ZyXEL Communications P-660HW-Tx v3 User Manual page 185

Chapter 9 Firewalls
12 Configure other settings in Schedule. Click Apply when you are done.
Firewall Example: Edit Rule: Select Customized Services
On completing the configuration procedure, the Rules screen should look like the
following.
The firewall rule allows a Telnet connection from WAN IP 2.2.2.2 to IP addresses
192.168.1.1 through 192.168.1.254.
Firewall Example: Rules: MyService-Telnet Connection
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P-660HW-Tx v3 User's Guide