Parker, Carey <br/><br/>
Firewalls don't stop dragons :   a step-by-step guide to computer security for non-techies 

 - 3rd ed. 
 - New York  Apress  2019 
 - xxi, 400 p. 
<br/><br/><label>ISBN: </label>9781484247570 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures<br/>Firewalls (Computer security)<br/>World Wide Web--Security measures
<br/><br/><label>Dewey Class. No.: </label>005.8 PAR