Stallings, William.  <br/><br/>
Network security essentials :  applications and standards / 
William Stallings.  
 - 5th ed. 
 - Boston :  Pearson,   2014 
 - xiv, 417 p. :   ill.   24 cm. 
<br/><br/>Includes bibliographical references and	index 
<br/><br/><label>ISBN: </label>9780273793366  9780133370430 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks --Security measures.<br/>Computer security
<br/><br/><label>LC Class. No.: </label>TK5105.59   / .S725 2014