Chapter 9 Firewalls
9.3.2 Customized ServicesConfigure 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 373 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.
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. |
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Name | This is the name of your customized service. |
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Protocol | This shows the IP protocol (TCP, UDP or TCP/UDP) that defines your customized |
| service. |
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Port | This is the port number or range that defines your customized service. |
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Back | Click this to return to the Firewall Edit Rule screen. |
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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.
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