ZyXEL Communications VSG1435-B101 - V1.10, Manual

Page: 223 / 412

Chapter 16 Firewall
VSG1435-B101 Series User’s Guide
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16.3.1 Add a Protocol
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 in the Protocol screen to
display the following screen.
Figure 95 Security Settings > Firewall > Protocol > Add
The following table describes the labels in this screen.
Table 67 Security Settings > Firewall > Protocol > Add
LABEL DESCRIPTION
Add Protocol
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.