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ZyWALL 5/35/70 Series User’s Guide
Chapter 11 Firewall Screens 228
11.11.1 Firewall Edit Custom Service
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.
Add Click this button to bring up the screen that you use to configure a new custom
service that is not in the predefined list of services.
Predefined
Service
This table shows all the services that are already configured for use in firewall
rules. See
Section 11.11.2 on page 229 for more on the services.
# This is the index number of the predefined service.
Service Name This is the name of the service.
Protocol This is the IP protocol type. There may be more than one IP protocol type.
Attribute This is the IP port number or ICMP type and code that defines the service.
Table 73 Firewall Service
LABEL DESCRIPTION
Table 74 Firewall Edit Custom Service
LABEL DESCRIPTION
Service Name Enter a unique name for your custom service.
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.