ZyXEL Communications 2WG 11.14 My Service Firewall Rule Example

Chapter 11 Firewall

The following table describes the labels in this screen.

Table 75 SECURITY > FIREWALL > Service > Add

LABEL	DESCRIPTION
Service Name	Enter a descriptive name of up to 31 printable ASCII characters (except
	Extended ASCII characters) for the custom service. You cannot use the “(“
	character. Spaces are allowed.

IP Protocol	Choose the IP protocol (TCP, UDP, TCP/UDP, ICMP or Custom) that defines
	your customized service from the drop down list box.
	If you select Custom, specify the protocol’s number. For example, ICMP is 1,
	TCP is 6, UDP is 17 and so on.

Port Range	Enter the port number (from 1 to 255) that defines the customized service
	To specify one port only, enter the port number in the From field and enter it
	again in the To field.
	To specify a span of ports, enter the first port in the From field and enter the last
	port in the To field.
Type/Code	This field is available only when you select ICMP in the IP Protocol field.
	The ICMP messages are identified by their types and in some cases codes.
	Enter the type number in the Type field and select the Code radio button and
	enter the code number if any.

Apply	Click Apply to save your customized settings and exit this screen.

Cancel	Click Cancel to exit this screen without saving.

The following Internet firewall rule example allows a hypothetical My Service connection from the Internet.

1In the Service screen, click Add to open the Edit Custom Service screen.

Figure 165 My Service Firewall Rule Example: Service

2Configure it as follows and click Apply.