ZyXEL Communications VMG1312-B Manual Do Utilizador
Chapter 15 Firewall
VMG1312-B Series 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.
list of the configured incoming or outgoing filtering rules.
Figure 103
Security > Firewall > Access Control
Table 74
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.
the drop-down list box. Select Other to be able to enter a protocol number.
Source/
Destination Port
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.
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.
service.
Protocol
Number
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
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.
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.
your customized port.
Service
Description
Description
Enter a description for your customized port.
Apply
Click Apply to save your changes.
Cancel
Click Cancel to exit this screen without saving.