Rufi, Antoon W. <br/><br/>
Network security 1 and 2; companion guide 
by Antoon W. Rufi  
 - Indiana   Cisco Press  2007 
 - xxxiv, 805 pages; 24 cm. 
<br/><br/> includes appendix, glossary and index  
<br/><br/><label>ISBN: </label>1-58713-162-5 
<br/><br/><label>Dewey Class. No.: </label>005.8/R83/2007