ZyXEL Communications Prestige 660H Series Manual page 26

Available Service buttons. For a comprehensive list of port numbers and
services, visit the IANA (Internet Assigned Number Authority) web site.
Step 3.
Configure the Source Address and Destination Address for the rule.
The following table describes the labels in this screen.
Prestige 660H Series Compact Guide
Figure 19 Creating/Editing A Firewall Rule
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