ZyXEL Communications Vantage CNM 2.3 User Manual page 136

Chapter 6 Device Security Settings
screen as shown next. Use this screen to configure a custom service entry not is
not predefined in the device.
Figure 55 Device Operation > Device Configuration > Security > Firewall > Service >
Add/Edit
The following table describes the labels in this screen.
Table 48 Device Operation > Device Configuration > Security > Firewall > Service >
Add/Edit
LABEL
Service Name
IP Protocol
Port Range
Type/Code
Custom Protocol
Apply
Cancel
136
DESCRIPTION
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.
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.
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.
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.
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.
Click this to save your customized settings and exit this screen.
Click this to exit this screen without saving.
Vantage CNM User's Guide