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| ZyWALL 5/35/70 Series User’s Guide |
| Table 73 Firewall Service | |
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| LABEL | DESCRIPTION |
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| Add | Click this button to bring up the screen that you use to configure a new custom |
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| service that is not in the predefined list of services. |
| Predefined | This table shows all the services that are already configured for use in firewall |
| Service | rules. See Section 11.11.2 on page 229 for more on the services. |
| # | This is the index number of the predefined service. |
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| Service Name | This is the name of the service. |
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| Protocol | This is the IP protocol type. There may be more than one IP protocol type. |
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| Attribute | This is the IP port number or ICMP type and code that defines the service. |
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Configure customized ports for services not predefined by the ZyWALL (see Section 11.11.2 on page 229 for a list of predefined services). For a comprehensive list of port numbers, ICMP type/code numbers and services, visit the IANA (Internet Assigned Number Authority) web site.
Click the Add button under Custom Service to configure a custom service. This displays the following screen.
Figure 103 Firewall Edit Custom Service
The following table describes the labels in this screen.
Table 74 Firewall Edit Custom Service
LABEL | DESCRIPTION |
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Service Name | Enter a unique name for your custom service. |
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IP Protocol | Choose the IP protocol (TCP, UDP, TCP/UDP, ICMP or Custom) that defines |
| your customized service from the drop down list box. |
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. |
Chapter 11 Firewall Screens | 228 |