McNab, Chris. <br/><br/>
Network security assessment / 

 - California,  O'Reilly,  c2004. 
 - xxi, 371p. ;  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>059600611x 
<br/><br/><label>Dewey Class. No.: </label>005.8