ZyXEL Communications FMG3025-D10A User Manual

Chapter 13 Firewall

FMG3024-D10A / FMG3025-D10A Series User’s Guide

Use this screen to configure a service that you want to use in an ACL rule in the Security > 
Firewall > Access Control > Add New ACL Rule/Edit screen. To access this screen, click 
Security > Firewall > Services and then the Add New Service Entry button.

Security > Firewall > Services > Add New Service Entry

Each field is described in the following table.

Click Security > Firewall > Access Control to display the following screen. This screen displays a 
list of the configured incoming or outgoing filtering rules. 

Security > Firewall > Access Control

Security > Firewall > Services > Add New Service Entry

Name

Type a descriptive name for the service.

Type

Select the protocol type (TCP, UDP or ICMP or Others) of the service.

Protocol 
Number

Enter the protocol number of the service type.

Source Port, 
Destination 
Port

The source port defines from which port number(s) the service traffic is sent. The 
destination port defines the port number(s) the destination hosts use to receive the service 
traffic.

Select Single if the service uses one and only one source or destination port, then enter the 
port number.

Select Multiple if the service uses two or more source or destination ports, then enter a 
port range. For example, suppose you want to define the Gnutella service. Select TCP type 
and enter a port range of 6345-6349.

Apply

Click Apply to save your changes.

Back

Click Back to exit this screen without saving your changes.