ZyXEL Communications Centralized Network Management Vantage CNM - Manual (Page 120)

Chapter 6 Device Security Settings
Vantage CNM User’s Guide
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Figure 56 Device Operation > Device Configuration > Security > Firewall > Service > Add/
Edit
The following table describes the labels in this screen.
6.2 VPN
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 46 Device Operation > Device Configuration > Security > Firewall > Service > Add/
Edit
LABEL DESCRIPTION
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.