Stallings, William. <br/><br/>
Network security essentials : (E-Book)  applications and standards / 
William Stallings 
 - 4. ed. 
 - Boston :  Prentice Hall,  cop. 2011 
 - xiv, 417 s. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0136108059 (alk. paper) 9780136108054 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Computer security.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>E-Book
<br/><br/><label>Dewey Class. No.: </label>005.8