Stallings, William. <br/><br/>
Network security essentials  applications and standards 
William Stallings. 
 - 4th 
 - Delhi  Pearson Education  2011. 
 - xiv, 417 p.  ill.  24 cm. 
<br/><br/>Includes bibliographical references (p. [381]-387) and index. 
<br/><br/><label>ISBN: </label>9788131761755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Computer security.
<br/><br/><label>Dewey Class. No.: </label>005.8