Vacca, John R. <br/><br/>
Practical internet security / 
by John R. Vacca 
 - New York :  Springer,  c2007 
 - 536 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>038740533X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet--Security measures<br/>Computer networks--Security measures