Harrington, Jan L. <br/><br/>
Network security : a practical approach 

 - Indian rep. 
 - New Delhi  Elsevier  2011 
 - xv, 365p. ; 24 cm. 
<br/><br/><label>ISBN: </label>9788131202166 
<br/><br/><label>Dewey Class. No.: </label>005.8  / HAR