Stallings, William. <br/><br/>
Network security essentials :  applications and standards / 
William Stallings. 
 - Fouth edition 
 - Boston :  Pearson,  2011 
 - 431 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780136108054 (alk. paper) 9780137067923 
<br/><br/><label>LCCN: </label>2010003272 
<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 2011 
<br/><br/><label>Dewey Class. No.: </label>005.8