Stewart, James Michael. <br/><br/>
Network security firewalls and VPNs / 
 Network security firewalls and virtual private networks. 
J. Michael Stewart. 
 - Sudbury, MA :  Jones & Bartlett Learning,  c2011. 
 - xiv, 482 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 467-470) and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>076379130X 9780763791308 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Firewalls (Computer security)
<br/><br/><label>LC Class. No.: </label>TK5105.59  / .S7585 2011