ZyXEL Communications NBG4615 User Manual page 188

Chapter 24 Firewall
Click Security > Firewall > Services. The screen appears as shown next.
Figure 121 Security > Firewall > Services l
The following table describes the labels in this screen.
Table 76 Security > Firewall > Services
LABEL
LABEL
ICMP
Respond to Ping
on
Apply
Enable Firewall Rule
Enable Firewall
Rule
Apply
Add Firewall Rule
Service Name
Dest IP Address
Source IP Address Enter the IP address of the computer that initializes traffic for the application or
188
DESCRIPTION
DESCRIPTION
Internet Control Message Protocol is a message control and error-reporting
protocol between a host server and a gateway to the Internet. ICMP uses
Internet Protocol (IP) datagrams, but the messages are processed by the TCP/IP
software and directly apparent to the application user.
The NBG4615 will not respond to any incoming Ping requests when Disable is
selected. Select WAN to reply to incoming WAN Ping requests.
Click Apply to save the settings.
Select this check box to activate the firewall rules that you define (see Add
Firewall Rule below).
Click Apply to save the settings.
Enter a name that identifies or describes the firewall rule.
Enter the IP address of the computer to which traffic for the application or
service is entering.
The NBG4615 applies the firewall rule to traffic initiating from this computer.
service.
The NBG4615 applies the firewall rule to traffic initiating from this computer.
NBG4615 User's Guide