Holden, Greg. <br/><br/>
Guide to network defense and countermeasures  [Book] / 
Greg Holden. 
 - Australia; Boston, Mass. :  Course Technology,  c2003. 
 - xxi, 527 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>0619131241 1418836796 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Computer security.
<br/><br/><label>Dewey Class. No.: </label>005.8