Pohlmann, Norbert. <br/><br/>
Firewall architecture for the enterprise  
Norbert Pohlmann and Tim Crothers. 
 - New York, NY :  Wiley Pub.,  c2002. 
 - xxi, 481 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>076454926X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Firewalls (Computer security)<br/>Computer networks--Security measures.<br/>Computer network architectures.