ZyXEL Communications VMG4325-B10A, User Manual

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Chapter 15 Firewall
VMG4380-B10A / VMG4325-B10A User’s Guide
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The following table describes the labels in this screen.
15.4 The Access Control Screen
Click Security > Firewall > Access Control to display the following screen. This screen displays a
list of the configured incoming or outgoing filtering rules.
Figure 106
Security > Firewall > Access Control
Table 77
Service: Add/Edit
LABEL DESCRIPTION
Protocol Choose the IP protocol (TCP, UDP, ICMP, or Other) that defines your customized port from
the drop-down list box. Select Other to be able to enter a protocol number.
Source/
Destination Port These fields are displayed if you select TCP or UDP as the IP port.
Select Single to specify one port only or Range to specify a span of ports that define your
customized service. If you select Any, the service is applied to all ports.
Type a single port number or the range of port numbers that define your customized
service.
Protocol
Number This field is displayed if you select Other as the protocol.
Enter the protocol number of your customized port.
Add Click this to add the protocol to the Rule List below.
Rule List
Protocol This is the IP port (TCP, UDP, ICMP, or Other) that defines your customized port.
Ports/Protocol
Number For TCP, UDP, ICMP, or TCP/UDP protocol rules this shows the port number or range that
defines the custom service. For other IP protocol rules this shows the protocol number.
Modify Click the Delete icon to remove the rule.
Service Name Enter a unique name (up to 32 printable English keyboard characters, including spaces) for
your customized port.
Service
Description Enter a description for your customized port.
Apply Click Apply to save your changes.
Cancel Click Cancel to exit this screen without saving.