My Service Firewall Rule Example; Figure 165 My Service Firewall Rule Example: Service; Table 75 Security > Firewall > Service > Add - ZyXEL Communications ZyXEL ZyWALL 2WG User Manual

Chapter 11 Firewall
The following table describes the labels in this screen.
Table 75 SECURITY > FIREWALL > Service > Add
LABEL
Service Name
IP Protocol
Port Range
Type/Code
Apply
Cancel

11.14 My Service Firewall Rule Example

The following Internet firewall rule example allows a hypothetical My Service connection
from the Internet.
1 In the Service screen, click Add to open the Edit Custom Service screen.

Figure 165 My Service Firewall Rule Example: Service

2 Configure it as follows and click Apply.
266
DESCRIPTION
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.
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.
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.
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.
Click Apply to save your customized settings and exit this screen.
Click Cancel to exit this screen without saving.
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