Kaufman, Charlie. <br/><br/>
Network security : private communication in a public world  
Charlie Kaufman, Radia Perlman, Mike Speciner. 
 - 2nd ed. 
 - Delhi :  Pearson Education,  c2002. 
 - xxvi, 713 p. :  ill. ;  25 cm. 
 - Prentice Hall series in computer networking and distributed systems .
<br/><br/> Indian print 8178087901 
<br/><br/><label>ISBN: </label>0130460192 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security.<br/>Computers--Access control.<br/>Electronic data processing departments--Security measures.<br/>Computer networks--Security measures.
<br/><br/><label>Dewey Class. No.: </label>005.820