ZyXEL Communications vantage cnm ユーザーズマニュアル

Chapter 6 Device Security Settings

Vantage CNM User’s Guide

Figure 57   Device Operation > Device Configuration > Security > Firewall > Service > Add/

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The following table describes the labels in this screen.

This section shows you how to configure the VPN screens. These screens may vary depending 
on which model you’re configuring. Please see the device’s User’s Guide for more 
information about any of these screens or fields.

Table 48   Device Operation > Device Configuration > Security > Firewall > Service > Add/

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Service Name

Enter a descriptive name of up to 31 printable ASCII characters (except 

Extended ASCII characters) for the custom service. You cannot use the left 

parentheses “(“. Spaces are allowed. 

IP Protocol

Choose the IP protocol (TCP, UDP, TCP/UDP, ICMP or Custom) that defines 

your customized service from the drop down list box.
If you select Custom, specify the protocol’s number. For example, ICMP is 1, 

TCP is 6, UDP is 17 and so on.

Port Range

This field is available only when you select TCP/UDP, TCP, or UDP in the IP 

Protocol field.
Enter the port number (from 1 to 255) that defines the customized service
To specify one port only, enter the port number in the From field and enter it 

again in the To field.
To specify a span of ports, enter the first port in the From field and enter the last 

port in the To field. 

Type/Code

This field is available only when you select ICMP in the IP Protocol field.
The ICMP messages are identified by their types and in some cases codes. 
Enter the type number in the Type field and select the Code radio button and 

enter the code number if any.

Custom Protocol

This field is available only when you select Custom in the IP Protocol field.
Specify the protocol’s number. For example, ICMP is 1, TCP is 6, UDP is 17 and 

so on.

Apply

Click Apply to save your customized settings and exit this screen.

Cancel

Click Cancel to exit this screen without saving.