SMC Networks SMC7204BRA manual Choosing the appropriate interface for various rule types

Configuring IP Filters and Blocked Protocols

Interface:	This is the interface on the ADSL Barricade on which the rule will
	take effect. See the examples on page 145 for suggestions on
	choosing the appropriate interface for various rule types.
In Interface:	This is the interface from which packets must have been
	forwarded to the interface specified in the previous selection. This
	option is valid only for the outgoing direction.
Log Option:	When [Enable] is selected, a log entry will be created on the
	system each time this rule is invoked. The log entry will include
	the time of the violation, the source address of the computer
	responsible for the violation, the destination IP address, the
	protocol being used, the source and destination ports, and the
	number violations occurring in the previous x minutes. (Logging
	may be helpful when troubleshooting.) This information can also
	be e-mailed to designated administrators. See Configuring
	Firewall Settings on page 131 for instructions.

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