ZyXEL Communications NBG-419N User Manual page 142

Chapter 19 Firewall
Table 65 Security > Firewall > Services
LABEL
Enable Firewall
Rule
Apply
Add Firewall Rule
Service Name
MAC Address
Dest IP Address
Source IP Address Enter the IP address of the computer that initializes traffic for the application or
Protocol
Dest Port Range
Source Port
Range
Add Rule
Firewall Rule
#
Service Name
MAC Address
Dest IP Address
Source IP Address This is the IP address of the computer from which traffic for the application or
Protocol
Dest Port Range
Source Port
Range
Action
Delete
Reset
See Appendix E on page 251
142
DESCRIPTION
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 MAC address of the computer for which the firewall rule applies.
Enter the IP address of the computer to which traffic for the application or
service is entering.
The NBG-419N applies the firewall rule to traffic initiating from this computer.
service.
The NBG-419N applies the firewall rule to traffic initiating from this computer.
Select the protocol (TCP, UDP, ICMP or None) used to transport the packets for
which you want to apply the firewall rule.
Enter the port number/range of the destination that define the traffic type, for
example TCP port 80 defines web traffic.
Enter the port number/range of the source that define the traffic type, for
example TCP port 80 defines web traffic.
Click Add to save the firewall rule.
This is your firewall rule number. The ordering of your rules is important as rules
are applied in turn.
This is a name that identifies or describes the firewall rule.
This is the MAC address of the computer for which the firewall rule applies.
This is the IP address of the computer to which traffic for the application or
service is entering.
service is initialized.
This is the protocol (TCP, UDP, ICMP or None) used to transport the packets for
which you want to apply the firewall rule.
This is the port number/range of the destination that define the traffic type, for
example TCP port 80 defines web traffic.
This is the port number/range of the source that define the traffic type, for
example TCP port 80 defines web traffic.
Drop - Traffic matching the conditions of the firewall rule are stopped.
Click this to remove the firewall rule.
Click Reset to start configuring this screen again.
for commonly used services and port numbers.
NBG-419N User's Guide