describes the labels in this screen.

Table 36 Firewall: Service

LABEL

DESCRIPTION

 

 

Enable Services

Select this check box to enable this feature.

Blocking

 

Available Service

This is a list of pre-defined services (ports) you may prohibit your LAN

 

computers from using. Select the port you want to block using the drop-down list

 

and click Add to add the port to the Blocked Service field.

Blocked Service

This is a list of services (ports) that will be inaccessible to computers on your

 

LAN once you enable service blocking. Choose the IP port (TCP, UDP or TCP/

 

UDP) that defines your customized port from the drop down list box.

Custom Port

A custom port is a service that is not available in the pre-defined Available

 

Services list and you must define using the next two fields.

Type

Services are either TCP and/or UDP. Select from either TCP or UDP.

 

 

Port Number

Enter the port number range that defines the service. For example, suppose you

 

want to define the Gnutella service. Select TCP type and enter a port range from

 

6345-6349.

Add

Select a service from the Available Services drop-down list and then click Add

 

to add a service to the Blocked Service.

Delete

Select a service from the Blocked Services List and then click Delete to

 

remove this service from the list.

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Chapter 11 Firewall