User`s guide

Chapter 9 Firewalls
P-660HN-Fx User’s Guide
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9.3.2 Customized Services
Configure customized services and port numbers not predefined by the ZyXEL Device. For a
comprehensive list of port numbers and services, visit the IANA (Internet Assigned Number
Authority) website. See Appendix E on page 371 for some examples. Click the Edit
Customized Services link while editing a firewall rule to configure a custom service port.
This displays the following screen.
Figure 88 Security > Firewall > Rules: Edit: Edit Customized Services
The following table describes the labels in this screen.
9.3.3 Configuring a Customized Service
Use this screen to add a customized rule or edit an existing rule. Click a rule number in the
Firewall Customized Services screen to display the following screen.
Table 55 Security > Firewall > Rules: Edit: Edit Customized Services
LABEL DESCRIPTION
No. This is the number of your customized port. Click a rule’s number of a service to go to the
Firewall Customized Services Config screen to configure or edit a customized service.
Name This is the name of your customized service.
Protocol This shows the IP protocol (TCP, UDP or TCP/UDP) that defines your customized
service.
Port This is the port number or range that defines your customized service.
Back Click this to return to the Firewall Edit Rule screen.