@book{39772,
	author = {Hucaby, David and Firewalls (Computer security) and Cisco Systems, Inc},
	title = {Cisco ASA. PIX, and FWSM firewall handbook  /},
	publisher = {Cisco Press ,},
	year = {2008},
	address = {Indianapolis :},
	edition = {2nd ed.},
	note = {Includes index}
}