Example Firewall Rule; Table 16-2 Creating/Editing A Custom Port - ZyXEL Communications Prestige 202H User Manual

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The next table describes the fields in this screen.
FIELD
Service Name
Enter a unique name for your custom port.
Service Type
Choose the IP port (TCP, UDP or TCP/UDP) that defines your
customized port from the drop down list box.
Port Configuration
Type
Click Single to specify one port only or Range to specify a span
of ports that define your customized service.
Port Number
Enter a single port number or the range of port numbers that
define your customized service.
Click Back to return to the previous screen. When you have finished, click Apply to save your customized
settings and exit this screen, Cancel to return to the previously saved settings, Delete to remove this
customized service. Click the Help icon for field descriptions.

16.3 Example Firewall Rule

The following are some Internet firewall rule examples that allow DHCP negotiation between the ISP and the
Prestige and allow a syslog connection from the Internet. Follow the procedure shown next to first configure
a custom port.
Step 1.
Click Rule Summary under Internet to Local Network Set.
Step 2.
Click a rule number to open the edit rule screen.
Step 3.
Click Any in the Source Address box and then click ScrDelete.
Step 4.
Click ScrAdd to open the Rule IP Config screen. Configure it as follows and click Apply.
Customized Services

Table 16-2 Creating/Editing A Custom Port

DESCRIPTION
Prestige 202H User's Guide
EXAMPLE
TCP/UDP
Single
Range
16-3

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