ZyXEL Communications Corporation VSG1435B101 Manuel D’Utilisation

 Chapter 16 Firewall

VSG1435-B101 Series User’s Guide

Use this screen to add a customized service rule that you can use in the firewall’s 
ACL rule configuration. Click Add New Protocol Entry in the Protocol screen to 
display the following screen.

Figure 95   Security Settings > Firewall > Protocol > Add

The following table describes the labels in this screen.

Table 67   Security Settings > Firewall > Protocol > Add

Add Protocol
Protocol

Choose the IP protocol (TCP, UDP, ICMP, or Other) that defines your 
customized port from the drop-down list box. Select Other to be able to 
enter a protocol number.

Source/
Destination 
Port

These fields are displayed if you select TCP or UDP as the IP port. 

Select Single to specify one port only or Range to specify a span of ports 
that define your customized service. If you select Any, the service is 
applied to all ports.

Type a single port number or the range of port numbers that define your 
customized service.

Protocol 
Number

This field is displayed if you select Other as the protocol.

Enter the protocol number of your customized port. 

Add

Click this to add the protocol to the Rule List below.

Rule List
Protocol

This is the IP port (TCP, UDP, ICMP, or Other) that defines your 
customized port.