Cisco Systems OL-6426-02 manual Apply Access Lists and Inspection Rules to Interfaces

Chapter 8 Configuring a Simple Firewall

Apply Access Lists and Inspection Rules to Interfaces

BETA DRAFT - CISCO CONFIDENTIAL

Apply Access Lists and Inspection Rules to Interfaces

Perform these steps to apply the ACLs and inspection rules to the network interfaces, beginning in global configuration mode:

	Command	Purpose
Step 1
	interface type number	Enters interface configuration mode for the
		inside network interface on your router.
	Example:
	Router(config)# interface vlan 1
	Router(config-if)#
Step 2
	ip inspect inspection-name{in out}	Assigns the set of firewall inspection rules to the
		inside interface on the router.
	Example:
	Router(config-if)#ip inspect firewall in
	Router(config-if)#
Step 3
	exit	Returns to global configuration mode.
	Example:
	Router(config-if)# exit
	Router(config)#
Step 4
	interface type number	Enters interface configuration mode for the
		outside network interface on your router.
	Example:
	Router(config)# interface fastethernet 0
	Router(config-if)#
Step 5
	ip access-group{access-list-number	Assigns the defined ACLs to the outside
	access-list-name} {in out}	interface on the router.
	Example:
	Router(config-if)#ip access-group 103 in
	Router(config-if)#
Step 6
	exit	Returns to global configuration mode.
	Example:
	Router(config-if)# exit
	Router(config)#

Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide

8-4 OL-6426-02