Stewart, James Michael, <br/><br/>
Network security, firewalls, and VPNs / 
J. Michael Stewart, Denise Kinsey. 
 - Third edition. 
 - xxiii, 481 pages ;  24 cm 
<br/><br/>Includes bibliographical references (pages 463-467) and index. 
<br/><br/><label>ISBN: </label>9781284183658 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Firewalls (Computer security)<br/>Computer networks--Security measures.
<br/><br/><label>Dewey Class. No.: </label>005.8  / STN 2021