Maiwald, Eric,  <br/><br/>
Network security :   a beginner's guide 

 - 3rd ed. 
 - xxii, 311 pages :   illustrations ;   23 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780071795708 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security. ; Computer networks - Security measures.
<br/><br/><label>Dewey Class. No.: </label>005.8