Stallings, William. <br/><br/>
Network security essentials :  applications and standards / 
William Stallings. 
 - 5th ed. 
 - Boston :  Pearson,  2014. 
 - 445 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780273793366 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Computer security.