Stewart, J. Michael <br/><br/>
Network security, firewalls, and VPNs / 

 - Sudbury, Mass. :   Jones and Bartlett Learning,   c2011. 
 - xiv,   482 p. : ill. ;   24 cm. 
<br/><br/>Includes bibliographical references and index.<br/> 
<br/><br/><label>ISBN: </label>9780763791308 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Firewalls (Computer security). <br/>2. Computer networks-Security measures.
<br/><br/><label>Dewey Class. No.: </label>Circ. 005.8 S851 2011