Tibbs, Richard W <br/><br/>
Security : firewalls and VPNS principles and practices 

 -  Prentice Hall  2006 
 - xii : 442  ill  23 cm 
<br/><br/><label>ISBN: </label>0131547313 
<br/><br/><label>Subjects--Topical Terms: </label><br/>KARYA AM