ZyXEL Communications wireless n gigabit netusb router Range, Range, Action, Delete, Cancel, Cancel, Dest IP, Protocol, Add Rule, Protocol, Source IP, Source Port, Source Port, Service Name, Firewall Rule

	Chapter 24 Firewall
Table 76 Security > Firewall > Services (continued)
LABEL	DESCRIPTION
Protocol	Select the protocol (ALL,TCP, UDP or BOTH) used to transport the packets for
	which you want to apply the firewall rule.
Dest Port Range	Enter the port number/range of the destination that define the traffic type, for
	example TCP port 80 defines web traffic.
Source Port	Enter the port number/range of the source that define the traffic type, for
Range	example TCP port 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.
Dest IP	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 initialized.
Protocol	This is the protocol (ALL,TCP, UDP or BOTH) used to transport the packets for
	which you want to apply the firewall rule.
Dest Port Range	This is the port number/range of the destination that define the traffic type, for
	example TCP port 80 defines web traffic.
Source Port	This is the port number/range of the source that define the traffic type, for
Range	example TCP port 80 defines web traffic.
Action	Drop - Traffic matching the conditions of the firewall rule are stopped.
Delete	Click Delete to remove the firewall rule.
Cancel	Click Cancel to start configuring this screen again.

See Appendix F on page 301 for commonly used services and port numbers.

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NBG4615 User’s Guide