ZyXEL Communications NBG410W3G Series User Manual

 Chapter 9 Firewall

NBG410W3G Series User’s Guide

The following table describes the labels in this screen.  

Click SECURITY > FIREWALL > Service > Add to display the following screen. Use this 
screen to configure a custom service entry not is not predefined in the ZyXEL Device. See 

 the user’s guide appendices for a list of commonly used services and 

port numbers.   
See 

 for more information about the firewall.

Figure 109   Firewall Edit Custom Service

Table 47   SECURITY > FIREWALL > Service

Custom Service

This table shows all configured custom services.

#

This is the index number of the custom service.

Service Name

This is the name of the service.

Protocol

This is the IP protocol type.
If you selected Custom, this is the IP protocol value you entered.

Attribute

This is the IP port number or ICMP type and code that defines the service.

Modify

Click the edit icon to go to the screen where you can edit the service.
Click the delete icon to remove an existing service. A window displays asking you 

to confirm that you want to delete the service. Note that subsequent services 

move up by one when you take this action.

Add

Click this button to bring up the screen that you use to configure a new custom 

service that is not in the predefined list of services.

Predefined 

Service

This table shows all the services that are already configured for use in firewall 

rules. See 

 for a list of common services.

#

This is the index number of the predefined service.

Service Name

This is the name of the service.

Protocol

This is the IP protocol type. There may be more than one IP protocol type.

Attribute

This is the IP port number or ICMP type and code that defines the service.