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Chapter 20 Firewall

Table 70 Security > Firewall > Services (continued)

LABEL	DESCRIPTION
Enable Firewall Rule
Enable Firewall	Select this check box to activate the firewall rules that you define (see Add Firewall Rule
Rule	below)
Apply	Click Apply to save the settings.
Add Firewall Rule
Service Name	Enter a name that identifies or describes the firewall rule.
MAC Address	Enter the MAC address of the computer for which the firewall rule applies.
Dest IP Address	Enter the IP address of the computer to which traffic for the application or service is
	entering.
	The Router applies the firewall rule to traffic initiating from this computer.
Source IP	Enter the IP address of the computer that initializes traffic for the application or service.
Address	The Router applies the firewall rule to traffic initiating from this computer.
Protocol	Select the protocol (TCP, UDP, ICMP or None) used to transport the packets for which you
	want to apply the firewall rule.
Dest Port	Enter the port number/range of the destination that define the traffic type, for example TCP
Range	port 80 defines web traffic.
Source Port	Enter the port number/range of the source that define the traffic type, for example TCP port
Range	80 defines web traffic.
Add Rule	Click Add to save the firewall rule.
Firewall Rule
#	This is your firewall rule number. The ordering of your rules is important as rules are applied
	in turn.
Service Name	This is a name that identifies or describes the firewall rule.
MAC Address	This is the MAC address of the computer for which the firewall rule applies.
Dest IP Address	This is the IP address of the computer to which traffic for the application or service is
	entering.
Source IP	This is the IP address of the computer from which traffic for the application or service is
Address	initialized.
Protocol	This is the protocol (TCP, UDP, ICMP or None) used to transport the packets for which you
	want to apply the firewall rule.
Dest Port	This is the port number/range of the destination that define the traffic type, for example
Range	TCP port 80 defines web traffic.
Source Port	This is the port number/range of the source that define the traffic type, for example TCP
Range	port 80 defines web traffic.
Action	Drop - Traffic matching the conditions of the firewall rule are stopped.
Delete	Click this to remove the firewall rule.
Reset	Click Reset to start configuring this screen again.

See Appendix E on page 261 for commonly used services and port numbers.

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	NBG-419N v2 User’s Guide