Vacca, John R. <br/><br/>
Firewalls  jumpstart for network and systems administrators 
John R. Vacca, Scott R. Ellis. 
 - New Delhi  Elsevier  c2005. 
 - xxx, 416p.; 24cm. 
<br/><br/><label>ISBN: </label>8131203409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Burglary protection; Computer security; Electronic security systems.
<br/><br/><label>Dewey Class. No.: </label>005.8  / V11F