Stallings, William. <br/><br/>
Network security esentials :  applications and standards. 

 - Delhi :  Pearson Educ.,  2011. 
 - 431 p. 
<br/><br/><label>ISBN: </label>0137067925 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.
<br/><br/><label>LC Class. No.: </label>TK5105.59  / .S63