Lockhart, Andrew. <br/><br/>
Network security hacks :  tips & tools for protecting your privacy / 
Andrew Lockhart. 
 - 2nd  ed. 
 - Sebastopol, CA. :  O'Reilly,  2007. 
 - xx, 455  p. 
<br/><br/><label>ISBN: </label>0596527631 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet--Security measures.<br/>Computer security.