Vacca, John R. <br/><br/>
Firewalls  : jumpstart for network and systems administrators 
by John R Vacca and Scott R Ellis. 
 - Burigton  Cima Publishing  2006. 
 - 416p 
<br/><br/><label>ISBN: </label>9788131203408 8131203409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer programming <br/>Programs <br/>Data <br/>Data security <br/>Computer networks <br/>Network security <br/>Firewalls
<br/><br/><label>Dewey Class. No.: </label>005.8  / VAC