Maiwald, Eric. <br/><br/>
Network security :  a beginner's guide / 
by Maiwald, Eric. 
 - 2nd. 
 - New Delhi :  Tata McGraw-Hill,  2003. 
 - xvii, 475pages :  illustrations. 
 - (Essental Skills - Made Easy) .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070582416 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Networks ---Security measures--Computer security.<br/>Computer networks--Security measures--Computer security.