ZyXEL Communications PMG2006-T20A, User Manual

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Chapter 12 Firewall
PMG2006-T20A User’s Guide
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The following table describes the labels in this screen.
12.3.1 Add/Edit a Service
Use this screen to add a customized service rule that you can use in the firewall’s ACL rule configuration.
Click
Add New Protocol Entry or the edit icon next to an existing service rule in the Protocol screen to
display the following screen.
Figure 63 Security > Firewall > Protocol: Add/Edit
The following table describes the labels in this screen.
Table 44 Security > Firewall > Protocol
LABEL DESCRIPTION
Add New
Protocol Entry Click this to add a new service.
Name This is the name of your customized service.
Description This is the description of your customized service.
Ports/Protocol
Number This shows the IP protocol ( TCP , UDP , ICMP , or TCP/UDP ) and the port number or range of ports
that defines your customized service. Other and the protocol number displays if the service uses
another IP protocol.
Modify Click the Edit icon to edit the entry.
Click the Delete icon to remove this entry. Also, corresponding ACL rules will be removed when a
protocol rule is deleted.
Table 45 Security > Firewall > Protocol: Add/Edit
LABEL DESCRIPTION
Service Name Enter a unique name (up to 32 printable English keyboard characters, including spaces) for your
customized port.
Description Enter a description for your customized port.
Protocol Choose the IP protocol ( TCP , UDP , ICMP , ICMPv6 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.